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20 Best 18650 Battery Spot Welder of 2023 – Romance University

After hours researching and comparing all models on the market, Romance University finds out the Best 18650 Battery Spot Welder of 2023. Check our ranking below.

2,957 Reviews Scanned

Rank No. #1

Docreate Handheld Spot Welder,5000W Portable Mini Spot Welder DIY Kit for Sopts Welding 18650/and Nickel Sheet, Adjustable Battery Welding Soldering Machine with Nickel Strip and Spot Welding Pen

Hight Quality & Durable: The 5000W High power spot welding machine is good performance and long service life. Which is ABS shell material, surface anodizing technology, anti-abrasive and safe to use. The spot welding machine is come with welding pen with good conductivity and low contact resistance.
Portable Design:This mini spot welder equipment is Portable and lightweight, space-saving in home, and you can transport your spot welder to different job locations easily and quickly.
High-Efficiency: The adjustable spot welder can weld thousands of points continuously on nickel sheet after full charge,the solder pins of the adjustable spot welding machine can be removed and replaced, easy installation and operation.
Easy to Operate: The DIY battery spot welder machine is foot switch controls welding, spot welding is more arbitrary. Just press the nickel belt with two soldering pens and step on the foot switch. Wait for about 0.5 seconds for output spot welding,then release the foot switch.suitable for precise welding.
Wide Application & Warranty: The spot welder with large output power can be used to connect nickel strips of 18650 lithium battery, or spot welding iron sheets, stainless steel sheets. And it is also suitable for welding 0.1-0.15mm nickel plated steel sheet and 0.1mm pure nickel sheet quickly. In the process of using the spot welder, please feel free to contact us if you have any quest

Rank No. #2

Spot Welder, Kerpu Mini Spot Welder, Portable Spot Welder Machine, Spot Welding Equipment Energy Storage 5000mAh for DIY 18650 Battery, Portable Battery Welder with Type-C port (Black)

Adjustable 11 gears, more accurate welding and more stability welding. Automatic and manual mode adjustable, easy to operate.
The welding pen is comfortable to use, the length of welding pen is 40cm/16 inches, that makes operation more flexible. It is low resistance oxygen free copper material, welding stability.
Suitable for 18650 and other cylindrical lithium batteries, nickel metal hydride batteries, cadmium nickel batteries can be welded firmly. It can be also used to weld iron, steel, stainless steel sheets with the thickness less than 0.2 mm/ 0.007 inch to other iron, steel, stainless steel materials. With it, save your time and effort.
Our portable spot welders own perfect over-charge, over-discharge, over-temperature etc protection functions and double protection performance.Unique overheating protection device automatically cuts off power when the overheating occurs.
【Our service】In the process of using the spot welder, please feel free to contact us if you have any questions. We will replace or refund for you to ensure that you can have a pleasant shopping experience.

Rank No. #3

Spot Welder,Portable Transistor Mini Spot Welder,LCD Screen Parameter Display,Spot Welding Strip and Lithium Battery, DIY Spot Welder Kit

The controller is mainly for welding 0.1mm to 0.15mm ‑plated steel strip, and the power input adds a 25V10000uF high‑frequency low‑resistance capacitor for energy compensation to increase stability.
Five 300A MOS tubes are driven by imported special chips, and the MOS tubes can be used as fast as 20nS, which can switch quickly to prevent tube explosion.
The controller adopts single chip microcomputer control, accurate output pulse, LCD display screen, can display welding parameters.
The power board uses 2 ounces of copper, and the soldering pen wire and the input wire use 10AWG multi‑wire soft wire to increase the overcurrent capacity.
The controller adopts automatic welding mode, while retaining the manual trigger interface, you can choose according to your own usage.

Rank No. #4

Spot Welder, Kerpu 5000mAh Upgraded LCD Screen Rechargeable Battery Spot Welder, Adjustable 80 Gears Portable Mini Spot Welder, Type-C Intput Spot Welder for 18650 Battery

Upgrade the new LCD screen, with a new color system of sapphire blue, and adjustable 80 Gears, making it very easy to operate.
The welding pen is comfortable to use, the length of welding pen is 40cm/17 inches, that makes operation more flexible. It is low resistance oxygen free copper material, welding stability.
Suitable for 18650 and other cylindrical lithium batteries, nickel metal hydride batteries, cadmium nickel batteries can be welded firmly. It can be also used to weld iron, steel, stainless steel sheets with the thickness less than 0.2 mm/ 0.007 inch to other iron, steel, stainless steel materials. With it, save your time and effort.
Our portable spot welders own perfect over-charge, over-discharge, over-temperature etc protection functions and double protection performance.Unique overheating protection device automatically cuts off power when the overheating occurs.
【Our service】In the process of using the spot welder, please feel free to contact us if you have any questions. We will replace or refund for you to ensure that you can have a pleasant shopping experience.

Rank No. #5

Battery Spot Welder, Kerpu 18650 Spot Welder Machine Pocket Size with 11 Gears Adjustable,50000mAh Rechargeable Battery,2M Nickel Sheet & 4X4 Battery Holder For Making Battery Packs

Pocket-sized mini spot welder: Kerpu mini-size battery spot welder CP01. only half the size of other spot welders, easy to carry. designed for welding nickel strips of cylindrical batteries, NI-MH batteries,18650 nickel-cadmium batteries, etc. built-in 5000mAh rechargeable batteries, you can spot welding your battery anywhere anytime.package included complete accessories, it's a great gift idea for fathers, husbands, male friends, and DIY enthusiasts.
Supports more precise spot welding mode settings: We have optimized and upgraded the product. the battery spot welder support 11 gears adjustment, support automatic modes. making it easy to make battery packs (support welding thickness of less than 0.2mm of iron, steel, and stainless steel sheets). use the equipped power cord to quickly charge the device, and maintain the battery level at 50% every time, to achieve the best welding effect.
Multi-battery application tool: Unlike other plastic shells, our product is made of aluminum alloy, surface anodized, fire-resistant, and drop-resistant.the LED indicator light is very easy to identify the gear adjustment changes, charging status, and battery level changes. easy-to-spot welding cylindrical batteries, NI-MH batteries, and 18650 nickel-cadmium batteries. Note: Do not use too thick nickel foil (such as a thickness than 0.2mm).
Pay attention to the details of the product and the safety of use: CP01 is built in a 5000mAh rechargeable battery, and our product has passed overcharge protection, safety temperature control protection, load detection, and short circuit detection to protect your safety. In addition, when the product temperature exceeds 60 degrees, the device will pause to avoid battery damage and fire.
Equipped with 2M nickel strips and 4 battery brackets: The package includes 1x 5000mAh pocket-sized battery spot welding machine, 2x spot welding pens (line length 30CM + pen head 9CM), 2M nickel-plated foil (L=2m, W=0.9cm, Thickness=0.1mm), 4X4 battery brackets, 1x Metal file, 1x 1M USB to Type-c charging cable. If you have any questions, please feel free to contact us. Your good experience is important to us!

Rank No. #6

Spot Welder Control Board, 6 Gear Adjustable Spot Welding Machine Lithium Battery Control Board Kit DIY 18650/26650 Batteries, Portable Mini Handheld Welder, Spot Welder PCB Circuit Board (100-900A)

✔Powerful Function - Spot Welder Control Board support welding 0.3mm nickel sheet, 6 gears can be adjusted, support welding current 100A-900A.
✔Safe - Intelligent matching, judge whether the power supply can work, prevent damage to the circuit board, simple operation.
✔Wide Range of Applications - 18650/26650/32650 and other cylindrical lithium batteries, nickel-hydrogen batteries, nickel-cadmium batteries, etc. can be welded firmly.
✔Power Selection - Spot Welding Machine Lithium Battery Control Board needs its own power supply, supporting 6.5V-16V power supply, battery discharge current <900A, short circuit current <1800A, beyond the above range may damage the control board.
✔Easy to Use - The product package comes with a small file for maintaining the welding pen, main board of spot welder, full set of accessories. In the process of using the spot welder board, see our pictures for details. You only need to provide battery power to connect our motherboard to DIY 18650 and other batteries.

Rank No. #7

Spot Welder, Docreate 10000mA-h Mini 18650 Battery Spot Welder with LCD Screen, Portable DIY Spot Welding Machine with Spot Welding Pen, Nickel Sheets for Battery Plate Welding and Type-C Charging

Large LCD Visible Color Screen Design: The DIY battery spot welder machine with 1.8 inch visible colorful LCD Screen, you can see the remaining electric quantity, real time voltage, solder joint count, delay time, real-time temperature monitoring of circuit board and high temperature reminder and gear level of the spot welder.
High Quality and Intelligent: The spot welder with spots welding pen is made of multiple strands of high temperature wire with with good conductivity and low contact resistance. Our portable spot welding machine owns perfect over-charge, over-discharge, over-temperature etc protection functions and double protection performance. The unique overheating protection device automatically cuts off power when the overheating occurs.
Built-in 10000Mah Rechargeable Battery: The battery spot welder built in 10000mAh super lager capacity battery design, with type-C fast charging cable, can be fully charged within 3 hours, no need to charge frequently.you can get a longer use time than others.
Wide Application:This DIY spot welding machine is suitable for a variety of scenes. The spot welder can be used for spot weld cylindrical lithium batteries, nickel-metal hydride batteries and 18650/26650/32650 batteries, it also can be used to weld less than 0.3mm to other iron, steel, stainless steel materials.
Easy to Operation & Warranty: The spot welding operation is simple and efficient. Just long press 5s to turn on/turn off the spot welder, and short press 1s to select setting menu.It also with automatic mode,memory function and 5minutes automatic power off function.Making your battery welding work more precise, meticulous and perfect. In the process of using the spot welder, please feel free to contact us if you have any quest

Rank No. #8

Portable Spot Welder mini DIY Spot Welding Machine Handheld 5000mAh 6 Gears for 18650 Battery Pack with Nickel Tape Strip

【Safety Design】With over-charge, over-discharge, over-temperature etc protection functions,this portable spot welder will power off when the overheating occurs or the maachine temperature exceeds 140 °F.
【6 Gear Adjustable Power Levels】 More accurate welding and more stability welding. Automatic and manual mode adjustable, easy to operate.
【Wide Application】Suitable for 18650 and other cylindrical lithium battery packs, nickel metal hydride batteries, cadmium nickel batteries can be welded firmly. It can be also used to weld iron, steel, stainless steel sheets even the thickness less than 0.2 mm/ 0.007 inch to other matel materials.
【Comfortable to Use】The welding pen is comfortable to use, the length of welding pen is 40cm, that makes operation more flexible. It is low resistance oxygen free copper material, welding stability.
【Low Power Consumption】5000mAh large-capacity lithium rechargeable battery built-in, low power consumption,with Type-C fast charging long usage time when full charged. And it can also be used as power bank to charge your phone conveniently.

Rank No. #9

Spot Welder, 11000mAh Battery Spot Welder with LCD Screen, 80 Gears Adjustable Portable Mini Spot Welder With Type-C Port, Nickel Strip and USB Charging Cable for Battery Pack Spot Welding

【Upgraded LCD Screen】The spot welder is made of high-quality aluminum alloy material with an anodized welding machine surface, which is wear-resistant and fireproof to use. Newly upgraded LCD screen can clearly know the system's internal temperature, charging status, remaining battery, gear level, and time interval of the spot battery welder.
【80 Gears Adjustable】This portable spot welder with 80-speed output power adjustable(Coarse and Fine Adjustment Button to Adjust). 1.0-2.9 gears suitable for thin nickel sheet; 3.0-6.5 gears suitable for medium thickness nickel sheet; 6.5-8.0 gears suitable for thick nickel sheet, iron sheet and steel sheet. Very fine adjustments can make the welding more precise and the spot welding effect more perfect.
【11000mAh Power Bank Function 】This portable spot welder, built in 11000mA-h rechargeable polymer lithium battery,can be fully charged within 3-5 hours with 5V/2.1A type c charging port and it can continuously weld thousands of points after fully charged . The battery spot welder can be also used as a power bank for electronic products charging with USB outport .The welding machine will shut off automatically 8 minutes later if without operation.
【40cm Welding Pen & Safe to Use】The gold-plate spot-welding pen consists of multiple strands of high temperature wire,with fine conductivity,torsional resistance ability and low contact resistance,using safely. When the temperature is higher than 60 ℃, our spot welder equipment will automatically stop working to avoid damage to personnel or items. The compact and portable size design is also very easy to carry.
【Wide Application & Warranty】: This DIY spot welding machine is mainly used in the welding of nickel sheet of cylindrical battery, NI-MH battery, nickel cadmium battery like 18650.The best service to our customers is our aim, if you have any questions after purchase, or you want to know more about our products, please feel free to contact us. We will provide you with the best and most satisfactory service.

Rank No. #10

Shkalacar Integrated Type Spot Welding Pen, Automatic Trigger Weld Machine Accessory for 18650 Battery,Blue DIY Battery Spot Welder Pen

Adopt thick copper bar, help enhance the working efficiency, and suitable for long service time.
Integrated design, beautiful and neat, with fine heat radiation effect.Suitable for 18650 battery spot welding machine.
There are dual springs on the handle, each welding pen can expand and contract independently.
Built-in limit switch, one hand operation, do not need foot pedal.
With comfortable hand feelings, can support long time use, stable and reliable, wear resistant and effort saving.

Rank No. #11

U.S. Solid Pure Nickel Strip- 99.6% Nickel for 18650, 0.15x6x50mm Soldering Tab for High Capacity Lithium, Li-Po, NiMh and NiCd Battery Pack Battery and Spot Welding, 50 pcs

PURE NICKEL: The USS-PNS00001 has a Nickel content of 99.6% giving it a pure nickel rating; Pure nickel will never corrode and come loose in high drain application
SOLDERING AND WELDING: Pure Nickel Strips are mainly used in the battery welding and soldering field due to the fact that they can easily be soldered and welded; Pure nickel is widely used in our daily life due to its outstanding oxidation resistance, corrosion resistance, low resistance and high conductivity
18650 BATTERY PACK: A battery pack consists of many Lithium-ion cells; An 18650 battery pack refers to the size of the battery
QUANTITY: This package comes with 50 pieces of 0.15x6x50mm pure nickel strips
SATISFACTION GUARANTEE: Like all U.S. Solid products, our pure nickel strips come with a one year satisfaction guarantee; Please contact our customer support team with any questions or issues that you may have; They will be more than happy to assist you.

SaleRank No. #12

BINGENUO 11000mAh Mini Battery Spot Welder for 18650 with LCD Screen - 80 Gears Portable Handheld DIY Spot Welding Machine with Type C Charging, Power Bank Function, Nickel Sheet

【 𝐋𝐂𝐃 𝐕𝐢𝐬𝐢𝐛𝐥𝐞 𝐒𝐜𝐫𝐞𝐞𝐧 𝐃𝐞𝐬𝐢𝐠𝐧 】- Our mini spot welder for 18650 battery is designed with LCD Screen. You can see the internal system temperature ,welding gears and time interval on the OLED display of the welder.
【 𝐄𝐧𝐡𝐚𝐧𝐜𝐞𝐝 𝐁𝐮𝐢𝐥𝐭-𝐢𝐧 𝟏𝟏𝟎𝟎𝟎m-A𝐡 𝐑𝐞𝐜𝐡𝐚𝐫𝐠𝐞𝐚𝐛𝐥𝐞 𝐁𝐚𝐭𝐭𝐞𝐫𝐲 】- This portable spot welder, built in 11000mA-h rechargeable polymer lithium battery,can be fully charged within 3 hours with 5V/2.1A type c charging port and it can continuously weld thousands of points after fully charged . The battery spot welder can be also used as a power bank for electronic products charging with USB outport .
【 𝟖𝟎 𝐆𝐞𝐚𝐫𝐬 𝐨𝐟 𝐀𝐝𝐣𝐮𝐬𝐭𝐚𝐛𝐥𝐞 𝐎𝐮𝐭𝐩𝐮𝐭 】- This battery spot welder for 1860, with 80 gears precise control output power, can be used to weld different thicknesses of nickel and stainless steel(the maximum output current is up to 650A,support welding 0.1-0.2mm nickel sheet and 0.1-0.15mm stainless steel sheet). The spot welder can be used to weld cylindrical lithium batteries, nickel-metal hydride batteries and cadmium nickel batteries.
【 𝐌𝐮𝐥𝐭𝐢𝐩𝐥𝐞 𝐏𝐫𝐨𝐭𝐞𝐜𝐭𝐢𝐨𝐧 𝐅𝐮𝐧𝐜𝐭𝐢𝐨𝐧𝐬 】- The welding machine,built in temperature control probe, cuts off power automatically when the overheating occurs.Overcurrent protection, low voltage protection, overvoltage protection, and overtemperature protection make it more safe for you to use.
【 𝐄𝐚𝐬𝐲 𝐭𝐨 𝐎𝐩𝐞𝐫𝐚𝐭𝐢𝐨𝐧】- Long press 3s to turn on/turn off the spot welder, short press to cycle to switch 8 gears, all operations can be quickly and conveniently performed, when it is off, it can be standby for up to one year due to low power efficiency. The welding machine will shut off automatically 8 minutes later if without operation.Please refer to our video guidance attched on the listing page

Rank No. #13

Spot Welder, Geevorks Battery Spot Welder 10 Gear Output Power Adjust, 5000W Spot Welding Equipment for Sopts Welding 18650/26650/32650 and 0.1~0.15mm Nickel Sheet

【Strong Power】The power of this lithium batteries spot welder can reach to 5000W, which can provide strong power and improve your work efficiency.
【10-Level Knob Adjustment】10 Level output power knob adjust design, you can adjust the output power by turn the knob, the larger the value, the higher the output. There are ten levels for you to adjust.
【Application】This battery welder is suitable for sopts welding 18650/26650/32650 and other batteries, mobilephone battery welding to nickel, the spots welding thickness is 0.1~0.15mm.
【Digital Tube Display】The digital tube display design allows you to monitor the remaining power of the spot welder battery at any time.
【Easy to Operate】You can put the two welding pens on the nickel sheet, then press the pedal for the red light flashes 3 times quickly so it will output the current to complete the welding.

Rank No. #14

U.S. Solid USS-BSW04 Battery Spot Welder 11.6 KW Capacitor Energy Storage Pulse Welding Machine, Mini Portable Spot Welding Equipment for Cell Phone Battery, 18650 14500 Lithium Battery Pack Building

The newly designed U.S. Solid USS-BSW00004 battery spot welder is equipped with two super capacitors for energy storage and power supply for pulse welding. Compared to a traditional AC spot welder, it does not interfere with the electric circuit, which means no more tripping problems. The machine’s super energy-gathered pulse technology combines with a max welding power of 11.6 KW to provide a reliable welding effect.
The welder’s small size and light weight make it more portable compared to a bulky traditional spot welder. The aluminum alloy housing also provides a more powerful and reliable machine.
Equipped with the 70A separated-style spot welding pen and ‘AT’ automatic welding mode, this machine allows you to work easily and efficiently. The low power consumption technology enables you to use the machine efficiently for 12 hours with no heating problems.
The pulse welding power can be seen on the LED screen and set via two adjusting buttons(0-99 range). 0.2mm nickel plated and 0.15mm pure nickel can be easily welded with the 60 J max energy.
Widely used in battery pack building&maintenance and common metal welding.

Rank No. #15

Spot Welder,Kerpu Enhanced 0.2mm LCD 7500mAh Battery Spot Welder,Adjustable 80 Gears Battery Welder for 18650 Battery,4X4 Holder for Making Battery Packs,Type-C Intput Spot Welder with 5M Nickel Sheet

LCD Display, Operation at a Glance: NEW SPOT WELDER with an LCD screen clearly and completely displays Delay, Gear, and Temperature. The temperature display shows the battery temperature, making it easy for us to see when to rest the spot welding machine. Delay time supports 0.5s unit adjustment. Gear supports 1&0.1 unit adjustment (gear max to 8.0). professional adjustment to meet different use scenarios.
Widely Used: Suitable for 18650 and other cylindrical lithium batteries, nickel metal hydride batteries, cadmium nickel batteries can be welded firmly, repairing mobile phone batteries, as well as repairing electronic devices such as handheld drills, power banks, and other devices containing batteries. It can be also used to weld iron, steel, stainless steel sheets with the thickness less than 0.2 mm/0.007 inch to other iron, steel, stainless steel materials. with it, save your time and effort.
Gear and Mode: Adjustable output power of 80 grades, no need to press, more accurate welding and more stability welding. Automatic easy to operate, press and hold the On/Off key for 2 seconds to start the machine, and then adjust the gear. When two spot welding pens touch the nickel plate at the same time once, it will automatically touch the nickel plate once.Detailed English instruction manual, easier to use.
Multiple protection: Our portable spot welders own perfect over-charge, over-discharge, over-temperature etc protection functions and double protection performance.Unique overheating protection device automatically cuts off power when the overheating occurs. Any operation within 8 minutes in the afternoon will automatically shut down to protect personal safety.
Can be a Decent Gift: the package includes: 1x 7500mAh battery spot-welding machine, 2x spot-welding pen (cable length 30cm+pen head 9cm), 1x5m nickel-plated foil (L=5m, W=1cm, Thickness=0.1mm), 4x4 Battery Holder,1x Metal File,1xType-c charging cable. please feel free to contact us. Your good experience is very important to us!

Rank No. #16

Battery Spot Welder, AWithZ Handheld Spot Welder 11 Gear Adjustable, Automatic and Manual Modes Battery Welder for 18650 Battery, Welding Nickel Sheets, Iron, Stainless Steel (2M Nickel）

NO Spot Welding Pen------No need for a spot welding pen when going out or at home, handheld spot welder that does not require additional spot welding pens, carry it with you and it's convenient to go anywhere. It combines the built-in power supply and welding pen into one, making it easy to weld without the need for an external welding pen.
Widely Used - Suitable for cylindrical batteries such as 18650/26650/36650, mobile phone batteries, and electronic devices that require batteries. Spot welder can be used for electronic devices that have been damaged due to battery damage, replacing the battery and resuming use (similar to handheld electric drills), saving money and protecting the environment.
Easy to Use - ONLY 2 buttons, our spot welder the buttons are labeled,easy to use. The battery spot welder does not need to leave our palm. Press and hold the power switch button on the side for 2 seconds with your middle finger, press the gear adjustment button on the top with your index finger once, and press and hold for 2 seconds to adjust the automatic or manual mode.
11 Adjustable Gears - The spot welding machine has 11 adjustable output power, which can be adjusted according to the different materials you spot weld. 1-3 gear mobile phone battery, 3-6 gear 0.1mm nickel plate, 6-11 gear 0.12-0.15 nickel plate. Charging once can spot weld more than 200 times.
Multiple Protection Measures - It is a mini handheld spot welding machine, but it has high-quality polymer cells, overcharge protection, temperature protection, short circuit protection, abnormal battery temperature alarm and off spot welding function, and low cell voltage alarm. Ultra low power consumption, longer standby time.

Rank No. #17

U.S. Solid Battery Spot Welder Capacitor Energy Storage Pulse Welding Machine, 19.8 KW Mini Portable Spot Welding Equipment with 75A Welding Pen for 18650, LiFePO4 Lithium Battery Pack Building

The newly designed U.S. Solid battery spot welder is equipped with two super capacitors for energy storage and power supply for pulse welding. Compared to a traditional AC spot welder, it does not interfere with the electric circuit, which means no more tripping problems. The machine's super energy-gathered pulse technology combines with a max welding power of 19.8 KW to provide a reliable welding effect.
The machine's small size and light weight make it more portable compared to a bulky traditional spot welder. The well-designed machine craft and aluminum alloy housing also provide a more powerful and reliable machine.
Equipped with the 73B/75A professional welding pen, 73S handle-push welding arm, 'AT/MT' two welding modes and 100-500ms time-delay welding function, this machine enables you to work easily and efficiently. The low power consumption technology enables you to use the machine efficiently for 12 hours with no heating problems.
The pulse welding power is shown on the LED screen and set via two adjusting buttons(0-99 range). 0.45mm nickel plated and 0.4mm pure nickel can be easily welded with the 420 J max energy.
Widely used in battery pack building&maintenance and common metal welding. This new model can be especially used for directly welding 0.2mm pure nickel to the aluminum terminals of LiFePO4, LiPo, offering you a low-cost 'AL-NI' battery pack welding solution.

Rank No. #18

GLITTER 801A Battery Spot Welder Capacitor Energy Storage Pulse Welding Machine, 11.6 KW Mini Portable Spot Welding Equipment with 70A Welding Pen for 18650, 14500 Lithium Battery Pack Building

The newly designed GLITTER battery spot welder is equipped with two super capacitors for energy storage and power supply for pulse welding. Compared to a traditional AC spot welder, it does not interfere with the electric circuit, which means no more tripping problems. The machine’s super energy-gathered pulse technology combines with a max welding power of 11.6 KW to provide a reliable welding effect.
The welder’s small size and light weight make it more portable compared to a bulky traditional spot welder. The aluminum alloy housing also provides a more powerful and reliable machine.
Equipped with the 70A separated-style spot welding pen and ‘AT’ automatic welding mode, this machine allows you to work easily and efficiently. The low power consumption technology enables you to use the machine efficiently for 12 hours with no heating problems.
The pulse welding power can be seen on the LED screen and set via two adjusting buttons(0-99 range). 0.2mm nickel plated and 0.15mm pure nickel can be easily welded with the 60 J max energy.
Widely used in battery pack building&maintenance and common metal welding.

Rank No. #19

Portable Spot Welder, USB-Charging Upgraded Mini Spot Welder, Adjustable Gears Spot Welding Machine, Battery Spot Welder with Welding Pen, 5M Nickel Sheet, Type-C Fast Charging DIY 18650 Spot Welder

✔Multi-purpose - The spot welder can be used to spot weld cylindrical lithium batteries, nickel-metal hydride batteries and 18650/26650/32650 batteries such as cadmium-nickel batteries, and our mobile phone batteries can also be spot welded.
✔Adjustable Gears - The spot welding machine has 6 gears that can be adjusted. Different gears are used for different materials. The spot welding materials can be nickel, iron, stainless steel, aluminum, etc. 0.1-0.2 mm in thickness material.
✔Large Capacity - The spot welder has a large capacity of 7500 mAh, built-in rechargeable 2 electric power lithium batteries, discharge current >650A, environmentally friendly. Type-C 2A input, it can be fully charged in about 3 hours. We can also use it to charge our other devices.
✔Welding Pen - The terminal of the welding pen is gold-plated, which can pass a higher current. The 7mm spot welding special red copper has ultra-low resistance and anti-oxidation. The welding pen has a length of 40cm/16 inches, which is flexible and convenient for us to use.
✔Protection Measures - The portable spot welder has perfect overcharge and over temperature protection functions. Its unique overheating protection device automatically cuts off the power when overheating occurs, and it will automatically shut down without any operation for 8 minutes, allowing you to use it more safely.

SaleRank No. #20

Aideepen Spot Welder PCB Circuit Board DC 12V 90-150A Battery Energy Storage Spot Welder 6 MOS Portable High Power DIY Nickel Welding for 18650/26650/32650 Lithium Battery

The circuit board of this spot welder can be used to weld 18650/26650/32650 lithium batteries.
Advantages: Easy to carry, stable, reliable and durable. Low cost, own car start battery, or high-power battery pack, connect it to use.
Working current: 90-150A (Discharge below 90A, will not work).
Power supply voltage: 12v-15v.It is easy to weld the common 0.1mm~0.15mm nickel plated sheet.
It has 5 levels gear, the spot welding strength is gradually strengthened from the first gear, and the fifth gear is the strongest.Portable DIY 12V Battery Energy Storage Spot Welder Machine for electronic enthusiasts.

Last update on 2023-07-30 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API

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Romance University has done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for 18650 Battery Spot Welder that you consider buying. Your questions might include the following:

Is it worth buying an 18650 Battery Spot Welder?
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We’re convinced that you likely have far more questions than just these regarding 18650 Battery Spot Welder, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for 18650 Battery Spot Welder, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible 18650 Battery Spot Welder. Make sure that you are only using trustworthy and credible websites and sources.

Romance University provides an 18650 Battery Spot Welder buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information. How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available 18650 Battery Spot Welder currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

Brand Value: Every brand of 18650 Battery Spot Welder has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
Features: What bells and whistles matter for an 18650 Battery Spot Welder?
Specifications: How powerful they are can be measured.
Product Value: This simply is how much bang for the buck you get from your 18650 Battery Spot Welder.
Customer Ratings: Number ratings grade 18650 Battery Spot Welder objectively.
Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their 18650 Battery Spot Welder.
Product Quality: You don’t always get what you pay for with an 18650 Battery Spot Welder, sometimes less, and sometimes more.
Product Reliability: How sturdy and durable an 18650 Battery Spot Welder is should be an indication of how long it will work out for you.

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FAQ:

Q: What’s the best 18650 Charger?

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Q: What is a battery spot welder?

A: The spot welder [Erwin] used is the work of a user by the name of [aulakiria] (link is Korean, machine translation here) and is designed to be portable and powered by batteries commonly used for RC. [Erwin] is delighted with the results, and demonstrates the device in the video embedded below. Spot…

Q: What is spot welding machine?

A: Spot welding is a form of welding that requires a unique welding machine. This machine is designed with clamps that join two pieces of metal together with electrodes. The electrodes are used to apply pressure and electricity into the metal objects. This causes a spot weld to be formed with a metal nugget between the objects.