The Best 18650 3 Pack of 2025 – Reviewed and Top Rated
After hours researching and comparing all models on the market, we find out the Best 18650 3 Pack of 2025. Check our ranking below.
2,589 Reviews Scanned
- Product Dimensions: 65*18*18 mm/2.56*0.71*0.71 inch. NOTE: These are FLAT TOP 18650 batteries. Please confirm the battery size and battery type before purchase
- Wide Compatibility: Widely used for LED flashlights, solar lights, racing, game controller, emergency lights, portable devices, headlamps, toys, remote controls, doorbells and other electronic devices.
- Advanced Smart Cell Technology: The built-in intelligent battery cell ensures efficient power management and longer-lasting usage.
- Safety Certifications: Trust in the quality and safety of our battery, certified by CE, FCC, PSE, ROHS, and UL standards.
- Protective Mechanism: Built-in protection features safeguard your device from overcharging, overheating, and short circuits.
- Package Includes: 6 pack button top batteries
- Widely Compatible: Rechargeable battery for flashlights, headlights, digital cameras, doorbells,toys, radios, speakers, Electronic Device. this 3.7v battery is highly portable, making it convenient for travel, camping trips
- Product Size: L x B 2.625 inch X 0.75 inch; it's a BUTTON TOP, please check carefully before purchasing
- Multiple Protections: This features six types of protection, including temperature, short circuit, overcharge, and overcurrent protection. These features ensure the battery remains stable and your device stays protected at all times.Please fully charge the battery before the first use, the battery will work better. Charge up to 1000 times without frequent battery changes
- To ensure the performance of the battery and extend its lifespan,the new battery will only retain a portion of its power.Please remove the transparent protective film of the battery bfore charging.It usually takes 6-8 hours to fully charge the battery for the first use.Please make sure the battery is insertes in the orrect direction before charging
- 【Model Type】: 18650 3.7 6600mAh battery With JST PH-2P/2.0 forward plug. plug size will show in our listing picture.
- 【Battery SIZE】Size: 2.66*2.13*0.73 Inchs
- 【KNOW BEFORE USE 1.】please contrast with the old battery and check the polarity of the battery. Red wire connection power positive " +" , Black wire connect power negative pole "-". if is a reversed, you need position of interchange wires. otherwise device will demage.
- 【POSITION OF INTERCHANGE WIRES】 --- If the polarity of the red and black wires are reversed, you need to exchange the position of the plug wires, You will need to take the wires out of the plastic plug and reverse them only. To do this, take the small blade you own, very gently pry up the two plastic tabs on the top of the plug one at a time, and gently pull the wire out of the plastic plug.( Don't yank!)
- 【KNOW BEFORE USE 2.】Please make sure your device's working current or power before purchasing, our battery is 16.28Wh 3.7V battery, Normal max Continue discharg current is 6A, max power 22.2Wh. For example use it for 24Wh Ortizen Portable Bluetooth Speaker IPX7, battery's drop voltage fast, it will stop work because of overdischarge protection when voltage below 2.5V. it shows your device work ,but battery discharge about 40 minutes .PLEASE DO NOT over its power ability . Our battery max Continue discharg current and max Instantaneous discharge current will list in below sepcification.
- JESSY Rechargeable Battery: This is BUTTON TOP rechargeable Batteries, product Size: 67*18*18mm(2.63*0.7*0.7inch), the Size is NOT AA/AAA battery, please confirm the battery size and battery type before purchase.
- High Performance: 3000mAh large capacity rechargeable battery which supports stable power for your devices and effectively prevents damage of the devices, such a perfect replacement battery for used devices with high frequency.
- Wide Compatibility: 3.7V Button Top rechargeable battery compatible with headlamps, flashlights, radio, doorbells, small fans, toys, etc. This 3.7V battery is highly portable, making it convenient for travel, camping trips.
- Multiple Protections: This 3.7V battery is without any memory effect and provide multiple protections. Prefectly make the battery to be more stable and safe to protect your devices, Please fully charge the battery before the first use, the battery will work better.
- 100% Guarantee: If you do not like our 3.7V Button Top rechargeable batteries, please contact us and we will replace them or give you a full refund.
- [3.7V Rechargeable Battery] Size: 18*67mm. TEKOWEE rechargeable battery button top 3000mAh high capacity, Please confirm whether your device is suitable before purchasing
- [Wide Compatibility] The long-lasting 3.7v battery is compatible with versatile devices, such as LED flashlights, headlamps, pathlights, emergency lights, portable devices, garden lights, small fans, toys, remote controls, doorbells and other electronic devices
- [Rechargeable and Durable] 3.7v rechargeable battery can be cycled more than 2000 times, no need to buy batteries frequently, save a lot of money
- [Multiple Security Protection] This 3.7V battery is without any memory effect and provide multiple protections, including short circuit, overcharge, and overcurrent protection. Prefectly make the battery to be more stable and safe to protect your devices
- [Customer Service] If you do not like our 3.7V rechargeable batteries, please contact us and we will replace them or give you a full refund
- 11.1v 3 * 18650 core lithium batteries with 2 inch XH 2.5 plug.
- Protective batteries against overvoltage, overvoltage, overload and short circuit have an optimal wire length.
- Provide exceptional continuous power for your model car, remote control, razor, cordless phone, flashlight, DIY library, emergency lighting, LEDs, safety installations, power tools and more.
- High energy density, long charging period, suitable for long-term daily use.
- Safe and reliable, high quality and environmentally friendly charging battery packaged in high temperature PVC material, no toxic waste.
- HIGH-CAPACITY 2600MAH LI-ION BATTERY PACK: Built with 3 x 18650 cylindrical cells, delivering stable 11.1V output for powerful performance.
- ADVANCED PROTECTION CIRCUIT: Integrated IC chip prevents overcharging and over-discharging, extending battery lifespan.
- LIGHTWEIGHT & COMPACT DESIGN: Measures 69mm (2.72") x 57mm (2.2") x 18mm (0.71") and weighs 5.5 oz (156g) for flexible installation.
- DURABLE PVC SHRINK WRAP: Encases the battery securely, featuring 18G wire and 2POS .100 MTA-100 connectors for reliable connection.
- PACKAGE CONTENTS: 2 x Battery Pack [Rechargeable] with 2 Pin MTA-100 Connectors for versatile electronics and DIY applications.
- 18650 battery size：65*18*18mm(2.56*0.7*0.7inch) it's a rechargeable battery button top.
- Voltage: 3.7 volt rechargeable battery ，the nominal voltage is between 3.6 and 3.7v. It is normal for the charging and discharging voltages to fluctuate
- 18650 battery type：button top,there is a bulge on the top of the battery. Please confirm whether your device is suitable before purchasing
- Multi-application： 18650 batteries for headlamps, flashlights, doorbells,alarm clock,toys and other necessary devices. Wake up your device at any time
- Low self-discharge battery：3.7volt li-ion battery can still maintain 80% capacity after 1 years of non-use, which can maintain the lasting performance of the battery itself and reduce the probability of battery damage，battery is partially pre-charged and ready to use out of the box. It is recommended that the battery is fully charged before use
- No Standalone lithium batteries are sold with the product
- Versatile and User-Friendly: Suitable for a range of devices like LED torches and toys, with a 12-month shelf life and excellent after-sales support.
Last update on 2025-12-21 / Affiliate links / Images from Amazon Product Advertising API
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- Features: What bells and whistles matter for an 18650 3 Pack?
- Specifications: How powerful they are can be measured.
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- Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their 18650 3 Pack.
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FAQ:
Q: What does 18650“ mean?
A: An 18650 Battery is a lithium-ion rechargeable battery. The first 4 digits of the designation “18650” indicate the physical dimensions while the 5 th digit indicates it is a cylinder cell. The standard 18650 battery is 18mm around by 65mm long. This type of battery is very common in applications such as laptop battery packs, flashlights, …
Q: How to make a professional 18650 battery pack at home?
A: DIY Professional 18650 Battery Pack Step 1: Parts and Tools Required. Step 2: Selecting the Right 18650 Cells for the Battery Pack. You will find many types of 18650 cells in the market in… Step 3: Choosing the Right Battery Strips. To make the battery pack, you have to connect the 18650 cells …
Q: What are the dimensions of an 18650 battery?
A: The first 4 digits of the designation “18650” indicate the physical dimensions while the 5 th digit indicates it is a cylinder cell. The standard 18650 battery is 18mm around by 65mm long.