The Best 18700 Battery of 2022 – Reviewed and Top Rated

After hours researching and comparing all models on the market, we find out the Best 18700 Battery of 2022. Check our ranking below.

2,167 Reviews Scanned

Rank No. #1

KBT 2-Pack 3.7V 18700 2600mAh Battery, Button Top, Built-in Protection Board Replacement for Streamlight 22104 SL-B26 USB Rechargeable Lithium Ion Battery

3.7V 18700-2600mAh Rechargeable Lithium Battery, Button top battery, size 18mm Diameter *70mm Length. Build-in protection BMS and have short-circuit protection, over-charge&discharge protection, over-current proteciton.
Widely Compatible: flashlights, headlights, digital cameras, doorbells,toys, radios, speakers, Electronic Device.
Long life-time: With about 800 times charge and discharge cycles,the battery can work for 2-3 years in normal using. If you don't use the battery often, please running out the battery capacity and full charging the battery once a month.
Certified quality: Each lithium battery pass safety examination before they leave the facotry. They must pass UN38.3 test standards such as low-high temperature test, impact test, over charging, external short circuit, vibration test etc. It will lower down the risk caused by accident to minumum in production, shipping and your using period.
We provide replacement service and 12 months warranty. Please feel freely to contact with us for customer support if you have any question with our product. Your inquiry will have our prompt reply.

Rank No. #2

NERMAK 3.7V 3200mAh USB Rechargeable Lithium lon Battery for Flashlights, Headlamps, Bike Lights, Bluetooth Speaker Etc(2 Pack)

【Size Parameters】3.7V 3200mAh lithium batteries, size: 18mm(0.7 inch) diameter x 70mm(2.7 inch), (Note: they are longer than the flat-top batteries, please check the battery size before purchasing)
【Superior Performance】：Built-in USB-C port, support C-C output, you can charge your cell phone and other devices in case of emergency, easy to charge with the included 2-in-1 USB cable, no need for an additional battery charger (does not support PD fast charging)
【Widely Uses】：NERMK 3.7V rechargeable batteries are suitable for flashlights, headlamps, toys, remote controls, microphones, radios, bike lights, bluetooth speakers, and other household devices.
【Safe and Efficient】: NERMAK 3.7V battery has built-in safety protection against overcharging, over-discharging, over-current and short-circuit, with 1500+ charging cycles for longer service life, making it an ideal replacement battery for high-frequency equipment.
【Warm Note】: 2* 3.7 Volt Replacement lithium ion battery，12 months warranty, If you have any question for our product, Contact us: click the "Ask a question" on our storefront or in "YOUR ORDER" options click the "contact seller"

SaleRank No. #3

DQGG INR21700 Rechargeable Battery 3.7v Lithium-Ion Rechargeable Cell 5000mAh for Flashlights Headlamps Doorbells Cameras Toys

【Widely Used】3.7v 21700 rechargeable battery is suitable for many flashlights, headlamps, digital cameras, doorbells, toys, radios, speakers and other electrical and electronic devices. This kind of 3.7v 21700 battery is also very portable, which is convenient for business, traveling and camping
【Product Details】70mm in length, 21mm in diameter(2.76*0.83*0.83inch); FLAT TOP, 5000mAh, 3.7 volts.This is a kind of 3.7v rechargeable battery. Please make sure the battery type you need for your device is 21700, to avoid purchasing the wrong type of battery
【Prime Performance】3.7V 21700 rechargeable batteries support multiple charging and discharging, no memory effect, the capacity of the real label, this battery has a low power consumption rate, high energy density and non-polluting and other characteristics, is a must-have of home, travel and camping
【Reliable Protection】This 3.7v 21700 battery has five protection functions, including high temperature protection, low temperature protection, short circuit protection, power failure protection, overcharge protection and so on. Please fully charge the battery before using it for the first time, so that you can have a better using experience
【Recycle】21700 rechargeable batteries can be charged up to 1000 times, once purchased, long time use, so you do not need to replace the battery frequently

Rank No. #4

JESSY 8 Pack 18650 Rechargeable Battery Flat Top, 3.7V Lithium Batteries 3300mAh High Capacity for LED Flashlights, Headlights, Camera, Small Fans, Toys

Rechargeable battery: JESSY 3.7V Lithium Battery, this is FLAT-TOP rechargeable Batteries, Size 18 * 65 * 18mm (2.56*0.7*0.7inch), the Size is NOT AA/AAA battery. Please confirm the battery size and battery type before purchase
Wide Compatibility: 3.7V rechargeable battery compatible with headlamps, flashlights, radio, cameras, garden lights, doorbells, small fans, toys, etc
High Performance: 3300mAh 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
Multiple Protections: 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
100% Guarantee: If you do not like our 3.7V lithium batteries, please contact us and we will replace them or give you a full refund

Rank No. #5

EcoSolutions 21700 Rechargeable Battery Case Set, 2pack 5000mah Large Capacity 3.6Volt 21700 Tip Battery for flashlights ect,

Widely Compatible: 5000mAh 21700 Rechargeable battery large capacity,Which can be widely used for electronic devices, such as LED flashlights, emergency lights, portable devices, headlights, toys, remote controls, etc.
Reliability and Durability: High-quality manufacturing processes and materials ensure the stability and durability of it, allowing them to perform exceptionally well in various environments and usage conditions.
Product Size: 21*21*70 mm (0.82*0.82*2.75 inches),it's a 3.6 volt rechargeable battery, please check carefully before purchasing !).Please confirm whether the battery model required by your device.
Large capacity: 21700 battery With a capacity of 5000mAh and voltage of 3.6v battery, high capacity battery with low discharge rate, high power consumption, high energy density and pollution-free design, No need to change batteries frequently.
Enjoy our warm after-sales service: If you encounter any issues, don't hesitate to reach out to us. We're committed to resolving them for you promptly.

SaleRank No. #6

Intelligent 21700 18650 Battery Charger,LCD 21700 Battery Charger 21750 21700 18650 Charger for 20700 22700 26650 26700 16340 (RCR123) 17650 17670 Ni-MH/Ni-CD AA AAA Rechargeable Battery

Important Warm Tips:1.CR123 ,CR123A is Non-rechargeable,please don’t charge it.And this charger can not support 1.5V Li-ion battery.Before charge,please check your battery.If broken,please don’t try to charge it.
Great Compatibility Advantage:With 75 mm slots,this charger can support 26700 21700 22700 20700 17670 battery,even these battery has PCB protection board.Of course,this charger can also support 22750 21750 18650 22650 26650 14500 14650 16340 (RCR123) 16650 17500 17650 18490 18500 1.2V Ni-MH Ni-CD AA AAA AAAA C SC F6 Li-ion IMR INR ICR Rechargeable Batteries
Smart Charger Design:Press Button A,you can switch the charge current to 0.5A, 1A and 2A.Note:Ni-MH Battery,only 0.5A.Press C to view C1 and C2,LCD will show the status of the charging battery.
Intelligent Charge Technology:This charger has micro computer system,with two independent channels.So it can charge the battery effectively,in the meantime,prevent the damage of reverse connection,prevent short circuit,prevent over charge and over current to the battery.
Universal Safe Certificate:This charger has passed CE,UKCA,PSE,FCC test,and got the certificate.In the meantime,it also passed ROHS,means it is a environment friendly product.

SaleRank No. #7

JESSPOW 18500 Rechargeable Batteries, IMR 18500 Rechargeable Li-ion Battery 1600mAh 3.7V [ for Flashlight, Solar Garden Light ] with Button Top (4Pack)

This is 18500 battery, High capacity 18500 lithium rechargeable batteries with button top. Not 18650 battery, can not compatible with devices that using 18650 batteries.
Amp Limit: 16.5A, Voltage: 3.7V, Type: Button Top, High capacity 1600mah lithium rechargeable solar replacement batteries.
JESSPOW 18500 3.7V battery compatible with solar lights, garden lights, security system panels, LED flashlights, landscape lighting.
Environmentally Friendly - It is super convenient to use and replace one-time-use battery to save environment by preventing the waste of non-rechargeable lithium 18500 battery.
CUSTOMER SERVICE - If you are not satisfied with our Rechargeable Battery, let us know and you will be offered a full refund or free replacement. Enjoy this absolutely RISK FREE purchase by clicking the yellow [Add to Cart] button.

SaleRank No. #8

Svenirven 18650 Battery 3.7Volt 2Pcs Rechargeable Battery 2000mAh Button Top Batteries for Headlamp,LED Flashlight,Mini Fans etc…

Product Size: 67*18*18mm/2.64*0.71*0.71 inch; Please NOTE These are 18650 rechargeable batteries, please check carefully before purchasing !!!.Please confirm whether the battery model required by your device is 18650.
Compatible with headlamp, toys, doorbells, cameras, small fans, RC car headlights, etc.
Please Note: These are Button top Rechargeable Battery (Not flat Top). Please check whether it is the battery you need before purchasing.
Multiple Protections: This 3.7v 18650 rechargeable battery has excellent performance and provides multiple protection, including short circuit, overcharge and overcurrent protection. Make the battery more stable and safer to protect your devices.
Safety Certification: Our batteries are certified by CE, FCC, PSE, ROHS and UL standards, you can trust the quality and safety. Please buy with confidence

SaleRank No. #9

18650 Battery Charger, 2 Bay Battery Charger with Smart LCD Display Fast Charge for Rechargeable Batteries Li-ion LiFePO4 NI-MH NI-Cd AA AAA C 21700 26650 13650 16340 18350 18700 RCR123

2-Bay Battery Charger: Our rechargeable battery charger is made of fire-retardant PC material with excellent heat dissipation and electronic circuit design. Intelligent circuit to prevent short circuit, over voltage, automatic stop charging after fully charged.
Intelligent LCD Display: This 18650 and AAA/AA battery charger with large screen can display charging voltage, charging current, charging time, battery type, battery power percentage, and understand the charging data easily.
Adjustable Charging Speed: Switch between 0.5A/1A/2A fast charging as you need. Note: The adjustable charging speed only applies to lithium batteries. for Ni-MH batteries, the charging speed is 0.5A. With a USB input cable, you can use a laptop, cell phone charger, car charger, etc. to charge the battery.
Universal Battery Charger: This multi-bay battery charger is fully compatible with 3.7V lithium battery and 1.2V Ni-MH/Ni-CD battery. Includes: 10400/14500/14650/16340/18350/18500/18490/18650/20700/21700/22650/26650/26700/AA/AAA/AAAA/C/SC.
What You Get: You will get 1* 2 slot battery charger, 1* charging cable, 1* user manual. If for any reason you are not satisfied with your purchased product, please contact us for a refund or replacement.

SaleRank No. #10

Dual-Slot Battery Charger DIY Detachable Mobile Power Shell for 18650/21700/18700/20700 Lithium Batteries (White)

High-Speed Charging 22.5W: Supports PPS/SCP/QC4.0/PD3.0 with input/output specifications of 5V/4.5A, 9V/2A, and 12V/1.5A, reaching a maximum of 22.5W
Compatibility: Compatible with unprotected 3.6V/3.7V 18650, 18700, 20700, and 21700 lithium batteries
Dual-Purpose Functionality: Acts as both a charger for your lithium batteries and a power when the batteries are installed
Safety Features: Built-in protect against overcharging, over-voltage, and short-circuiting; Reverse connection protection, installing the batteries in reverse will not burn out the circuit board
Built-in Flashlight: Features a built-in flashlight, providing an additional layer of utility for emergencies or outdoor activities

Last update on 2025-06-19 / Affiliate links / Images from Amazon Product Advertising API

How Do You Buy The Best 18700 Battery?

Do you get stressed out thinking about shopping for a great 18700 Battery? Do doubts keep creeping into your mind? We understand, because we’ve already gone through the whole process of researching 18700 Battery, which is why we have assembled a comprehensive list of the greatest 18700 Battery available in the current market. We’ve also come up with a list of questions that you probably have yourself.

We’ve done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for 18700 Battery that you consider buying. Your questions might include the following:

Is it worth buying an 18700 Battery?
What benefits are there with buying an 18700 Battery?
What factors deserve consideration when shopping for an effective 18700 Battery?
Why is it crucial to invest in any 18700 Battery, much less the best one?
Which 18700 Battery are good in the current market?
Where can you find information like this about 18700 Battery?

We’re convinced that you likely have far more questions than just these regarding 18700 Battery, 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 18700 Battery, 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 18700 Battery. Make sure that you are only using trustworthy and credible websites and sources.

We provide an 18700 Battery 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 18700 Battery 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 18700 Battery 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 18700 Battery?
Specifications: How powerful they are can be measured.
Product Value: This simply is how much bang for the buck you get from your 18700 Battery.
Customer Ratings: Number ratings grade 18700 Battery objectively.
Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their 18700 Battery.
Product Quality: You don’t always get what you pay for with an 18700 Battery, sometimes less, and sometimes more.
Product Reliability: How sturdy and durable an 18700 Battery is should be an indication of how long it will work out for you.

We always remember that maintaining 18700 Battery information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding 18700 Battery is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly! We’re here for you all the time. Contact us here. Or You can read more about us to see our vision.

The Best 18700 Battery of 2022 – Reviewed and Top Rated

How Do You Buy The Best 18700 Battery?

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