10 Best Battery Cell 21700 In The Us - Black Friday 2024
Best Choice1
MLGBDCMLGBDC 2PCS 21700 5000mAh Rechargeable Battery and Charger,3.7Volt High Capacity,21700 Battery for Strong Flashlight and Other Electronic Devices.
Main highlights- 【Safety Protection】This product provides 6 types of protection, such as temperature protection, short circuit protection, overcharge protection to stabilize the batter
- 【Product size】70*21*21mm (2.76*0.83*0.83 inch),21700 3.7V batteries.
- 【Multi-Application】21700 5000mAh Rechargeable Battery for headlamps, flashlights, doorbells,alarm clock,toys and other necessary devices
- 【High Performance】With a large capacity of 5000mAh 21700 rechargeable batteries can last at least 20% longer than other batteries, perfect replacement battery for used devices with high frequency
- 21700-5000mAh flat top rechargeable battery with charger , Please pay attention to the size before you buy.
9.9Exceptional
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Value for Money2
Generic21700 Rechargeable Battery 3.7V Flat Top Lithium Battery 5000mAh for Flashlights Headlamps Cameras Toys etc (1 Charger Included, 2 Cells)
Main highlights- 【Specification】3.7 volts, 5000mAh
- 【Size】70mm in length, 21mm in diameter. It is much more BIGGER than AAA battery and 18650 battery
- 【Content】You will get 2 cells of 21700 rechargeable batteries, 1 charger included
- 【Application】21700 battery are usually used in Flashlights, Headlamps, Toys, Doorbells, Cameras, etc. Many power tools need this kind of battery to work.
9.8Exceptional
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3
EcoSolutionsEcoSolutions 21700 Rechargeable Battery Case Set, 2pack 5000mah Large Capacity 3.6Volt 21700 Tip Battery for flashlights ect,
Main highlights- 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.
9.5Excellent
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4
CBJJCBJJ 21700 Rechargeable Battery, 3.7 Volt 21700 Battery 5000mAh Flat Top 21700 Li-ion Battery for Flashlight (2 Pack, Black)
Main highlights- Wide Compatibility: These rechargeable 21700 batteries are widely used in various devices, including flashlights, headlamps, path-lights, doorbells , power banks and more. Portable & lightweight items for home use and outdoor use. NOTE: Please fully charge the products before use
- Warm Service: All of products have passed strict testing for normal use. If you have any question, please feel free to contact us, we'll reply email ASAP
- Product Dimensions: 71*21*21 mm(2.80*0.83*0.83 inch). NOTE: This is 3.7v 21700 battery, please refer to the images to confirm the battery model and battery size to select the appropriate battery before purchase
- Multiple Protections: This 3.7v 21700 rechargeable 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
- High Performance: This 3.7v 21700 li-ion battery is with 5000mAh large capacity 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
9.4Excellent
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5
BFHBBFHB 21700 Battery Case Set 5000 mAh for Flashlight - 2 Pack
Main highlights- Wide Compatibility - With the standard size, these batteries are compatible with many flashlight brands and other electronic devices, including LED torches, portable devices, headlights, toys, cameras and other household appliances. Providing users with a broader range of choices and flexibility.
- 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.
- Precision Design - Tailored for flashlights, these batteries set are seamlessly integrated with their corresponding battery cases, offering a safe and efficient power solution to keep devices operating optimally when needed.
- Ensuring reliable power for extended durations, making it an ideal choice for various devices.
- 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.
9.2Excellent
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6
CWUUCWUU 3.7V 21700 Rechargeable Battery, 5000mAh 21700 Battery Rechargeable 21700 Li-ion Battery for Flashlights, Toys & More, 2 Pcs
Main highlights- Wide Compatibility: 3.7 volts 21700 rechargeable battery can be widely well-suited for LED flashlights, healamps, solar lights, emergency lights, doorbells, toys, game controller, remote controls and other electronic devices
- Safe Protections: Rechargeable 3.7v battery can be cycled more than 1000 times with no memory effect. Designed with multiple safety features, including over-charge, over-discharge, over-heat and short-circuit protection.Premium Li-ion cells for longer battery life
- Quality Service: If you have any questions about ours products, please feel free to contact us, we will provide you with professional solutions and satisfactory services as soon as possible.
- Product Parameters: Product size: 2.80*0.82inch (71*21mm). Please carefully confirm whether your device is suitable before purchasing
- 5000mAh High Capacity: 3.7V li-ion 21700 battery is with 5000mAh high capacity that can provide stable voltage and long-lasting battery life for long term use in lots of devices
9.1Excellent
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7
CWUUCWUU 21700 Rechargeable Battery 3.7V Li-ion Cell 5000mAh Large Capacity for Headlamp, Flashlight 241012-2 (2 Pack)
Main highlights- Warm After-sales Service: If you have any problems, please feel free to contact us. We will solve the problem for you ASAP.
- Versatile Battery - 3.7 volt rechargeable battery 21700 is versatile and can be used for a variety of electronic devices, including LED torches, portable devices, headlights, toys and other household appliances.
- Size: 70mm x 21mmx 21mm(2.75*0.82*0.82 inches) ; Battery must be FULLY charged before first use.
- Environmentally Friendly - 21700 rechargeable battery supports multiple charging and discharging cycles without memory effect, 1 pack rechargeable battery is equivalent to 1000 packs disposable batteries. Designed with multiple protection functions, such as over-charging, over-discharging and short-circuit protection, to ensure safe and reliable use.
9.0Excellent
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8
EcoSolutionsEcoSolutions 21700 Rechargeable Battery Case Set, 5000mah Large Capacity 3.7Volt 21700 Flat Top Battery for flashlights ect, 2 Pack
Main highlights- 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.
- Product Size: 21*21*70 mm (0.82*0.82*2.75 inches),it's a 3.7 volt Flat Top rechargeable battery, please check carefully before purchasing !).Please confirm whether the battery model required by your device.
- Multiple Protections: This flat top rechargeable battery is without memory effect and provide safe protections to protect your devices,including short circuit, overcharge, and overcurrent protection. NOTE: Please fully charge the products before use
- 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: All of our products have passed strict testing for normal use. If you encounter any issues, don't hesitate to reach out to us. We're committed to resolving them for you promptly.
8.9Very Good
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9
AFSONGOOAFSONGOO 21700 2Packs 3.7V Rechargeable Battery Flat top Battery for Electronic Devices,Such as LED flashlights, Emergency Lights,Portable Devices
Main highlights- Size: 71*21*21 mm(2.80*0.83*0.83 inch),21700 Flat top Battery for Electronic Devices,Such as LED flashlights, Emergency Lights,Portable Devices
- 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.
- Genuine Quality: Experience reliable performance with the AFSONGOO original battery, designed specifically for your device.
- Advanced Smart Cell Technology: The built-in intelligent battery cell ensures efficient power management and longer-lasting usage.
8.8Very Good
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10
microtivityBestol 100pcs 2x Cell/3xCell 21700 Battery Holder Bracket Cell Safety Anti Vibration Plastic Brackets For 21700 Batteries (3X21700 CELL)
Main highlights- Using this holder, we can make different battery pack , such as 12 v, 24 v, 36v battery pack, which can be used as electric bike battery, electric tools battery, storage battery and electric car battery, etc.
- Can be spliced arbitrarily, aperture 21.2mm, spacing 23.2mm
- 21700 2x/3x Battery Holder Bracket Cell Safety Anti Vibration Plastic Brackets For 21700 Batteries
- 100 Pcs 2x 21700/3x21700 Battery Holder Bracket
8.6Very Good
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