10 Best Cell for 21700 In The Us - Black Friday 2024
Best Choice1
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
9.9Exceptional
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Value for Money2
ImrenIMREN 18650 Battery Charger,21700 Battery Charger for 3.7V 14500 10400 18500 18350 18650 18700 20700 21700 22650 26650 Li-ion Battery,1.2V Ni-MH/Ni-Cd Battery,4 Bay 18650 USB C Battery Charger
9.7 Charging power9.5 safety8.0 DurabilityWhy we love it
Charges multiple battery types simultaneously and separately.
Adjustable charging speeds for faster or slower charge times.
Portable with USB-C for on-the-go charging.
9.8Exceptional
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3
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.
9.6Exceptional
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4
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.
9.3Excellent
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5
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.
9.2Excellent
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6
BettomshinBettomshin 50Pcs 21700 Lithium Battery Holder, Lithium Cell Spacer Triple Battery Holder Bracket Battery Pack Bracket for DIY Fixed Battery 21.7mm Hole Dia
Main highlights- 【Parameter】Series Mode: Trible 21700 Battery Holder Cell Spacer; For: 21700 Lithium Battery; Hole Spacing: 23mm/0.9inch; Hole Dia: 21.7mm/0.85inch.
- 【Function】Battery holder 21170 belong to necessary support of high-end battery combination, can withstand high drop, high strength support, easy to heat dissipation, convenient combination, fixed specifications, and free combination.
- 【Features】Cylindrical 18650 battery holder, fire retardant pc pp gp materials; Crack resistant edge with the slot, with the firm, It can accomodate various size.
- 【Advantage】21700 battery holder has card slot at edge, any size can joining together, match up firm, with strong, and no need for other device connected by vibration test.
- 【Aapplication】With professional 21170 battery holder to replace the traditional general adhesive, which would brings convenient combination and more firm connection, as well as brings convenient maintenance of the battery.its the best choice of the battery combination.
9.1Excellent
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7
Protect Your PowerProtect Your Power0 Battery Case, Soft Durable Material - Pack of 2 (Holds 2 Batteries)
Main highlights- [Protect Your Power] - The Slimline 21700 battery case is made of a soft durable rubber like material which will not crack or shatter. It keeps your batteries fully protected by keeping both battery terminals covered and safe. A micro-bevel lip holds the top on securely, ensuring your batteries remain in the case.
- [Keep Batteries Organized] The perfect battery storage case for your 21700 batteries. Place used/dead batteries in the case upside down to easily keep track of which batteries are depleted.
- [Excellent for the Outdoors] - Great to keep with your hiking gear or camping supplies for safe battery storage. Bring a spare set of batteries with you in your pack on a hike, or while camping, to keep your flashlight powered.
- [Contents] Includes 2x 21700 battery cases, each battery holder will hold 2x 21700 batteries. Design allows for storing protected or unprotected batteries up to 78mm in length.
- Batteries not included.
9.0Excellent
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8
Imren29% OffImren 3.7V Button Top Battery,4500mAh Rechargeable Battery with USB-C Cable for Fenix USB-C Rechargeable LED Series Flashlights, Headlamps, Doorbells, RC Car（1PCS）
Main highlights- 【Pakage】 -Batteries(size: 21mm x 75mm) x 1; 1 charging cable；Batteries case x 1
- 【Fits for】 - Fenix USB-C Rechargeable LED Series Flashlights,toys, doorbells, headlamps and other household devices
- 【Built in USB-C port】 - USB-C port for charging battery. LED Indicator light is red while charging, blue is finished
- 【Battery Size】- SIZE: 21mm x 75mm (8.27''x29.53'')
- 【Battery Capacity】- 4500mAh
8.9Very Good
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9
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
8.7Very Good
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10
FielectFielect 20Pcs 4x5 Cell Spacer 21700 Lithium Battery Plastic Holder Bracket for DIY Battery Pack 21.7mm Hole Dia
Main highlights- [Type]- Series Mode: 4*5 21700 Battery Holder Cell Spacer; For: 21700 Lithium Battery; Hole Spacing: 23mm/0.9"; Hole Dia: 21.7mm/0.85".
- [Function]- Battery holder 21170 belong to necessary support of high-end battery combination, can withstand high drop, high strength support, easy to heat dissipation, convenient combination, fixed specifications, and free combination.
- [Features]- Cylindrical 18650 battery holder, fire retardant pc pp gp materials; Crack resistant edge with the slot, with the firm, It can accomodate various size.
- [Advantage]- 21700 battery holder has card slot at edge, the same model multi -shape random stitching combination, match up firm, with strong, and no need for other device connected by vibration test.
- [Aapplication]- With professional 21170 battery holder to replace the traditional general adhesive, which would brings convenient combination and more firm connection, as well as brings convenient maintenance of the battery, its the best choice of the battery combination.
8.5Good
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