10 Best 21700 Battery Cell In The Us - Black Friday 2024
Best Choice1
BENKIABENKIA 21700 Rechargeable Battery 5000mAh High Capacity 3.7V Flat Top 4 Pack 21700 Batteries Rechargeable for Headlamp Flashlight
Main highlights- 【Warm tips】Please fully charge the battery after receiving the goods, when the battery is too low, please charge it in time, which will help to extend the number of times the battery is used
- 【Multi-Application】 Large capacity 21700 rechargeable battery is compatible with versatile devices, such as headlamps, flashlights, doorbells,small fans,remote controls, alarm clock,toys,etc. Helps you start your devices quickly
- 【High Performance】21700 Battery has no memory effect, More than 1000 cycles of complete charge and discharge cycles.Efficient and large capacity battery provides reliable power support for your daily use and emergencies
- 【High Capacity】Long lasting 5000mAh 21700 battery, easy to charge. Support stable 3.7volt output voltage, makes the devices work more stable and lasting longer, ideal replacement batteries for high frequently used devices
- 【Dimension】Flat Top size: 70*21*21mm(2.76*0.83*0.83inches). NOTE: Please confirm whether the battery size and battery type before purchase
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
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
9.7Exceptional
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4
Svenirven10% OffSvenirven 2PCS 5000mah 217OO 3.6V Flat top Rechargeable li-ion Battery Green with Battery Organizer
9.6Exceptional
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5
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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6
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.
9.1Excellent
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7
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
9.0Excellent
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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
YuntuneleYuntunele 3.7 Volt 21700 Rechargeable Battery Battery 2 Pack Large Capacity Batteries for LED Flashlight, Headlamps, etc
Main highlights- 【Versatile Usage】Size: 70mm x 21mmx 21mm(2.75*0.82*0.82 inches) this 3.7v rechargeable battery is widely for electronic devices, including LED torches, portable devices, headlights, toys and other household appliances.
- 【Extended Battery Life】 For optimal performance, we recommend charging the battery fully before initial use. It will reach peak efficiency after 3-5 full charge cycles. With no memory effect, this battery can be recharged up to an impressive 1200 times even when partially drained, ensuring prolonged usability. c
- 【Extended Battery Life】 For optimal performance, we recommend charging the battery fully before initial use. It will reach peak efficiency after 3-5 full charge cycles. With no memory effect, this battery can be recharged up to an impressive 1200 times even when partially drained, ensuring prolonged usability. c
- 【Extended Battery Life】 For optimal performance, we recommend charging the battery fully before initial use. It will reach peak efficiency after 3-5 full charge cycles. With no memory effect, this battery can be recharged up to an impressive 1200 times even when partially drained, ensuring prolonged usability.
- 【Committed After-Sales Support】 These rechargeable batteries have undergone stringent quality tests to guarantee normal usage. We assure you of their reliable quality and durability. Should you encounter any issues, feel free to contact us anytime, and we promise to provide a prompt solution. Enjoy a 24-month shelf life along with our complimentary return and exchange service.
8.8Very Good
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10
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.
8.7Very Good
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