10 Best 18659 21700 Battery 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
9.8Exceptional
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Value for Money2
LBFButton Top 3.7V 5000mAh Lithium-ion Rechargeable Battery Type-C Input/Output Protection Circuit Built-in Large Capacity 3.6V Replacement Battery for LED Flashlight, Headlamps etc(2 Pack)
Main highlights- 【Secure and Reliable】The highest quality, the happiest customer. LBF Protection Circuit Built-In Battery features six types of protection, including temperature, short circuit, overcharge, and overcurrent protection.
- 【Rechargeable 1000+ Times】 A single 3.6 Volt rechargeable battery can recharge up to 1000 charging and discharging cycles and no memory effect. Replace 1000+ disposable alkaline batteries, reduce the waste of resources and good value for the money.
- 【Large Capacity】 LBF 3.7V battery with a capacity of 5000mAh and voltage of 3.7V, high capacity battery with low self discharge rate, high power consumption, high energy density and pollution-free design, No need to charge batteries frequently.
- 【Battery Specification】Battery type: Button Top PCB Protection Circuit Built-In, Capacity: 5000mAh(5Ah), Wh Rating: 18.5Wh, Voltage: 3.7V, Size: 21.5*75.2mm(0.85*2.96 inches), Feature:Type-C Input/Output, Quantity: 2 Pack. This product is NOT sold with restricted lithium-ion standalone batteries. This product does NOT include lithium-ion battery types: 14500, 16340, 18650, 20700, 21700 and 26650
- 【Applicable Device】LBF 21C70 lithium ion battery for led flashlights, headlights, bicycle lights, emergency lights, work lights, loudspeakers, Instrumentation. The USB-C Input/Output battery can be used as an emergency power bank to charge your phone or other devices. It's 21.5*75.2mm, not 21*70mm. Please check whether it is the battery you need before purchasing.
9.6Exceptional
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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.
9.4Excellent
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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.
9.1Excellent
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5
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
9.0Excellent
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6
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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7
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.
8.8Very Good
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8
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.
8.7Very Good
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9
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
8.6Very Good
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10
AFSONGOOAFSONGOO 21700 Rechargeable Battery, 3.7 Volt 2 Packs 21700 Battery Flat Top 21700genuine Li-ion Battery for Flashlight
8.4Good
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