Wurkkos 21700 Batteries of 2025
Best Choice1
WurkkosWurkkos H1 Fast Charging Portable Charger， 5000mAh Power Bank with Clip, Flashlight Portable Charger External Battery with USB-C 5V/3A Output and Input is Compatible with 18650 and 21700 Batteries
Main highlights- MULTIFUNCTIONAL DESIGN: This portable charger has a magnetic and clip design, you can magnetic and clip function a to fix it anywhere, allowing you to have more operating space.
- ️MULTIPLE PROTECTION SAFETY SYSTEM: Built-in multiple protection system ensures that your device will not be affected by overload, overvoltage, overcurrent, short-circuit, protects you and your device, gives you peace of mind when charging your device.
- ULTRA COMPACT AND EASY TO CARRY: Weighing only 4.3 ounces and measuring 4 x 1.1 x 1.1 inches, it is of high quality and comfortable to carry around, fits perfectly squarely into a bag or even a pocket for a day's worth of power needs and brings peace of mind!
- HIGH BATTERY CAPACITY: This fast charger with 5000 mAh power has a long battery life and is compatible with 18650 and 21700 batteries.
- FAST CHARGING: Designed with 5V/3A input and output, it provides the fastest charging speed for your smartphone and saves charging time. You can also charge your flashlight, headlamp, camping light and other outdoor lighting devices outdoors.
9.8Exceptional
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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.
9.7Exceptional
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3
JESSPOW15% OffJESSPOW 21700 3.7 Volt Rechargeable Battery, 21700 Battery 5000mAh Flat Top 21700 Li-ion Batteries for Flashlight, Headlamps, etc 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.
- Use Tips : These batteries are Lithium Ion batteries, which will not be affected by charge or discharge cycles , keeping best performance in your devices. rechargeable batteries are leak-proof and can be used in severe cold and heat, which can performs well in extreme environments, it's reliable and safe.
- Product Dimensions: 70*21*21 mm. 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
- Long Lasting Power: Our Rechargeable battery adopts high energy aggregation technology that will last 5 times longer in high drain 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
9.5Excellent
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4
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.
9.3Excellent
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5
EcoSolutionsEcoSolutions 21700 Rechargeable Battery Case Set, 5000mah Large Capacity 3.6Volt 21700 Tip Battery for flashlights ect, 2pack
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.
9.0Excellent
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6
PAOWANG21700 Rechargeable Battery 3.7Volt Flat Top 5000mAh High Capacity for Flashlight Headlamp(2 Pack,21700 Battery+Charger)
Main highlights- 【Safety Protection】Povides 6 types of protection, such as temperature protection, short circuit protection, overcharge protection to stabilize the battery
- 【Multi-Application】Long lasting 21700 batteries for headlamps, flashlights, doorbells,alarm clock,toys and other necessary devices.Wake up your device at any time
- 【Low Self-Discharge Battery】21700 battery can still maintain 80% capacity after 2 years of non-use, which can maintain the lasting performance of the battery itself and reduce the probability of battery damage
- 【High Performance】With a large capacity of 5000mAh, 21700 rechargeable batteries can last at least 20% longer than other batteries, ideal replacement battery for used devices with high frequency
- 【Battery Size】70*21*21mm(2.76*0.83*0.83inches) It's a rechargeable battery FLAT TOP.Please confirm whether your device is suitable before purchasing
8.8Very Good
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7
EcoSolutionsEcoSolutions 21700 Rechargeable Battery Case Set, 2pack 5000mah Large Capacity 3.6Volt 21700 Tip Battery for flashlights ect,
Why we love it
Large 5000mAh capacity for extended use.
Versatile usage across multiple devices.
Durable and reliable in diverse conditions.
8.5Good
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8
JESSPOW14% OffJESSPOW 4 Pack 21700 3.7 V Rechargeable Batteries, 21700 Battery 5000mAh Flat Top Li-ion Batteries for Flashlight, Headlamps, etc
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.
- Use Tips : These batteries are Lithium Ion batteries, which will not be affected by charge or discharge cycles , keeping best performance in your devices. rechargeable batteries are leak-proof and can be used in severe cold and heat, which can performs well in extreme environments, it's reliable and safe.
- Product Dimensions: 70*21*21 mm. 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
- Long Lasting Power: Our Rechargeable battery adopts high energy aggregation technology that will last 5 times longer in high drain 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
8.4Good
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9
Yuntunele10% OffYuntunele 21700 Rechargeable Battery, 3.7V Flat Top 2 Pack High Capacity 21700 Batteries Rechargeable for Flashlight
Main highlights- No Standalone lithium batteries are sold with the product
8.3Good
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10
DQGGDQGG 3.7 Volt 21700 Rechargeable Battery 5000mAh Battery 2 Pack Large Capacity Batteries for LED Flashlight, Headlamps, etc
Main highlights- 【Wide Application】5000mAh rechargeable battery, compatible with flashlights headlamps, etc. This kind of battery is bigger than most of batteries, please make sure you are buying the right ones.
- 【Product Advantage】No memory effect, they can be charged many times when fully or partially drained.
- 【Note】These are 21700 battery, please ensure that you are buying the right type of battery
- 【Content】You will get 2 pieces of 21700 batteries
8.2Good
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