1
Editor's Choice
Cbjj 21700 Rechargeable Battery
CBJJBrand
2.8H*0.83L*0.83W inchesDimension
9.7We rank the products based on several factors, like features, price, customer reviews, and so on.
Rating: Excellent
Price: $$
Save 5% + FreeShipping
Visit Store » FuyinMY Technology ( 4.52 / 5 )
Features
- Product Dimensions - 71*21*21 mm(2.80*0.83*0.83 inch). NOTE - This is 3.7v 21700 battery, please refer to the images to confirm the battery model and battery size to select the appropriate battery before purchase
- High Performance - This 3.7v 21700 li-ion battery is with 5000mAh large capacity which supports stable power for your devices and effectively prevents damage of the devices, such a perfect replacement battery for used devices with high frequency
- Multiple Protections - This 3.7v 21700 rechargeable battery is without any memory effect and provide multiple protections,including short circuit, overcharge, and overcurrent protection. Prefectly make the battery to be more stable and safe to protect your devices
- Wide Compatibility - These rechargeable 21700 batteries are widely used in various devices, including flashlights, headlamps, path-lights, doorbells , power banks and more. Portable & lightweight items for home use and outdoor use. NOTE - Please fully charge the products before use
- Warm Service - All of products have passed strict testing for normal use. If you have any question, please feel free to contact us, we'll reply email ASAP
2
Editor's Choice
Svenirven 2Pcs 5000Mah 217Oo 3.6V Flat Top Rechargeable Li-Ion Battery Green With Battery Organizer
SVENIRVENBrand
9.6We rank the products based on several factors, like features, price, customer reviews, and so on.
Rating: Excellent
Price: $$
FreeShipping
Visit Store » Svenir ( 4.87 / 5 )
3
Editor's Choice
Bwiete Flat Top Imren 3500Mah 30A Batteries 3.7V Lithium Ion For Camera,Toys
BWIETEBrand
9.3We rank the products based on several factors, like features, price, customer reviews, and so on.
Rating: Excellent
Price: $$
Save 15% + FreeShipping
Visit Store » Bangde Technology ( 4.04 / 5 )
Features
- Versatile and User-Friendly - Suitable for a range of devices like LED torches and toys, with a 12-month shelf life and excellent after-sales support.
4
Svenirven 21700 Rechargeable Battery 3.7V 21700Genuine Flat Top 2 Pack Lithium Batteries For Led Flashlight Headlamp
SVENIRVENBrand
9.1We rank the products based on several factors, like features, price, customer reviews, and so on.
Rating: Excellent
Price: $$
Save 10% + FreeShipping
Visit Store » Svenir ( 4.87 / 5 )
Features
- Svenirven Battery
5
Benkia 21700 Rechargeable Battery 3.7V 5000Mah Large Capacity Flat Top 4 Pack Lithium Batteries For Led Flashlight Headlamp
BENKIABrand
9.0We rank the products based on several factors, like features, price, customer reviews, and so on.
Rating: Very Good
Price: $$$
Visit Store » Jiuge Direct ( 4.61 / 5 )
Features
- Dimension -Flat Top size - 70*21*21mm(2.76*0.83*0.83inches). NOTE - Please confirm whether the battery size and battery type before purchase
- Multi-Application - Large capacity 21700 rechargeable battery is compatible with versatile devices, such as headlamps, flashlights, doorbells,small fans,remote controls, alarm clock,toys,etc. Helps you start your devices quickly
- High Capacity - Long lasting 5000mAh 21700 battery, easy to charge. Support stable 3.7volt output voltage, makes the devices work more stable and lasting longer, ideal replacement batteries for high frequently used devices
- High Performance - 21700 Battery has no memory effect, More than 1000 cycles of complete charge and discharge cycles.Efficient and large capacity battery provides reliable power support for your daily use and emergencies
- Warm tips - Please fully charge the battery after receiving the goods, when the battery is too low, please charge it in time, which will help to extend the number of times the battery is used
6
Yuntunele Ncr217Oot Rechargeable Battery 3.7 Volt Battery 2Packs Li-Ion 21700 Batteries Rechargeable For Headlamp Flashlight
YUNTUNELEBrand
9.0We rank the products based on several factors, like features, price, customer reviews, and so on.
Rating: Very Good
Price: $$
FreeShipping
Visit Store » Yuntunele ( 4.89 / 5 )
Features
- Yuntunele Upgraded Battery
7
Cwuu 21700 Rechargeable Battery 3.7V Li-Ion Cell 5000Mah Large Capacity For Headlamp
CWUUBrand
8.9We rank the products based on several factors, like features, price, customer reviews, and so on.
Rating: Very Good
Price: $$
FreeShipping
Visit Store » Changhui Technology ( 4.38 / 5 )
Features
- Size - 70mm x 21mmx 21mm(2.75*0.82*0.82 inches) ; Battery must be FULLY charged before first use.
- Versatile Battery - 3.7 volt rechargeable battery 21700 is versatile and can be used for a variety of electronic devices, including LED torches, portable devices, headlights, toys and other household appliances.
- Environmentally Friendly - 21700 rechargeable battery supports multiple charging and discharging cycles without memory effect, 1 pack rechargeable battery is equivalent to 1000 packs disposable batteries. Designed with multiple protection functions, such as over-charging, over-discharging and short-circuit protection, to ensure safe and reliable use.
- Warm After-sales Service - If you have any problems, please feel free to contact us. We will solve the problem for you ASAP.
8
Benkia 21700 Rechargeable Battery 5000Mah High Capacity 3.7V Flat Top 2 Pack 21700 Batteries Rechargeable For Headlamp Flashlight
BENKIABrand
0.83H*2.76L*0.83W inchesDimension
8.9We rank the products based on several factors, like features, price, customer reviews, and so on.
Rating: Very Good
Price: $$
FreeShipping
Visit Store » Jiuge Direct ( 4.61 / 5 )
Features
- 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
- 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 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
- 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
- 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
9
Mlgbdc 2Pcs 21700 5000Mah Rechargeable Battery And Charger,3.7Volt High Capacity,21700 Battery For Strong Flashlight And Other Electronic Devices.
MLGBDCBrand
0.28H*0.83L*0.83W inchesDimension
8.9We rank the products based on several factors, like features, price, customer reviews, and so on.
Rating: Very Good
Price: $$
Save 16%
Visit Store » HeZeXinHaoYunWangLuoXiaoShouGongSi ( 1.0 / 5 )
Features
- 21700-5000mAh flat top rechargeable battery with charger , Please pay attention to the size before you buy.
- Product size - 70*21*21mm (2.76*0.83*0.83 inch),21700 3.7V batteries.
- Multi-Application - 21700 5000mAh Rechargeable Battery for headlamps, flashlights, doorbells,alarm clock,toys and other necessary devices
- High Performance - With a large capacity of 5000mAh 21700 rechargeable batteries can last at least 20% longer than other batteries, perfect replacement battery for used devices with high frequency
- Safety Protection - This product provides 6 types of protection, such as temperature protection, short circuit protection, overcharge protection to stabilize the batter
10
Generic 21700 Rechargeable Battery 3.7V Flat Top Lithium Battery 5000Mah For Flashlights Headlamps Cameras Toys Etc
GENERICBrand
8.7We rank the products based on several factors, like features, price, customer reviews, and so on.
Rating: Very Good
Price: $$
Visit Store » Duojie Supply ( 4.6 / 5 )
Features
- Application - 21700 battery are usually used in Flashlights, Headlamps, Toys, Doorbells, Cameras, etc. Many power tools need this kind of battery to work.
- 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
11
Cwuu 3.7V 21700 Rechargeable Battery
CWUUBrand
8.5We rank the products based on several factors, like features, price, customer reviews, and so on.
Rating: Very Good
Price: $$
FreeShipping
Visit Store » Yuanwan Technology ( 4.37 / 5 )
Features
- Wide Compatibility - 3.7 volts 21700 rechargeable battery can be widely well-suited for LED flashlights, healamps, solar lights, emergency lights, doorbells, toys, game controller, remote controls and other electronic devices
- Product Parameters - Product size - 2.80*0.82inch (71*21mm). Please carefully confirm whether your device is suitable before purchasing
- 5000mAh High Capacity - 3.7V li-ion 21700 battery is with 5000mAh high capacity that can provide stable voltage and long-lasting battery life for long term use in lots of devices
- Safe Protections - Rechargeable 3.7v battery can be cycled more than 1000 times with no memory effect. Designed with multiple safety features, including over-charge, over-discharge, over-heat and short-circuit protection.Premium Li-ion cells for longer battery life
- Quality Service - If you have any questions about ours products, please feel free to contact us, we will provide you with professional solutions and satisfactory services as soon as possible.
12
Dqgg 3.7 Volt 21700 Rechargeable Battery With Charger 5000Mah Battery 2Pcs Large Capacity Batteries For Led Flashlight
DQGGBrand
0.83H*2.75L*1.65W inchesDimension
8.5We rank the products based on several factors, like features, price, customer reviews, and so on.
Rating: Very Good
Price: $$
FreeShipping
Visit Store » WanTang Tech ( 4.24 / 5 )
Features
- Wide Application - 5000mAh rechargeable battery, compatible with Flashlight, Headlamps, Doorbells, Toys, Cameras, etc.
- Product Advantage - No memory effect, they can be charged many times when fully or partially drained.
- Content - You will get 2 pieces of 21700 batteries and 1 charger.
- Note - These are 21700 battery, this kind of battery is bigger than most of batteries, such as AA, AAA batteries, please make sure you are buying the right ones.
13
Cpzz 21700 Battery 5000Mah High Capacity 3.7Volt 21700 Rechargeable Battery 3.7V Battery For Flashlights
CPZZBrand
8.3We rank the products based on several factors, like features, price, customer reviews, and so on.
Rating: Very Good
Price: $$$
Visit Store » Liming Technology ( 4.42 / 5 )
Features
- Widely Compatible - 3.7 volt 21700 Rechargeable battery for flashlights, headlights, this 3.7v battery is highly portable, making it convenient for travel, camping trips.
- Product Size - 21*21*70 mm (0.82*0.82*2.75 inches),it's a 3.7 volt rechargeable battery, please check carefully before purchasing !!!).Please confirm whether the battery model required by your device.
- High performance product - 21700 battery With a capacity of 5000mAh and voltage of 3.7v battery, high capacity battery with low discharge rate, high power consumption, high energy density and pollution-free design, No need to change batteries frequently.
- Multiple Protections - This 3.7v Rechargeable battery features six types of protection, including temperature, short circuit, overcharge, and overcurrent protection. These features ensure the battery remains stable and your device stays protected at all times.Please fully charge the battery before the first use, the battery will work better. Charge up to 1000 times without frequent battery changes.
- High-quality service - Every product is inspected before shipping! If you encounter any problems during the purchase process, please feel free to contact us.
14
Soocool Usb 21700 Charger Genuine Imren4600-Usb Rechargeable 3.7V Battery
SOOCOOLBrand
8.2We rank the products based on several factors, like features, price, customer reviews, and so on.
Rating: Very Good
Price: $$$
FreeShipping
Visit Store » SOOCOOL Christmas Surprise ( 4.68 / 5 )
Features
- Type C USB Charge - Simply charge with high quality USB cable, no additional battery charger required.
- 100% Real 4600 mAh Capacity, 100% Authentic IMREN4600 product.
- Safety Guranteed. Built-in integrated safety circuit protects battery from over-charge, over-discharge, short-circuit and over-heat. Charging indicator light - charging in red, charged to full in green. Free protective plastic case included.
- Wide Applications to all devices need 3.7v battery, such as Power bank, Microphone, Game pad, Laser Pointer, Flashlight, Headlight, LED light, Camera, Toy etc.
- Specifications - 3.7v/ 4600 mAh/ Max continuous discharging 8A/ 21.5mm x 75mm. Note - Little bit longer than Flat Top type. Bigger and longer than AA and AAA battery. Please confirm the right type and size before order.
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Hw 3.7V Usb Rechargeable Lithium Batteries, Reliable True 3500 Mah (13000Mwh) 18M Long-Lasting High Performance Battery
HWBrand
0.71H*2.56L*0.71W inchesDimension
0.24 lbWeight
8.1We rank the products based on several factors, like features, price, customer reviews, and so on.
Rating: Very Good
Price: $$
FreeShipping
Visit Store » TIGER HEAD HI WATT BATTERY HK CO LTD ( 4.87 / 5 )
Features
- Note - THE BATTERY IS BATTOM TOP TYPE, , size is 70MMX 18.5MM, slightly longer than a regular 3.7V battery due to its higher capacity. Please check if your device is compatible with the battery. HW usb rechargeable batteries- 3.7V lithium batteries used for flashlight, toys, headlamps and other household devices. This product is NOT sold with restricted lithium-ion standalone batteries. This product does NOT include lithium-ion battery types - 14500, 16340, , 20700, 21700 and 26650
- Reliable True Capacity 3500 mAh - HW 3.7V 18mm Rechargeable Battery provide actual 3500mah capacity, long-lasting and reuseable. Those batteries that claim to exceed 5000mah, their actual capacity will be much lower.
- Built-in micro USB port - easy to charge with the included 2 in 1 USB cable, no additional battery charger required, just plug into any USB port at anytime and anywhere, more than 1200 cycles, eco-friendly and save money.
- Safety Assurance - built-in integrated safety circuit protects battery from over-charge, over-discharge, short-circuit and over-heat, ensures complete safety for the battery charging
- High performance - HW 3.7V Li-ion batteries with 3500mAh capacity, support stable 3.7volt output voltage, makes the devices work more stable and lasting longer, great replacement batteries for high frequently used devices.
- Environmentally Friendly Rechargeable 3.7v Battery - As a professional battery manufacturer, HW always adheres to the research and development of efficient and energy-saving rechargeable batteries. Compared to alkaline batteries, rechargeable batteries have over 1200cycles, low self discharge, and constant voltage, providing more stable power supply to devices. Recyclable charging for use, saving expenses and reducing environmental pollution.
- Note - The batteries were only precharged 50%-60% of capacity - Please fully charge the batteries when you get it, new battery can achieve the best performance after experiences 3-5 cycles of charge & discharge.
16
Benkia 21700 Rechargeable Battery 3.7 Volt Lithium 5000Mah High Capacity 2 Pack For Led Flashlights Headlamps
BENKIABrand
8.1We rank the products based on several factors, like features, price, customer reviews, and so on.
Rating: Very Good
Price: $$
Save 5%
Visit Store » Jiuge Direct ( 4.61 / 5 )
Features
- 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
- 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 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
- 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
- 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
17
Dqgg 18650 Rechargeable Battery 3.7 Volt 3500Mah 2Pcs Large Capacity Batteries For Led Flashlight
DQGGBrand
0.71H*2.56L*0.71W inchesDimension
7.9We rank the products based on several factors, like features, price, customer reviews, and so on.
Rating: Good
Price: $$
Save 9% + FreeShipping
Visit Store » WanTang Tech ( 4.24 / 5 )
Features
- Wide Application - 3500mAh rechargeable flat top battery, compatible with flashlights headlamps, doorbells, cameras, small fans, etc. Helps you power up your devices at any time
- Product Advantage - No memory effect, they can be charged many times when fully or partially drained.
- Note - These are FLAT top battery, that means both ends of it are flat. Please ensure that you are buying the right type of battery
- Content - You will get 2 pieces of FLAT top 18650 batteries
- Warm Service - With no reason, you have right to return or replace the battery in 30 days.
18
Generic 21700 Rechargeable Battery 3.7V Flat Top Lithium Battery 5000Mah For Flashlights Headlamps Cameras Toys Etc
GENERICBrand
7.8We rank the products based on several factors, like features, price, customer reviews, and so on.
Rating: Good
Price: $$$
Visit Store » Duojie Supply ( 4.6 / 5 )
Features
- Application - 21700 battery are usually used in Flashlights, Headlamps, Toys, Doorbells, Cameras, etc. Many power tools need this kind of battery to work.
- 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 4 cells of 21700 rechargeable batteries, no charger included
19
Afsongoo 3.7 Volt Rechargeable Battery 3000Mah Battery 2Pack Large Capacity Batteries For Headlamp,Led Flashlight,Mini Fans Etc (Flat Top,Blue)…
AFSONGOOBrand
7.6We rank the products based on several factors, like features, price, customer reviews, and so on.
Rating: Good
Price: $
FreeShipping
Visit Store » AFSONGOO ( 4.92 / 5 )
Features
- Wide Compatibility - Widely used for LED flashlights, solar lights, racing, game controller, emergency lights, portable devices, headlamps, toys, remote controls, doorbells and other electronic devices.
- 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.
- 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.
20
Imren 3.7V Button Top Battery,4500Mah Rechargeable Battery With Usb-C Cable For Fenix Usb-C Rechargeable Led Series Flashlights
IMRENBrand
7.6We rank the products based on several factors, like features, price, customer reviews, and so on.
Rating: Good
Price: $
Save 32% + FreeShipping
Visit Store » IMREN Direct ( 4.67 / 5 )
Features
- Battery Capacity - 4500mAh
- Battery Size - SIZE - 21mm x 75mm (8.27''x29.53'')
- Built in USB-C port - USB-C port for charging battery. LED Indicator light is red while charging, blue is finished
- Fits for - Fenix USB-C Rechargeable LED Series Flashlights,toys, doorbells, headlamps and other household devices
- Pakage -Batteries(size - 21mm x 75mm) x 1; 1 charging cableBatteries case x 1