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21700 power lithium battery, 4000mAH, 4500mAH, 5000mAh. Can replace 18650, saving huge costs. The positive and negative electrodes have not been soldered, so it is better to use nickel. The battery has a very high safety personality and excellent quality!!! Battery voltage internal resistance paired 21700 high-capacity batteries are suitable for: electric bicycle batteries, mobile power supplies, strong flashlights, multiple series and parallel battery packs, curly hair heating rods, skateboards, LED lights, mining lights, street lights, backup power supplies, computers, mobile devices, etc. [Product Features] 1. Each box of this battery cell contains 100PCS, which is a box with high consistency 2. Features: High safety performance, no explosion, no combustion; Non toxic and pollution-free; Good consistency, long lifespan, with more than 1000 cycles; Good high-temperature resistance and resistance to overcharging 3. Safety: The battery has excellent safety and will not ignite or explode. The product is suitable for electric tools, aircraft models, and some electrical appliances with high current loads and high cycling performance requirements.

Minimum Order: 5000

2700 lifepo4 battery is a mature cylindrical battery, widely used in many fields like lighting, power supply, motive power supply. UPS, Electric Power, Lighting, Electric Bicycle, Medicle Device,etc. Features: No memory effect Ready to charge and use at any time Stable voltage Effectively preventing damage to the host caused by unstable currents Low energy consumption The battery adopts low self discharge technology to reduce the natural loss of electricity Stable performance Service life 2000 times Application areas: Two wheeled bicycles, Lithium batteries are widely used in various fields: digital products, medical equipment, public equipment, communication equipment, automobiles, drones, small household appliances, portable energy storage, etc.

Minimum Order: 20000

3C Discharge rate 18650 2200mAH, 2500mAH, 3000mAH,3500mAH,3800mah lithium battery Long cycle: supports 1000 cycle lengths; High discharge rate: Supports 1C,2C,3C,10A discharge cycle; Low temperature rise: has lower internal resistance and lower discharge temperature rise; Application areas: Two wheeled bicycles, small household appliances, portable energy storage, etc. Application areas: Two wheeled bicycles, small household appliances, portable energy storage, etc.

Minimum Order: 20000

Application: Consumer Electronics Brand Name: Ufine Model Number: 902030 Battery Size: 9*20*32mm Place of Origin: Guangdong, China Weight: Typically 9.6g The charging ratio: Typically 0.5C to 1C The discharge rate: Typically 0.5C to 1C Capacity: 500mAh Nominal Voltage: 3.7V Charging voltage: 4.2V Charging Temperature: 0℃ to 45℃ Discharging Temperature: -20℃ to 60℃ Cycle Life: Typically 500 to 800 cycles Internal Resistance: less than 180mΩ Certification: KC UL1642 UN38.3 CE

Minimum Order: 5 dozens

Brand Name: UFX Model Number: 103040 Battery Size: 10*30*42mm Weight: Typically 21.8g Capacity: 1200mAh Nominal Voltage: 3.7V Charging voltage: 4.2V Charging Temperature: 0℃ to 45℃ Discharging Temperature: -20℃ to 60℃ Cycle Life: Typically 500 to 800 cycles

Minimum Order: 5 dozens

Application: Home Appliances, SUBMARINES, Electric Power Systems Brand Name: UFine Model Number: 951768 Battery Size: 9.5*17*70mm Place of Origin: Guangdong, China Weight: Typically 19.6g The charging ratio: Typically 0.5C to 1C The discharge rate: Typically 0.5C to 1C Capacity: 1200mAh Nominal Voltage: 3.7V Charging Temperature: 0℃ to 45℃ Discharging Temperature: -20℃ to 60℃ Cycle Life: Typically 500 to 800 cycles Internal Resistance: less than 180mΩ Certification: KC UL(tuv)1642 UN38.3

Minimum Order: 5 dozens

Application: Toys, Home Appliances, Consumer Electronics Brand Name: Ufine Model Number: UFX 6080130 Battery Size: 6*80*132mm Place of Origin: Guangdong, China Weight: 137g The charging ratio: 0.5C The discharge rate: 0.5C Battery type: Li-polymer Battery Chargeable: Yes Certification msds

Minimum Order: 5 dozens

Model Number: UFX18650-3S Place of Origin: Guangdong, China Weight: 143g Capacity: 2600mAh Nominal Voltage: 11.1V Charging voltage: 12.6V Dimension: 18*54*67mm Cycle Life: Typically 500 to 800 cycles

Minimum Order: 5 dozens

Model Number: UFX502035 Battery Size: 5*20*37mm Weight: 5g Capacity: 200mAh Nominal Voltage: 3.2V Cycle Life: Typically 500 to 800 cycles

Minimum Order: 5 dozens

Brand Name: UFX Model Number: 702025 Battery Size: 7*20*27mm Weight: 7.5g Capacity: 300mAh Nominal Voltage: 3.7V Charging voltage: 4.2V Discharging Temperature: -20°C to 60°C Storage Temperature: 0°C to 45°C Cycle Life: Typically 500 to 800 cycles

Minimum Order: 5 dozens

- Ufine is a collection of R&D, design, production, sales for the integration of high-tech industry company. Since 2015, UFINE has designed and produced more than 1000 specs of battery, including Lithium ion battery lithium iron phosphate battery, ultra thin special-shaped lithium battery, low temperature resistance lithium ion battery. At present, we have more than 200 production personnel, over 30 R&D experts, and a sales team with over 35 professionals. - World-leading Lithium Polymer Battery Manufacturer And Supplier！ UfineBattery has specialized in the R&D and production of lithium polymer batteries, lithium iron phosphate batteries, ultra-thin batteries, battery packs, and low-temperature batteries for 15 years. China's professional lithium polymer battery manufacturers and suppliers！

Minimum Order: 5 dozens