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3.7V 4200mAh 18650 Rechargeable Li-ion Battery

UltraFire BRC 18650 3.7V 4200mAh Rechargeable Lithium Battery
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  • Chemical Composition: Li-Ion
  • Type: 18650 Battery
  • Voltage: 3.7V 
  • Energy Capacity: 4200 mAh (The actual capacity is 2200 mAh approx.)
  • Certificate: CE, UL, FCC, RoHS, ISO9001
  • Charging Temperature: 0°C~45°C
  • Discharging Temperature: -20°C~50°C
  • Safe and environmentally friendly
  • High energy density, long life battery
  • No memory effect, recharge up to 1000 cycles
  • Size: 0.8*0.8*6.2cm (L*W*H)
  • Durable in low and high-temperature operations
  • Suitable for laser pointer, flashlight, torch, and other electronic products.

This battery is a relatively new cell with improved chemistry that allows a typical capacity of 4200mAh, and an amp rating of 2200 mA. 

Caution: Do not overcharge. Handle with care.

Note: According to different conditions, battery capacity can be divided into actual capacity, theoretical capacity also called rated capacity. Battery capacity refers to the battery storage capacity. The unit is "mAh", 1Ah = 1000mAh, so there are some differences between rated capacity and actual capacity in Li-ion Battery. It is normal and reasonable.