Weltool UB18-17 (18500) 1700mAh USB Rechargeable Li-ion Battery

Weltool UB18-17 18500 Li-ion battery cells, low internal resistance, high capacity, large discharge current; battery has triple overheat protection: pressure safety valve protection, diaphragm micro hole protection, PTC cathode blocking protection and positive protection circuit with four protections : Overheat protection, overcharge protection, over discharge protection and short circuit protection. The battery positive cap is raised. It is used in the flashlight to contact the positive spring or the PCB contact surface is tighter. Single or multi-cell batteries can be used at the same time. The robust surface labeling process makes the battery protected, safer and more reliable! Specifications: Model: UB18-17 Capacity: 1700mAh Internal resistance: ≤80mΩ Voltage: 3.7V Continuous discharge current Continuous Discharging: 3.4A (≤ 45 ° C) Charging current: 0.8A (Mirco USB interface charging current), 1A (charger charging current) Overcharge protection voltage: 4.3±0.05V Over-disc