Features: - Optimal for high-drain devices - Using an innovational positive protection circuit and its positions on the positive of battery which is different from traditional circuit protecting board placement - Over discharge current protection - Over discharge voltage protection - Short circuit protection - Overcharge protection - Up to 500 charge and discharge cycles - Maximum 4A constant discharging current - Improved Battery Safety Free from Leakage of Liquid Electrolyte - Low Battery Internal Impedance Specifications: - Type: 18650-3400mAh - Model No: ORB-186P34 - Chemistry: Li-ion - Battery Capacity: 3400mAh - Voltage: 3.6V - Maximum Charge Current: 2A - Maximum Discharge Current: 4A - Charge Current: 1A Recommended - Charging Cycle: 500 - Weight: 48.27g - Dimensions (Diameter x Height): 18.5 × 69mm NB: Not for Vaping What's in the box 1 x 18650 3400 mAh Battery