Rechargeable 18650 Li-ion Battery With Protected Circuit in the Anode. Charge cycle can be up to 500 times, and its negative made of stainless steel for an ideal hardness and durability. Dual layer structure at the positive end and injection-molded protection circuit at negative pole design for better impact-assistance, 1.2 m impact resistance Characteristics: - Large capacity and very high quality - Built-in PCB protection board - No "memory effect", and long battery life - Overcurrent and overload protection - Increased energy density - Low self-discharge - Lightweight - High energy efficiency Technical Specification: - Model : HLB188 - Capacity: 3400mAh - Voltage: 3.7V - Charging Current: 1A(Recommended) - Weight: 47g - Size: Diameter 18.5mm, Height 68.2 mm Warranty Period: 12-month free warranty period from purchase date. CONTAINS： 1x Holyfire 18650 3400mAh Rechargeable Li-ion Battery 1x Retail Box 1x Instruction Manual
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