451520 3.7V 85mAh Lithium Polymer Battery Rechargeable High Capacity Factory Supply Product Overview 451520 3.7V 85mAh Lithium Polymer Battery – a rechargeable lithium-polymer pouch cell engineered by VATS Battery for reliable, long-lasting power in modern electronic devices. Parameter Specification Model Number 451520 Battery Type Li-polymer Battery Size 3.0×15×20mm (T×W×L) Nominal Voltage 3.7V Nominal Capacity 85mAh Charging Voltage 4.2V Cut-off Voltage 3.0V Standard