702530 3.7V 500mAh Lithium Polymer Battery Rechargeable Custom Lipo Cell High Capacity 702530 3.7V 500mAh Lithium Polymer Battery – a rechargeable lithium-polymer pouch cell engineered by VATS Battery for reliable, long-lasting power in modern electronic devices. Technical Specifications Parameter Specification Model Number 702530 Battery Type Li-polymer Battery Size 7.0×25×30mm (T×W×L) Nominal Voltage 3.7V Nominal Capacity 500mAh Charging Voltage 4.2V Cut-off Voltage 3.0V