551225 3.7V 130mAh Lithium Polymer Battery Rechargeable OEM ODM Custom Lipo Cell Product Overview 551225 3.7V 130mAh 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 551225 Battery Type Li-polymer Battery Size 4.6×12×25mm (T×W×L) Nominal Voltage 3.7V Nominal Capacity 130mAh Charging Voltage 4.2V Cut-off Voltage 3.0V Standard