603443 3.7V 900mAh Lithium Polymer Battery Rechargeable Factory Supply Grade A Cell Product Overview 603443 3.7V 900mAh 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 603443 Battery Type Li-polymer Battery Size 6.5×34×43mm (T×W×L) Nominal Voltage 3.7V Nominal Capacity 900mAh Charging Voltage 4.2V Cut-off Voltage 3.0V Standard