YOD72B Brand: Top-Win. Rechargeable but not water resistant. Typical capacity: 5200mAh. Discharge rate: 45C. Brust rate: 50C. Nominal voltage: 3.7V. Connector: T plug. Used on RC cars.   Package Details Weight: 165.85 g Size: 9*4*2 cm Package Includes 1 × Li-Polymer Battery