Battery type: Li-Ion - no memory-effect Capacity: 2600 mAh Voltage: 7.2 V Energy: 18.72 Wh Colour: black Number of cells: 2 Weight: 103 g Compatible with the following device models: Phase One P30+ Phase One P30 Phase One P25+ Phase One P25 Phase One P24 Phase One P-Back To ensure compatibility, please check to see whether the battery you are currently using is listed below. Replacement for: 30900061 .