Rechargeable Lithium ion battery pack for STAGEPAS 200. Weight: 0.5 kg (1.1 lbs) Dimensions (W x H x D): 186 x 96 x 39 mm (7.3″ x 3.8″ x 1.5″) Capacity: 79.92 Wh (2700 mAh, 29.6 V)