DMW-BLJ31 (li-ion battery pack: 7.4V, 3050mAh, 23Wh) (sold separately)Approx. 660 images (rear monitor) with DC-S1R and S-R24105
Approx. 148.7 x 49.5 x 80.3 mm / 4.85 x 4.95 x 8.02 cm (excluding the projecting parts)Approx. 406 g / 0.895 lb (main unit and battery) Approx. 295 g / 0.650 lb (main unit and terminal cover)