SWIT PB-C420S | 420Wh High-load Heavy-duty Battery, V-Mount, also ideal for long term use or high power draw lights SWIT Exclusive Quality; 420Wh only 2.07kg; also ideal for long term use or high power draw lights with 250W/20A costant output (peak 305W); 1m Drop-Off really tested, Protected with Dual Housing; Multiple circuits and peak-current protections; 2xD-tap in/out 150W/10A in total; Power info on SONY/RED; 4-LED indicators;Only 3.9 hours(80%) with 6A fast charging (by SWIT PC-P461S/460S/S-3812S) and 5.3hours full charged; 14.4V V-mount; 15.5x10x8cm