RV 12-28 Battery CyberPower Professional series RV 12-28, voltage 12V, capacity discharge 20 h 29.4Ah, capacity discharge 10 h 31.5Ah, max. discharge current 5 sec 390A, max. charge current 9A, lead-acid type AGM, terminals under bolt M6, LxWxH 166x175x125mm., full height with terminals 125mm., weight 10.3kg., operational life 8 years