... 400W, 800W, 1800W 3.LCD display 4.untility current &solar power can be selected 5.tuv,ec,ISO Specification Home ... battery draw (unit instandby): < 3WUSB 5V, 750 mATransfer Switch Protection (Supplementary Breaker)10A 15A Internal Charger Charging Current 2 ... reset)Battery Battery Capacity 12V, 34Ah12V, 40Ah Battery Type Sealed Lead AcidSafety and Environmental ConformanceConforms to UL 1778 Certified ...