Luminous 3.5 KVA PCU NXT Battery - Luminous Solar Battery150 Ah (4 nos.) Solar Panels - 3 Kwp (375 watt * 9 nos) Backup time* Load 1000 W 800 W 600 W 400 W 200 W Duration 4 hrs 40 mint 6 hrs 9 hrs 15 hrs 37 hrs Technical Details inverter model NXT 130 inverter capacity 3.75 KVA efficiency Inverter - 97%, Module >16% module type mono-crystalline battery included yes standard installation included Yes installation cost ₹15000 per kwp protections Overload, deep discharge, short-circuit, Battery low cut off