Luminous solar 1800 is a powerful hybrid inverter with 40 amp inbuilt charge controller. It is india's most intelligent solar system which gives priority to solar power use to save on electricity bills. The solar inverter charges the battery from grid and solar panel both. If sun energy is available then it charges the battery from solar panel and if solar is not available, then the inverter charges the battery from mains/grid. It can charge the battery and supply solar power to connected load if solar generation is sufficient otherwise it gives first priority to solar battery charging and then supply additional power to connected loads. Product descriptions key feature solar hybrid inverter with inbuilt pwm charge controller running load 5 lights, 5 ceiling fan, 1 television, 1 water cooler battery support all brands and all types battery system double battery / 24v weight 12 kg. Dimension in cm 37 * 31 *13 technical details wave type pure sine wave rated capcity 1500 va voltage windwo (eco mode): 100 v – 290v voltage window (ups mode) 180v – 260 v full battery recharge time 10-12 hrs charge controller rating 40 amp/ 24v dc load output 12 v / 5 amp protection overload, deep discharge, short-circuit, battery low cut off electricity savings of 3 to 5 units per day.