Sizing

How big a system do you need?

Enter what runs at the same time, and for how many hours. You get the load, the peak, the battery energy and the system class.

What runs at the same time

LED bulbs9 W eachCeiling fans60 W eachLED TVabout 100 WWi-Fi router and modemabout 15 WLaptop with chargerabout 65 WDesktop computer and monitorabout 250 WRefrigeratorstarts at about 3xInverter split AC, 1.5 tonstarts gentlyNon-inverter AC, 1.5 tonlarge start-up surgeWater pump, 1 hpstarts at about 3xCCTV, 8 cameras and recorderalways onPOS terminal and printerper counterNetwork rack: switch and access pointalways onCommercial refrigeratorstarts at about 3xMotor or machine, 1.5 kWstarts at about 3x

Hours of backup wanted

I plan to add solar panels

The energy figure adds about 10 % for inverter losses and a 20 % reserve. It is a planning estimate from typical ratings; we confirm it against your nameplates and wiring before quoting.