inputs.text: simple setup gets job done - wow larger expected guess picturing something like small inverter car rather substantial takes space not terrible surprised opened box guessing 12\\ 12\\ 45\\ deep pretty rough guess thoughit easy hook seehems tricki hooked single 68 watt unisolar panel back garage 68 watt panel iowa puts around 4050 watts midsummerday rather consistently according killawatt meter plugged intoi bought unit left plenty capacity expand small solar setup without buy equipment silent forget really low load not know ever even seen fan runi not basis comparison products since panel ever hooked no complaints would say product works advertisedi diverter switch built panel either dump grid via inverter dump charge controller charge battery 99 time run inverter