For the all essentials like many lights, television, DSTV, WIFI, laptop and a fridge, microwave and dishwasher. Batteries charge directly from the grid.
 
1 x 5kW LuxPower SNA Inverter
1 x 5.1kW Lithium Battery
No panels included
Hybrid is Panel Ready
Installation included
COC
5 Year warranty on inverter & 10 year warranty on battery
 
In perfect conditions, a 8kw inverter provides charging power of 8kw = 8000 watts to the battery. In the case of  a power outage for example, if the load is drawing 1 kwh per hour, 2 x 5kw (10kw) batteries will last 10 hours.