1 x 5kW LuxPower LXP 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 5kw inverter provides charging power of 5kw = 5000 watts to the battery. In the case of  a power outage for example, if the load is drawing 1 kwh per hour, a 5kw battery will last 5 hours.