12V UPS / Battery Charger

Job ID: 32830721

Budget: £750 – £1,500 GBP

I need an electrical engineer for a 12V UPS build. I have a 12V 2040Wh LiFePO4 battery and an equipment load of approx 30A. The finished product would power this equipment and charge the battery when powered through 240v, it would switchover to battery power if the 240v source is cut.