DIY Lithium UPS teardown
Channel: Thomas James
Date: 2016-11-23

Due to several requests I have uploaded this video. It shows how my UPS works. Basically a 240v relay switches the output from either 240v or 240v from the inverter. The Lipo battery is always connected to the inverter via a BMS (Battery Management System). There is also a new 12v DC regulated power supply. The BMS takes care of the charging and discharging and balancing of the cells. This BMS can supply 60A maximum but because there is only a 600w inverter the maximum current draw will be 50A.