This type of Reserved Power Equipment are widely used in Tubular Motor,Rolling Shutter Motor,Garage ... Features:1. When UPS connect to AC220V, turn on the power switch of UPS, it will charge itself automatically.2. ... kind of UPS for choosing, rated power: one is 600W, one is 1000W. Protect output power: one is 750W, one is ... can't be operated and will change itself automatically Reserved Power Equipment