... storage batteries: DC24v 400AH (4pcs DC12v 200AH storage batteries)3. inverter: DC24v, 1500W (AC110v-220v, 50/60HZ) 1PC4.Controller: ... choosed). It's used to fill in storage batteries, inverter,controller, power, fuse etc. 1Set 800w solar energy system ... structure according toreal installation site1 setTo assembly the controller, inverter, storage batteries etc 800w solar energy system, solar energy ...