10
Power Mode 4. By AC electricity and back-up batteries, use the AC
electricity and the solar panel to charge the batteries at the same time
If the AC electricity failure happens frequently and lasts for a long time (maybe 4-5 days one time), then you
can charge the batteries with the AC electricity and the solar panel at the same time. The capacity of the
batteries should be at least 7Ah and the power of the solar panel should be at least 20W in this situation. You
can connect the AC electricity following the “
Power Mode 1
” and the batteries & the solar panels & solar
controller refer to the following wiring diagram.
