... capacity: 40Wp,50Wp,60Wp,70Wp,80Wp.The portable solar power system is designed to supply electric power when we enjoy outdoor ... box .3. LCD displays the state of the battery capacity,load power,charge current and voltage.4. AC 220v,110v, DC ... 12V .5. Automatic protection from the short circuit,over-load and over-discharge,the indicator will faults happen.