... accumulator charger device which design for the control panel, providing with intelligent charge, auto protection, and over current prevention functions. ... The output voltage can be adjusted. Auto protection on fault condition. Provided over current protection, short connect protection functions and ... ≥AC1500V;Output to crust ≥ DC500V MTBF:≥50000h. CM20 Combine with 12V and 24V Auto Battery Charger