● 7 working modes, in mains\solar\energy-saving mode, all equipped with unattended, generator, backlight and output mode adjustable when needed; new status display bar, self-check fault, restart function;
● Protect against inductive lightning strike once when grounding is good;
● Alarm sound can be turned on and off by yourself;
● Real-time digital display of mains charging current;
● Mains charging cut-off voltage is adjustable, and charging current has 11 gea......