| Function introduction | ||
| Function | Function description | |
| 1-1 | Charging battery type | Li-ion, Ni-Mh |
| 1-2 | Safety protection function | Test if short circuit when starting charging |
| 1-3 | Charging process controlling | Precharging, constant current charging and constant voltage charging |
| 1-4 | Status indicator | LED Off: standby RED ON: Charging GREEN ON: Charging completed RED Quick flash: Mal-functional |