1. CPU controlling the process of charging and discharging.
2. Charge technology with constant current first & constant voltage later.
3. Double colors LED indicating the charging and full charge state.
4. The current is 800mA when charging with constant current.
5. The voltage is 4.2V±0.1V when the battery is fully charged.
6. External AC/DC adapter.
7. Fit for Motorola MTP800/850 TETRA two way radio battery.