Hikoki power packs are 100% interchangeable with existing Hitachi slide Li-ion batteries of the same voltage, power supply is stopped when a cell reaches its minimum voltage.
Pros
Optimal safety when recharging
Optimal safety against overloading
Optimal safety against discharge
Product details
When charging, each cell is checked for voltage and the maximum voltage is never exceeded
Electronic management in the battery prevents excessive discharging and monitors the current
The electronic controller in the battery checks the voltage of each individual cell