For battery: 700 to 1,800mA, AAA/AA Ni-Cd or Ni-MH battery
Charge current: 300 to 500mA
Charge mode: constant voltage + PWM and trickle
The two-color LED shows the charging status: red and green lights are off (no battery or the maximum time is over); the red light (in charging); green light (fully charged)
Basis of when the battery is full charged: -ΔV and 0V or the maximum time to 6 hours is over