• Is your Dual Power battery out of power? The charging time is between 2 and 2.5 hours for the 2x20 V battery and +/-40 minutes for the 20 V battery. Once the battery is charged, a red indicator light will turn green and you can continue working. • The charger is designed for the 20 V and 2x20 V Dual Power battery. • Charger cable length: 1.8 m • Charger weight: 474.6 g • Average charging time for 20 V battery: 40 min. • Average charging time for 2x20 V battery: 2 – 2.5 hours