Efficient charger adapter with zero Watt Technology for 1 – 4 Akkus. After successful charging, no power consumption through automatic power disconnection. Pulse charging for at least 1 hr prior to the automatic power disconnection. Multiple overload protection to charge your battery safely and securely. Broader access 100 – 240 V and 12 V Adapter to charge your batteries during holidays and also on the way. The Zero-Watt technology saves not only the environment but is also light on your wallet.