Genuine Mercedes-Benz 5A Battery Charger with Trickle Charge Function. New energy: this compact, cutting-edge charger is specially tailored to Mercedes-Benz requirements. It Reassuring: no damage to electronics connected to battery. The system is protected against sparks, short-circuit and reverse voltage, water jets and dust particles (IP65). Charges with the correct voltage and correct charging current. User-friendly: fully automatic, 4-stage charging. Pulsed trickle charge function. Ensures longest possible battery life. Capable of charging totally flat batteries.