Graupner A400

Simple and cheap charger, especially for beginner pilots. The charger is powered from the mains, so you do not need any external source. Graupner A400 can charge 3S and 4S batteries using a balance connector. The power of 40W is ideal for 4S batteries with a capacity of around 1500mAh, which are common on racing helicopters. A simple display shows the battery voltage and charging status. Simply plug in the charger, plug in the balance connector and the charger will take care of the rest.