ISDT D2 is a dual channel 200W 20A Smart Balance charger for various types of batteries. You can charge, discharge, storage or balance cells of 2 different types of batteries simultaneously. ISDT D2 supports charging current up to 12A and safely can charge 2 different types of batteries fast. You can also charge your smart devices using a USB port on the side of the charger that supplies 5V/2A current. ISDT D2 delivers an exceptional performance for battery charging. It has dual cooling fans that keep the charger cool even when you are charging two 6S high mAh batteries. Specially developed smart charging Operating system takes care of most of the batteries charging parameters by automatically detecting battery type as soon as you connect a battery and setting up the best default values for charging the battery with optimum performance. It’s a great charger and a must have for hobbyists who charge small amount of various batteries daily.