S-3602U is a dual channel charger for SWIT LB-SU98 battery and compatible with SONY BP-U series batteries. With 2 charging channels, DC 16.7V, 1.9A output, it can charge 2 batteries sequentially to 75% capacity, and then charge both batteries simultaneously to fuS-3602U is a dual channel charger for SWIT LB-SU98 battery and compatible with SONY BP-U series batteries. With 2 charging channels, DC 16.7V, 1.9A output, it can charge 2 batteries sequentially to 75% capacity, and then charge both batteries simultaneously to full. The 4-level LED charging indicators are provided for each channel, which indicate the real time capacity by percentage when charging. ll. The 4-level LED charging indicators are provided for each channel, which indicate the real time capacity by percentage when charging.