SWIT S-3602F Dual Charger/Adapter 

The SWIT S-3602F Dual Charger/Adapter has two charging channels with 7-8.4 VDC, 2A output each for simultaneously charging two batteries. It is compatible with the SWIT S-8972/S-8970 and Sony L series batteries. Four-level LED charging indicators for each channel indicate the percentage of charge remaining.

The dual charger also has two 5.5/2.1mm DC pole sockets to provide 8.4V, 3.5A (total) DC adapting output. The S-7500F dummy adapter is included for adapting Sony HVR-V1E, HVR-Z1E, and Z7E cameras or equipment with the corresponding battery mounts. Both channels can simultaneously provide DC output to the connected cameras/accessories or one channel can be used to charge a battery by dropping it in, while the other can be used to adapt to a camera/accessory

Technical data:
AC Input Power 100 to 240 VAC, 50 / 60 Hz 
Output Voltage 8.4 VDC at 1.8 A 
Chemistry Lithium-Ion 
Maximum Wattage 50 W 
Operating Temperature 32 to 104°F / 0 to 40°C 
Dimensions 5.4 x 4.3 x 1.9" / 136 x 110 x 47 mm 
Weight 12.7 oz / 360 g