Green Extreme Smart Charger Plate for Canon BP-406

batteries allows you to charge Canon BP-406batteries with the GXCH1 and GXCH2 Green Extreme Smart Chargers Universal power output charger automatically detects the voltage of ANY battery mounted to it, so that by swapping out the battery plate, you can charge additional camera battery types without requiring additional chargers Compatible Batteries For Canon:BP-406BP-412BP-422