Looking to upgrade your camera battery charger? The Hähnel ProCube 2 is worth considering: Digital Photography Review
Amazon.com : PS Hahnel PROCUBE2 Professional Twin Battery Charger for Sony DSLR Cameras, NP-BX1, NP-FW50, Batteries, and NP-FZ100 Along with 4 AA Rechargeable Batteries and Cleaning Kit : Electronics