Revive Dual-ion+ AC/DC Dual CB-5L, CB5L Camera Battery Charger with Interchangeable Charging Plates - Works for Canon 5D, 30D, 20D, BP511, BP512, BP514, BP522, BP535 and More Camcorders Dual Battery Charger allows you to charge two CB-5L batteries at the same time quickly and efficiently for CANON 5D , 30D , 20D , BP511 , BP512 , BP514 , BP522 , BP535 , MV Series , ZR Series , Optura Series and more camcorders Status LED Display for Real Time Charging Progress shows when battery is at 25%, 50%, 75%, and 100% capacity When a full charge is received, Auto-cutoff enables trickle-charging to prevent damage to your battery Utilizes MPC Technology for Fast and Smart Charging. AC, DC world-ready 100-240 volt Charges either 1 or 2 Batteries! Additional interchangeable charging plates for other battery types are also available - Guaranteed Quality: 3-Year Manufacturer's Warranty