This TC200-i Dual Slot Battery Charger from Dolgin Engineering offers simultaneous, independent charging for up to two Li-ion batteries. It can fully charge a depleted 2800mAh battery in approximately 2.5 hours, and a 5600mAh pack in approximately 4 hours. This version comes with adapter plates for fitting Canon LP-E6 type batteries and can support original equipment as well as non-OEM models.