135Optional AccessoriesBattery PacksWhen you need extra battery packs, select one of the following models: BP-820 orBP-828.When you use battery packs bearing the Intelligent System mark, the camcorderwill communicate with the battery and display the remaining usage time (accurateto 1 minute). You can only use and charge these battery packs with camcordersand chargers compatible with Intelligent System.CG-800 Battery ChargerUse the battery charger to charge the battery packs. It plugs directly into a poweroutlet without a cable.TL-U58 Tele-Converter• The minimum focusing distance at full telephoto with the tele-converter is 1.3 m(4.3 ft.).• The tele-converter cannot be used together with the supplied lens hood.WA-U58 wide attachment• The wide attachment cannot be used together with the supplied lens hood.This mark identifies genuine Canon video accessories. When you use Canon video equipment,we recommend Canon-brand accessories or products bearing the same mark.