The A510 can be powered by two standard AA-type batteries, alkaline, NiMH (nickel metal hydride), or lithium cells. Canon claims with AA Alkaline batteries you can capture approx. 80 shots (LCD on), 240 shots (LCD off), and 180 minutes of continuous playback time. With NiMH cells Canon clams approx. 300 shots (LCD on), 800 shots (LCD off), and 300 minutes of continuous playback time. Check out our NiMH rechargeable battery page for more info on NiMH battery types.
Canon also offers a battery and charger kit CBK4-200 that includes both a charger unit and four rechargeable AA-size NiMH batteries. The A510 can also be powered by the AC Adapter Kit ACK800 for unlimited runtime from your wall outlet.