Quote from: grahf on 04/03/2011, 08:02 AMIf you use GOOD nickel metal hydride rechargeables you should get great battery life. I recommend Sanyo Eneloops, which are currently the best on the market. Energizer rechargeables are garbage, so avoid those.Second this. I think it's better than a battery pack. These things really extend the battery life and charge pretty fast. I have two sets of eight, and a charger that charges eight at a time.