I also use the Imedions 2400's with the Maha charger. I've run em for about a year now and couldn't be happier, especially when I think how much moola I've saved. I didn't know there was so much to a good recharging system. The Imedion and Maha IMO is a good way to go. I have an M10 and have no problems at all with the set-up. I'll be getting 4 more batteries to go with the 4 I have too.