Anyone have a 18V Ridgid for a while? What is the battery life like? Some say that the new batteries don't last very long, new battery chemistry and rapid charger have a bad effect on battery life. Kind of wonder why everyone is throwing in free batteries. Dewalt is playing the same game, but I think they still use the old ni-cad batteries. They have great life, and if you use the slower charger, last maybe 8-900 charges.