Get a new charger...Ours do not take 3 hours to charge ... usually close to 20-30 minutes. Our charger can charge a battery at up to 15 but we usually charge them at 10 or 5. It can also choose what to charge it at, somtimes it chargers at 0.2, but this takes FOREVER to charge them fully.
http://www.canadiantire.ca/AST/brows....jsp?locale=en
Here is the link to our new chargers ^^ ... i dont think america has Canadian Tire though :$