RE: EVERYBODY PLEASE READ THIS IT IS VERY IMPROTANT!!!!!!!
You RC controller and/or charger probably state: Use only Nickel Cadium (NiCad) rechargable batteries...or Use Only Nickel Metal Hydride Batteries (NiMH) .
Rechargable ALKALINE batteries must be charged in a special charger. Most RC stuff is Nicad or NiMH, and the charger will state what it charges.
You goofed.