"Overnight AA Battery Charger with 4 Pack of AA Batteries, (NiMH) by Sunpak"

"Always scrounging for extra batteries? These Sunpak ''AA'' 1800mAH rechargeables could put an end to that. Made from Nickel Metal Hydride rather than Nickel Cadmium, the Sunpak AA's eliminate the problematic ''memory'' effect that is associated with NiCad batteries. With these NiMH batteries, it is no longer necessary to fully discharge them before they are re-charged nor is it a problem to store them charged. That means that they are ready to operate on your terms, store them charged so that they are always ready to go and charge them at your convenience. So now you can always keep your flash flashing, your game machine gaming, your digital camera digitizing, and your toys doing whatever those toys do!"