This Plug-In Easy Charger comes with four Multi-Usage+ (low-self-discharge) 2100mAh NiMH AA rechargeable batteries which arrive with you ready to use. Charging two or four AA or AAA batteries, it supports NiMH or NiCd cells and will charge the included batteries in 7 hours. Ready for use straight from the pack and stay charged for a long time. Ideal for usage in your everyday electronic devices: Digital cameras, radios, CD and MP3 players, Mini Disc, torches, PC mouses etc.