Recharge batteries safely and conveniently with the Powertraveller PCH4A-001 Powerchimp4A Battery Charger. Why buy more batteries? Suitable for use with AA or AAA rechargeable batteries, this handy charger makes it simple to re-use batteries again and again. Letting you charge up to four batteries at a time, it's even possible to mix and match between the two different sizes, with special adaptors allowing you to charge two AAA batteries at the same time as two AA ones. Four LED lights show you the status of the batteries being powered up, and will turn green accordingly as the appropriate batteries reach a full charge. Charged up From empty it will take approximately eight hours to fully charge four AA batteries and when complete they can either be removed for use in appropriate devices or, thanks to a mini USB connector port, the unit can be used as a charging unit for smartphones and MP3 players. Practical and convenient, save money and make the most of rechargeable battery power with the Powertraveller PCH4A-001 Powerchimp4A Battery Charger.