Bring spent batteries back from the dead. These handy devices breathe new life into a variety of old household batteries, providing you with additional use while saving you money. Plus, the Renu-it Junior offers the same money-saving convenience in a travel size that"s perfect for staying juiced up on the road. Measurements: Renu-it PRO: Approx. 7.13"L x 6.13"W x 2.75"HRenu-it Junior: Approx. 2.75"L x 2.5"W x 4.3"H Weight: Renu-it PRO: Approx. 14.08 oz.Renu-it Junior: Approx. 4 oz. Model #: Renu-it PRO: RE02Renu-it Junior: RE03 Power Source: Plugs into household wall outlet Listing: Renu-it PRO: UL (AC adapter)Renu-it Junior: ETL