Pocket Size Solar Battery Charger SPC-4 for Recharging (2, 3 or 4) AA or AAA Size batteries Recharges (2, 3 or 4) AA or AAA size batteries in one day Up to 100 ma in full sun 3.5" x 2.75" x 0.75" Weighs only 1.5 oz. MADE in the U.S.A.