3.2 Volt LiFePO4 10440 (AAA) Button Top Battery (300 mAh)
Size: AAA (10440). Chemistry: Lithium Phosphate (LiFePO4). We carry various solar light batteries in all shapes and sizes. Capacity: 300 mAh. Imagine that?!?. Light weight and high energy density. Weight: 17 g (0.6 Oz).