Alpine Corporation Ni-CD Replacement for Solar Powered Garden Lights Rechargeable Nickel Cadmium (Nicd) AA Batteries (4-Pack) in the AA Batteries department at Lowes.com
Li-Socl2 Lithium Battery 3.6V Er14250 1/2AA 1200mAh Lisun with Wire&Connector - China Half AA Battery, Lithium Battery with Wire&Connector | Made-in-China.com