Makers of Powerex and Imedion Premium Rechargeable Nickel Metal Hydride (NiMH) Batteries and Smart Chargers. We carry a full array of sizes for AA, AAA, C, D, and 9V (both 8.4 and 9.6V) applications with some of the highest capacities available. Our Smart Chargers/Analyzers have the functionality and charging speeds that will keep your electronics running. Maha Energy has been in business for over 20 years in sunny Southern California.