AA Portable Power Corporation (Batteryspace.com) is a provider of custom-built batteries and chargers for businesses and consumers. The company offers all kinds of rechargeable batteries and chargers, including Nimh, Nicd, Lead Acid, Li-ion, Polymer, LiMnO, and LiFePO4 batteries, as well as PCB/PCM/BMS and related battery chargers. Its services include sales, custom design, assembly production, private labeling and packaging, and testing.