Battery Technology Inc. more commonly known as BTI is one of many global manufacturers and suppliers of battery products for various types of computer products. Battery Technology claims to have a state-of-the-art production facility with branches located in California, USA and also Hong Kong, China. Their facilities support the designing, development, manufacturing, assembly, and distribution of rechargeable batteries and power-related products. Their expansive portfolio includes replacement batteries and adapters for mobile devices and specialized batteries for APC/UPS systems. While their main customer base exists within North America, Battery Technology also distributes their finished products to various locations across the world.