A123 Systems is a specialized and leading brand in the design of Lithium-Ion batteries / accumulators offering high power, safety and long life. The brand works in particular on the design of energy storage solutions for passenger vehicles, commercial vehicles, motor sport, industry and many other sectors.
In HiFi, the use of batteries for power supply design can be particularly interesting, as this system provides audio circuits with an electrical signal that is often cleaner than a standard power supply.
This A123 Systems ANR26650M1-B rechargeable battery (or accumulator) has a LifePO4 chemistry. They have the advantage over conventional Li-Ion batteries of being more durable (higher number of charging cycles), less sensitive to partial charges and withstanding higher currents.