The PS-640 is part of the PS range of sealed lead acid batteries (often referred to as VRLA) which have been specifically designed for general purpose and standby applications. The 6V 4.50Ah battery offers excellent performance in a wide range of applications including security and fire systems, medical devices, emergency lighting and UPS systems.
All Power Sonic batteries are subject to stringent quality controls through every step of the manufacturing process ensuring both consistency and reliability.