Founded in 1986, CSB is a leading manufacturer of valve regulated, lead-acid (VRLA) batteries. As a leading global manufacturer of VRLA batteries, CSB products are utilized in over 100 countries for telecommunications, UPS, solar, wind power, emergency lighting, security and many other applications. The HRL series is specifically designed for high efficient application. Its characteristics are high energy density, small footprint and high discharge energy. It can be used for more than 260 cycles at 100% discharge in cycle service, up to 10 years in standby service.