Yuasa Battery Sales (UK) has expanded its range of industrial VRLA batteries for use in UPS systems with the addition of a high capacity 12V model, the SWL4250.
The battery is suited to high discharge-rate applications, making it ideal for UPS applications. It has a nominal ten hour rate capacity of 140Ah to 10.8V at 20°C with ten minute rate constant power of 4,250W to 9.6V at 20°C. In a standby function the life expectancy is claimed to be ten years at optimal operating conditions.
The battery has been designed to operate at temperatures between -15 to +50°C (charging) and -20 to +60°C (discharging). The optimum storage temperature in fully charged condition is from -20 to +50°C.
The SWL4250 features a UL94HB ABS case material as standard with flame retardant option available for UL94V0 applications. The 49kg battery measures 341 x 173 x 281mm.