YUASA ADDS NEW HIGH CAPACITY INDUSTRIAL BATTERY TO HIGH DISCHARGE RATE RANGE

YNI015Yuasa Battery Sales (UK) has added a further battery to its SWL family of industrial valve regulated lead-acid (VRLA) batteries with a new high capacity 12V model, the SWL4250.

Ideal for use in uninterruptible power supply (UPS) and similar high discharge rate applications, the new SWL4250 delivers the same increased performance as other batteries in the SWL family. Typically, this provides up to 40% extra high-rate discharge capacity when compared with standard NPL series batteries.

The SWL4250 features a nominal 10hr rate capacity of 140Ah to 10.8V at 20°C with 10-min rate constant power of 4,250W to 9.6V at 20°C. Standby life expectancy is up to 10 years (design life at 20°C) and EUROBAT classification is high performance, 10 to 12 years.

The new SWL4250 features a UL94HB ABS case material as standard with flame retardant (FR) option available for UL94V0 applications. The battery can be installed and operated in any orientation except permanently inverted and complies with IEC61056 and IEC60896-21/22. Case dimensions are 341 x 173 x 281mm high with typical mass of 49kg.

Operating temperature ranges are -15 to +50°C (charging) and -20 to +60°C (discharging). Optimum storage temperature in fully charged condition is from -20 to +50°C. Additional specifications include low self-discharge characteristics during storage, maximum discharge current of 840A for 1s or 420A for 1min and impedance of 2.7mΩ measured at 1kHz.

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