EvoKit Emergency Battery Backup, Battery Chemistry Nickel Cadmium, Recharge Time 24 hr, Voltage 120 V, 277 V, Standards UL 90, UL 924, Rated Life 7 yr, Compatible Grainger Part Number 30KA07, 30KA08, 30KA09, 30KA10, 30KA11, 30KA12, 30KA15, 30KA16,...