APC RBC43, Sealed Lead Acid (VRLA), 41.9 lbs (19 kg), 8.29" (210.6 mm), 2.99" (76 mm), 20.9" (530.3 mm), 8.5 x 21 x 3" (215.9 x 533.4 x 76.2 mm) APC RBC43. Battery technology: Sealed Lead Acid (VRLA). Weight: 41.9 lbs (19 kg), Width: 8.29" (210.6 mm), Height: 2.99" (76 mm)