APC Smart-UPS ULTRA BATTERY PACK 24V, Sealed Lead Acid (VRLA), 0 - 40 °C, 0 - 95%, 280 lbs (127 kg), 17.6 x 29.7 x 12.2" (447 x 754.4 x 309.9 mm) APC Smart-UPS ULTRA BATTERY PACK 24V. Battery technology: Sealed Lead Acid (VRLA). Weight: 280 lbs (127 kg). Dimensions (WxDxH): 17.6 x 29.7 x 12.2" (447 x 754.4 x 309.9 mm)