APC Smart-UPS XL 48V Battery Pack, Sealed Lead Acid (VRLA), 48 V, Beige, 0 - 40 °C, 0 - 95%, 31 kg APC Smart-UPS XL 48V Battery Pack. Battery technology: Sealed Lead Acid (VRLA), Battery voltage: 48 V. Product colour: Beige. Weight: 31 kg. Battery type: Maintenance-free sealed Lead-Acid battery with suspended electrolyte: leakproof, Dimensions (WxDxH): 170.2 x 439.4 x 215.9 mm