ABC RBC45. Battery technology: Sealed Lead Acid (VRLA), Battery capacity: 4500 mAh, Battery voltage: 12 V. Width: 89.9 mm (3.54 "), Depth: 70.1 mm (2.76 "), Height: 106.7 mm (4.2 "). Colour of product: Black. Size: 6.35 mm (0.25 ")