Baterie UPS 12V/ 3.2AH Yuasa NP3.2-12, 3-5 Yeras---https://www.yuasa.co.uk/batteries/industrial/np-vrla-general-use/np3-2-12.htmlCapacity at 20-hour Rate (Ah) : 3.2Capacity Ah (20-HR) : 3.2Length (mm) : 134Width (mm) : 67Height (mm) : 64Weight (kg) : 1.0Nominal Voltage : 12Capacity Ah : 3.2