Nominal voltage: 12 V
Dimensions: 181 x 76 x 167 mm
Height (incl. terminal): 167 mm
Weight: 6 kg
Rated capacity to Final Voltage (AH):
20HR, 1.75 Volts/sec: 15
10HR, 1.75 Volts/sec: 14
5HR, 1.7 Volts/sec: 12.8
1HR, 1.3 Volts/sec: 9

http://www.gmb.nl/item.aspx?id=2801