Bosch 9,11,13,15,17,19,21,25 Plate SM Mega Power Car Battery Bosch SM Mega Power Battery SM Mega Power 100% Maintenance-free Plates available 9 Plate – GHS 850 35ah 11 Plate – GHS 1070 42ah 13 Plate – GHS 1270 55ah 13 Plate – GHS 1400 66ah 15 Plate- GHS 1550 72ah 17 Plate -GHS 1875 88ah 17 Plate – GHS 1800 90ah 19 Plate – GHS 2200 100ah 21 Plate – GHS 2500 120ah 25 Plate – GHS 2900 150ah