Batteries SBT 520 AE SBT 540 AE SBT 550 AE Battery capacity 2 Ah 4 Ah 5 Ah Art Nr. 278012008/ST1 278014008/ST1 278015008/ST1 Chargers SCG 515 AE SFC 530 AE Charger Standard Fast Art Nr. 278020008/ST1 278030008/ST1 ERGONOMICS TRANSPORT HANDLE RELEASE BUTTON HIGH LION CELLS PERFORMANCE CHARGE INFO LED Same batteries fit on many applications LAWN MOWERS HEDGE CUTTER AXIAL BLOWER BRUSH CUTTER LAWN TRIMMER 9 STIGA Battery