6.0Ah vs 8.0Ah vs 12.0Ah
Same fit: these run the same tools
Lowest price we track at UK retailers, updated daily. We may earn a commission
They differ in 2 of 4 areas
Same tools, so this is about size, weight and cost. No overall winner: pick the size that suits the job.
EnergyThe 12.0Ah stores 100% more than the 6.0Ah: 216Wh vs 108Wh.
WeightThe 6.0Ah is the lightest at 1.03kg, the 12.0Ah the heaviest at 1.51kg.
Good to know
Same toolsAll three fit every Milwaukee M18 tool.
Same chargersM18DBSC, M18MDBSC, M12-18FC, M18DFC, M18PC6, M18MPC6, M12-18GBC4, M18TC and M12-18AC charge all three. Charge times are in the specs below.
Energy
M18FB6
108Wh
M18FB8
144Wh
M18FB12
216Wh
Maker figure, or volts × Ah where they don't publish one. Ah and Wh explained ›
Weight
M18FB6
1.03kg
M18FB8
1.08kg
M18FB12
1.51kg
Price per Ah
M18FB6
£33.33
M18FB8
No price yet
M18FB12
£20.00
Lowest price we track ÷ Ah. Full specs
M18FB6M18FB8M18FB12
Voltage18V18V18V
Capacity6.0Ah8.0Ah12.0Ah
Energy108Wh144Wh216Wh
Weight1.03kg1.08kg1.51kg
Energy for its weight105Wh/kg (worked out)133Wh/kg (worked out)143Wh/kg (worked out)
ChemistryLi-ion (cylindrical)Li-ion (cylindrical)Li-ion (cylindrical)
Cell typeTablessTablessTabless
Fuel gaugeYesYesYes
Size (L × W × H)Not listed135 × 86 × 89 mmNot listed
Charge time, M18DBSC, M18MDBSC25 min45 min45 min
Charge time, M12-18FC, M18DFC, M18PC6, M18MPC6, M12-18GBC41 hr1 hr 27 min2 hr 10 min
Charge time, M18TC2 hr2 hr 35 min4 hr
Charge time, M12-18AC2 hr 10 min3 hr 10 min4 hr 45 min
Lowest price£199.95No retailer price yet£239.95
Specs from each maker's own documentation. "Not listed" means the maker doesn't publish it or we haven't found it yet; it never counts as a difference.
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