6.0Ah vs 9.0Ah 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 4 of 5 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 1.08kg, the 9.0Ah the heaviest at 1.46kg.
PriceThe 6.0Ah is the cheapest of the three today, at £99.95.
Price per Ah9.0Ah £13.33, 6.0Ah £16.66, 12.0Ah £19.16.
Good to know
Same toolsAll three fit every DeWalt 18V/54V FlexVolt tool.
Same chargersDCB117, DCB104, DCB118, DCB116, DCB1104, DCB132, DWST83470 and DCB1102 charge all three. Charge times are in the specs below.
Energy
DCB546
108Wh
DCB547
162Wh
DCB548
216Wh
Maker figure, or volts × Ah where they don't publish one. Ah and Wh explained ›
Weight
DCB546
1.08kg
DCB547
1.46kg
DCB548
1.46kg
Price per Ah
DCB546
£16.66
DCB547
£13.33
DCB548
£19.16
Lowest price we track ÷ Ah. Full specs
DCB546DCB547DCB548
Voltage18V/54V18V/54V18V/54V
Capacity6.0Ah9.0Ah12.0Ah
Energy108Wh162Wh216Wh
Weight1.08kg1.46kg1.46kg
Energy for its weight100Wh/kg (worked out)111Wh/kg (worked out)148Wh/kg (worked out)
ChemistryLi-ion (cylindrical)Li-ion (cylindrical)Li-ion (cylindrical)
Cell typeNot listedNot listedNot listed
Fuel gaugeYesYesYes
Size (L × W × H)Not listedNot listedNot listed
Charge time, DCB11740 min1 hr1 hr 20 min
Charge time, DCB104, DCB1181 hr1 hr 15 min2 hr
Charge time, DCB1161 hr 20 min1 hr 50 min2 hr 30 min
Charge time, DCB1104, DCB1321 hr 30 min2 hr 15 min3 hr
Lowest price£99.95£119.95£229.95
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.
Battery guides
Not sure what the numbers mean, or which platform to buy into? Start here.
Power Tool Battery Ah and Wh ExplainedEvery battery gives an "Ah" number: 2.0Ah, 5.0Ah, 8.0Ah. People treat it like a power rating, buy the biggest one they can,…5 Min Read min read ›
Cordless Battery Platforms Explained: Which Should You Buy Into?Here is the thing no one tells you when you buy your first power tool: you are not really choosing a tool.…8 min read min read ›
Corded vs Cordless Power Tools: Which to Buy?Cordless has taken over site and workshop, and for good reason, but corded tools are not dead, and for some jobs they…5 min read min read ›