2.0Ah vs 3.0Ah vs 5.0Ah
Same fit: these run the same toolsLowest price we track at UK retailers, updated daily. We may earn a commission
They differ in 2 of 3 areas
Same tools, so this is about size, weight and cost. No overall winner: pick the size that suits the job.
EnergyThe 5.0Ah stores 150% more than the 2.0Ah: 54Wh vs 22Wh.
WeightThe 2.0Ah is the lightest at 0.22kg, the 5.0Ah the heaviest at 0.46kg.
Good to know
Same toolsAll three fit every DeWalt 12V XR tool.
Same chargersDCB104, DCB1104, DCB116, DCB132 and DCB1102 charge all three. Charge times are in the specs below.
Energy
DCB127
22Wh
DCB124
32Wh
DCB126
54Wh
Maker figure, or volts × Ah where they don't publish one. Ah and Wh explained ›
Weight
DCB127
0.22kg
DCB124
0.25kg
DCB126
0.46kg
Full specs
DCB127DCB124DCB126
Voltage12V max (10.8V nom)12V max (10.8V nom)12V max (10.8V nom)
Capacity2.0Ah3.0Ah5.0Ah
Energy22Wh32Wh54Wh
Weight0.22kg0.25kg0.46kg
Energy for its weight98Wh/kg (worked out)130Wh/kg (worked out)117Wh/kg (worked out)
ChemistryLi-ion (cylindrical)Li-ion (cylindrical)Li-ion (cylindrical)
Cell typeNot listedNot listedNot listed
Fuel gaugeNot listedYesYes
Size (L × W × H)Not listedNot listedNot listed
Charge time, DCB104, DCB1104, DCB116, DCB13230 min45 min1 hr 15 min
Charge time, DCB11021 hr1 hr 30 min2 hr 30 min
Lowest priceNo retailer price yetNo retailer price yet£54.95
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 ›
