Specs from the makers' own documentation Battery compatibility built in UK retailer prices, updated daily 25+ years of trade experience
Battery comparison
3 of 3 batteries

DCB182 vs DCB184 vs DCB184B

Same fit: these run the same tools
DEWALT 18V XR
DeWalt DCB182 DCB182 4.0Ah · 72Wh · 0.61kg
£49.95from 2 retailers View at Tooled Up ›
DEWALT 18V XR
DeWalt DCB184 DCB184 5.0Ah · 90Wh · 0.62kg
£59.95from 3 retailers View at Tooled Up ›
DEWALT 18V XR
5.0Ah DCB184B 5.0Ah · 90Wh · 0.62kg
No retailer price yet

Lowest price we track at UK retailers, updated daily. We may earn a commission

They differ in 1 of 3 areas

Same tools, so this is about size, weight and cost. No overall winner: pick the size that suits the job.

EnergyThe DCB184 stores 25% more than the DCB182: 90Wh vs 72Wh.

Good to know

Same toolsAll three fit every DeWalt 18V XR tool.
Weight0.61 to 0.62kg: too close to call.
Same chargersDCB1104, DCB132, DWST83470 and DCB1102 charge all three. Charge times are in the specs below.
Energy
DCB182 72Wh
DCB184 90Wh
DCB184B 90Wh
Maker figure, or volts × Ah where they don't publish one. Ah and Wh explained ›
Weight
DCB182 0.61kg
DCB184 0.62kg
DCB184B 0.62kg
Within 0.1kg: too close to call.
Price per Ah
DCB182 £12.49
DCB184 £11.99
DCB184B No price yet
Lowest price we track ÷ Ah.

Full specs

DCB182DCB184DCB184B
Voltage18V18V18V
Capacity4.0Ah5.0Ah5.0Ah
Energy72Wh90Wh90Wh
Weight0.61kg0.62kg0.62kg
Energy for its weight118Wh/kg (worked out)145Wh/kg (worked out)145Wh/kg (worked out)
ChemistryLi-ion (cylindrical)Li-ion (cylindrical)Li-ion (cylindrical)
Cell typeNot listedNot listedNot listed
Fuel gaugeYesYesNot listed
Size (L × W × H)Not listedNot listedNot listed
Charge time, DCB1104, DCB1321 hr1 hr 15 min1 hr 15 min
Charge time, DWST83470, DCB11022 hr2 hr 30 min2 hr 30 min
Lowest price£49.95£59.95No retailer price yet

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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