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

1.7Ah vs 2.0Ah vs 3.5Ah

Same fit: these run the same tools
DEWALT 18V XR
DeWalt DCBP034 DCBP034 1.7Ah · 31Wh · 0.32kg
£78.95from 3 retailers View at Tooled Up ›
DEWALT 18V XR
DeWalt DCB183 DCB183 2.0Ah · 36Wh · 0.4kg
£44.95from 2 retailers View at Tooled Up ›
DEWALT 18V XR
DeWalt DCBP318 DCBP318 3.5Ah · 63Wh · 0.58kg
£99.95from 2 retailers View at Tooled Up ›

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

They differ in 5 of 5 areas

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

EnergyThe 3.5Ah stores 106% more than the 1.7Ah: 63Wh vs 31Wh.
WeightThe 1.7Ah is the lightest at 0.32kg, the 3.5Ah the heaviest at 0.58kg.
PriceThe 2.0Ah is the cheapest of the three today, at £44.95.
Price per Ah2.0Ah £22.48, 3.5Ah £28.56, 1.7Ah £46.44.
Chemistry1.7Ah: Li-ion pouch (POWERSTACK); 2.0Ah: Li-ion (cylindrical); 3.5Ah: Li-ion pouch (POWERSTACK).

Good to know

Same toolsAll three fit every DeWalt 18V XR tool.
Energy
DCBP034 31Wh
DCB183 36Wh
DCBP318 63Wh
Maker figure, or volts × Ah where they don't publish one. Ah and Wh explained ›
Weight
DCBP034 0.32kg
DCB183 0.4kg
DCBP318 0.58kg
Price per Ah
DCBP034 £46.44
DCB183 £22.48
DCBP318 £28.56
Lowest price we track ÷ Ah.

Full specs

DCBP034DCB183DCBP318
Voltage18V18V18V
Capacity1.7Ah2.0Ah3.5Ah
Energy31Wh36Wh63Wh
Weight0.32kg0.4kg0.58kg
Energy for its weight96Wh/kg (worked out)90Wh/kg (worked out)109Wh/kg (worked out)
ChemistryLi-ion pouch (POWERSTACK)Li-ion (cylindrical)Li-ion pouch (POWERSTACK)
Cell typePouch (stacked)Not listedPouch (stacked)
Fuel gaugeYesYesYes
Size (L × W × H)Not listedNot listedNot listed
Lowest price£78.95£44.95£99.95

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.

Scroll to Top