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

M18HB5 vs M18HB5-CR vs M18HB5.5

Same fit: these run the same tools
MILWAUKEE M18
5.0Ah M18HB5 5.0Ah · 90Wh · 0.79kg
No retailer price yet
MILWAUKEE M18
5.0Ah M18HB5-CR 5.0Ah · 90Wh · 0.79kg
No retailer price yet
MILWAUKEE M18
Milwaukee M18HB5.5 M18HB5.5 5.5Ah · 99Wh · 1.1kg
£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 3 of 3 areas

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

EnergyThe M18HB5.5 stores 10% more than the M18HB5: 99Wh vs 90Wh.
WeightThe M18HB5 is the lightest at 0.79kg, the M18HB5.5 the heaviest at 1.1kg.
ChemistryM18HB5: Li-ion; M18HB5-CR: Li-ion; M18HB5.5: Li-ion (cylindrical).

Good to know

Same toolsAll three fit every Milwaukee M18 tool.
Same chargersM18DBSC, M18MDBSC, M12-18FC, M18DFC, M18PC6, M18MPC6, M12-18AC and M1418C6 charge all three. Charge times are in the specs below.
Energy
M18HB5 90Wh
M18HB5-CR 90Wh
M18HB5.5 99Wh
Maker figure, or volts × Ah where they don't publish one. Ah and Wh explained ›
Weight
M18HB5 0.79kg
M18HB5-CR 0.79kg
M18HB5.5 1.1kg

Full specs

M18HB5M18HB5-CRM18HB5.5
Voltage18V18V18V
Capacity5.0Ah5.0Ah5.5Ah
Energy90Wh (worked out)90Wh (worked out)99Wh
Weight0.79kg0.79kg1.1kg
Energy for its weight115Wh/kg (worked out)115Wh/kg (worked out)90Wh/kg (worked out)
ChemistryLi-ionLi-ionLi-ion (cylindrical)
Cell typeNot listedNot listedNot listed
Fuel gaugeYesYesYes
Size (L × W × H)Not listedNot listedNot listed
Charge time, M18DBSC, M18MDBSC39 min39 min35 min
Charge time, M12-18FC, M18DFC, M18PC6, M18MPC659 min59 min1 hr
Charge time, M12-18AC1 hr 40 min1 hr 40 min2 hr 10 min
Charge time, M1418C61 hr 40 min1 hr 40 min2 hr 5 min
Lowest priceNo retailer price yetNo retailer price yet£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.

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