BL4025 vs BL4040 vs BL4040F
Same fit: these run the same tools
Lowest price we track at UK retailers, updated daily. We may earn a commission
They differ in 5 of 6 areas
Same tools, so this is about size, weight and cost. No overall winner: pick the size that suits the job.
EnergyThe BL4040 stores 60% more than the BL4025: 144Wh vs 90Wh.
WeightThe BL4025 is the lightest at 0.71kg, the BL4040 the heaviest at 1kg.
PriceThe BL4025 is the cheapest of the three today, at £79.95.
Price per AhBL4025 £31.98, BL4040 £42.49, BL4040F £47.49.
SizeBL4025 118 × 77 × 65mm; BL4040 133 × 82 × 71mm; BL4040F 133 × 82 × 71mm (L × W × H).
Good to know
Same toolsAll three fit every Makita 40V XGT tool, and pair up on the Makita 80V XGT tools.
Same chargers191E08-6, 191N22-6, 191N14-5, 191N07-2, 191M92-9, 191M89-8 and DC40WA charge all three. Charge times are in the specs below.
Energy
BL4025
90Wh
BL4040
144Wh
BL4040F
144Wh
Maker figure, or volts × Ah where they don't publish one. Ah and Wh explained ›
Weight
BL4025
0.71kg
BL4040
1kg
BL4040F
0.94kg
Price per Ah
BL4025
£31.98
BL4040
£42.49
BL4040F
£47.49
Lowest price we track ÷ Ah. Full specs
BL4025BL4040BL4040F
Voltage40V max (36V nom)40V max (36V nom)40V max (36V nom)
Capacity2.5Ah4.0Ah4.0Ah
Energy90Wh144Wh144Wh
Weight0.71kg1kg0.94kg
Energy for its weight127Wh/kg (worked out)144Wh/kg (worked out)153Wh/kg (worked out)
ChemistryLi-ion (cylindrical)Li-ion (cylindrical)Li-ion (cylindrical)
Cell typeNot listedNot listed21700 tabless
Fuel gaugeYesYesYes
Size (L × W × H)118 × 77 × 65 mm133 × 82 × 71 mm133 × 82 × 71 mm
Charge time, 191E08-6, 191N22-6, 191N14-5, 191N07-228 min45 min45 min
Charge time, 191M92-9, 191M89-838 min1 hr 7 min1 hr 7 min
Charge time, DC40WA2 hr 10 min3 hr 30 min3 hr 30 min
Lowest price£79.95£169.95£189.95
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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