‹ All Makita 12V CXT batteries

12V CXT

Fits

28 Makita 12V CXT toolsSee them ›

Charges

1 hr on the DC10SB, the fastest of 2Charge times ›

Specs

From Makita's own documentationChecked 24 Sep 2026

Makita · 12V CXT platform

Makita BL1041B 12V max (10.8V nom) 4.0Ah CXT battery

4.0Ah 43Wh 0.38kg Fuel gauge

Makita 12V max CXT 4.0Ah slide pack with charge level indicator. 0.38kg.

Adds it to My Tools, kept on this device

Lowest price we track

£49.00at Machine Mart · + £4.99 delivery

View at Machine Mart ›

Compare retailersTotal with delivery

Machine Mart Lowest£49.00 + £4.99 delivery£53.99View ›

Tooled Up£49.95 + £6.95 delivery£56.90View ›

My Tool Shed£49.95 + £6.95 delivery£56.90View ›

Prices from UK retailer feeds, updated daily.We may earn a commission

4.0AhCapacitymaker figure

43WhEnergymaker figure

0.38kgWeightmaker figure

114Wh/kgEnergy for its weightworked out

£12.25Per Ahat the lowest price we track

Other sizes in this range

Same fit, same tools. Bigger packs run longer and weigh more. Pick the size for the job.

Compare both sizes ›All Makita 12V CXT batteries ›

ModelSizeEnergyWeightLowest pricePer Ah

BL1021B 2.0Ah 22Wh 0.21kg £38.99 £19.50 per Ah

BL1041B This one 4.0Ah 43Wh 0.38kg £49.00 £12.25 per Ah

Prices are the lowest we track at UK retailers, updated daily. Weights from Makita. Energy is Makita's figure, or worked out from volts × Ah where they don't publish one.

Full specs

From Makita's own documentation, checked 24/09/2026. "Not listed" where Makita doesn't publish a figure.

Voltage12V max (10.8V nom)

Capacity4.0Ah

Energy43Wh

ChemistryLi-ion (cylindrical)

Cell typeNot listed

Weight0.38kg

Size (L × W × H)87 × 64 × 56 mm

Fuel gaugeYes

Released2016

PlatformMakita 12V CXT

Model codeBL1041B

Charge times

Makita's own figures, fastest first. Each charger opens its own page.

DC10SBRapid charger

1 hr

£52.00 at Machine Mart ›

DC10WDCharger

2 hr 10 min

£40.00 at Machine Mart ›

Makita's own figures. We may earn a commission

Fits these tools

Every Makita 12V CXT tool takes this pack. It won't fit other brands' tools.

All 28 Makita 12V CXT tools ›

Drill Drivers4 tools › Impact Wrenches4 tools › Jigsaws3 tools › Handheld Vacuums3 tools › Reciprocating Saws2 tools › SDS+ Hammer Drills2 tools › Impact Drivers2 tools › Combi Drills2 tools › Ratchets1 tool › Multi-Tools1 tool › Rotary Polishers1 tool › Pin Nailers1 tool › Angle Drills1 tool › Circular Saws1 tool ›

4.0Ah packs from other brands

Only useful if you haven't picked a platform yet: packs don't swap between brands. Shown on neutral figures only.

Not sure which platform? ›

BatteryEnergyWeightWh per kgLowest pricePer Ah

MakitaBL1041B 43Wh 0.38kg 114 £49.00£12.25

MilwaukeeM12B4 48Wh 0.4kg 120 £39.95£9.99

BL1041B questions

Which tools does the BL1041B fit?

It fits every Makita 12V CXT tool. It won't fit other brands' tools.

How long does the BL1041B take to charge?

From Makita's own figures: DC10SB: 1 hr, DC10WD: 2 hr 10 min.