‹ All Milwaukee M18 batteries

M18

8.0Ah M18FB8 18V · 1.08kg No product photo yet

Fits

72 Milwaukee M18 toolsSee them ›

Charges

45 min on 2 of the 11 chargers Milwaukee lists for itCharge times ›

Specs

From Milwaukee's own documentationChecked 14 Jun 2026

Milwaukee · M18 platform

Milwaukee M18FB8 18V 8.0Ah FORGE battery

8.0Ah 144Wh 1.08kg Tabless cells Fuel gauge

M18 FORGE 8.0Ah (144Wh) tabless pack with COOL-CYCLE active cooling, Milwaukee claims the runtime of a HIGH OUTPUT 12.0Ah, 30% smaller and 20% lighter.

Adds it to My Tools, kept on this device

Price

No retailer price yet

None of the retailers we track lists it right now.

8.0AhCapacitymaker figure

144WhEnergymaker figure

1.08kgWeightmaker figure

133Wh/kgEnergy for its weightworked out

Other sizes in this range

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

Compare these sizes ›All Milwaukee M18 batteries ›

ModelSizeEnergyWeightLowest pricePer Ah

M18B2 2.0Ah 36Wh 0.4kg £56.95 £28.48 per Ah

M18HB3 3.0Ah 54Wh 0.7kg £64.95 £21.65 per Ah

M18B4 4.0Ah 72Wh 0.7kg £57.95 £14.49 per Ah

M18B5 5.0Ah 90Wh 0.7kg £59.95 £11.99 per Ah

M18B5-CR 5.0Ah 90Wh 0.7kg £87.95 £17.59 per Ah

M18HB5 5.0Ah 90Wh 0.79kg No price yet

M18HB5-CR 5.0Ah 90Wh 0.79kg No price yet

M18HB5.5 5.5Ah 99Wh 1.1kg £99.95 £18.17 per Ah

M18FB6 6.0Ah 108Wh 1.03kg £199.95 £33.33 per Ah

M18FB8 This one 8.0Ah 144Wh 1.08kg No price yet

M18FB12 12.0Ah 216Wh 1.51kg £239.95 £20.00 per Ah

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

Full specs

From Milwaukee's own documentation, checked 14/06/2026. "Not listed" where Milwaukee doesn't publish a figure.

Voltage18V

Capacity8.0Ah

Energy144Wh

ChemistryLi-ion (cylindrical)

Cell typeTabless

Weight1.08kg

Size (L × W × H)135 × 86 × 89 mm

Fuel gaugeYes

ExtrasREDLINK Intelligence, COOL-CYCLE, Resistant housing, Sunlight-readable fuel gauge

Released2024

PlatformMilwaukee M18

Model codeM18FB8

Charge times

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

M18DBSCDual-bay super charger (simultaneous, adaptive)

45 min

No retailer price yet

M18MDBSCMobile dual-bay super charger (simultaneous, adaptive)

45 min

No retailer price yet

M12-18FCMulti-voltage fast charger

1 hr 27 min

£59.95 at Tooled Up ›

M18DFCDual-bay rapid charger

1 hr 27 min

£99.95 at Tooled Up ›

M18PC66-bay rapid charger (2 at once)

1 hr 27 min

£238.95 at Tooled Up ›

M18MPC6Six-bay rapid charger (2 at once)

1 hr 27 min

No retailer price yet

M12-18GBC4Four-bay gangbox charger (2 at once)

1 hr 27 min

No retailer price yet

M18TCUSB-C mini charger and power supply

2 hr 35 min

No retailer price yet

M12-18ACIn-car charger

3 hr 10 min

£79.95 at Tooled Up ›

M1418C66-bay sequential charger

3 hr 10 min

£109.95 at Tooled Up ›

M1418C6-110V6-bay sequential charger

3 hr 10 min

£109.95 at Tooled Up ›

Milwaukee's own figures. We may earn a commission

Fits these tools

Every Milwaukee M18 tool takes this pack. It won't fit other brands' tools.

All 72 Milwaukee M18 tools ›

Circular Saws8 tools › Angle Grinders8 tools › Reciprocating Saws6 tools › Site Vacuums5 tools › Combi Drills5 tools › SDS+ Hammer Drills4 tools › Second Fix Nailers3 tools › Jigsaws3 tools › Impact Drivers3 tools › Multi-Tools2 tools › Dual Action Polishers2 tools › Random Orbital Sanders2 tools › First Fix Nailers2 tools › SDS Max Hammer Drills2 tools › Dust Extractors2 tools › Angle Drills2 tools › Impact Wrenches2 tools › Table Saws1 tool › Rotary Polishers1 tool › Belt Sanders1 tool › Sheet & Palm Sanders1 tool › Trim Routers & Edge Trimmers1 tool › Routers1 tool › Planers1 tool › Brad Nailers1 tool › Handheld Vacuums1 tool › Plunge Saws1 tool › Metal Cutting Saws1 tool ›

8.0Ah 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

MilwaukeeM18FB8 144Wh 1.08kg 133 No price yet

BoschEXBA18V-80 144Wh 1.04kg 139 £182.95£22.87

DeWaltDCB1880 144Wh Not listed £139.95£17.49

Einhell4511600 144Wh 1.05kg 137 £94.95£11.87

FestoolBP18TBX8 144Wh 1kg 144 £199.95£24.99

HiKOKIBSL3640MVT 144Wh 0.98kg 147 No price yet

M18FB8 questions

Which tools does the M18FB8 fit?

It fits every Milwaukee M18 tool. It won't fit other brands' tools.

How long does the M18FB8 take to charge?

From Milwaukee's own figures: M18DBSC: 45 min, M18MDBSC: 45 min, M12-18FC: 1 hr 27 min, M18DFC: 1 hr 27 min, M18PC6: 1 hr 27 min, M18MPC6: 1 hr 27 min, M12-18GBC4: 1 hr 27 min, M18TC: 2 hr 35 min, M12-18AC: 3 hr 10 min, M1418C6: 3 hr 10 min, M1418C6-110V: 3 hr 10 min.