‹ All Festool 18V batteries

18V

Fits

24 Festool 18V tools + 6 moreSee them ›

Charges

32 min on all 3 chargers Festool lists for itCharge times ›

Specs

From Festool's own documentationChecked 27 Sep 2026

Festool · 18V platform

Festool BP18Li4.0HPC 18V 4.0Ah HighPower Compact, replaced by TBX 4 battery

4.0Ah 72Wh 0.6kg 21700 cylindrical cells Fuel gauge

Festool BP 18 Li 4,0 HPC-ASI 18V 4.0Ah Bluetooth pack. Replaced by the BP 18 TBX 4 C-ASI but still sold.

Adds it to My Tools, kept on this device

Lowest price we track

£155.95at Tooled Up · + £6.95 delivery

View at Tooled Up ›

Compare retailersTotal with delivery

Tooled Up Lowest£155.95 + £6.95 delivery£162.90View ›

My Tool Shed£155.95 + £6.95 delivery£162.90View ›

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

4.0AhCapacitymaker figure

72WhEnergymaker figure

0.6kgWeightmaker figure

120Wh/kgEnergy for its weightworked out

£38.99Per 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 these sizes ›All Festool 18V batteries ›

ModelSizeEnergyWeightLowest pricePer Ah

BP18Li3.0C 3.0Ah 54Wh 0.4kg No price yet

BP18Li4.0HPC This one 4.0Ah 72Wh 0.6kg £155.95 £38.99 per Ah

BP18TBX4 4.0Ah 72Wh 0.6kg £119.95 £29.99 per Ah

BP18Li5.0 5.0Ah 90Wh 0.7kg £172.95 £34.59 per Ah

BP18TBX8 8.0Ah 144Wh 1kg £199.95 £24.99 per Ah

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

Full specs

From Festool's own documentation, checked 27/09/2026. "Not listed" where Festool doesn't publish a figure.

Voltage18V

Capacity4.0Ah

Energy72Wh

ChemistryLi-ion

Cell type21700 cylindrical

Weight0.6kg

Size (L × W × H)Not listed

Fuel gaugeYes

ExtrasBluetooth, AIRSTREAM

PlatformFestool 18V

Model codeBP18Li4.0HPC

Charge times

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

576955Rapid charger with active air cooling

32 min

£158.95 at Tooled Up ›

201136Rapid charger

32 min

£69.95 at Tooled Up ›

577019Twin rapid charger (2 at once)

32 min

£156.95 at Tooled Up ›

Festool's own figures. Festool quotes the time to "ready" (over 80%); other brands quote to full. We may earn a commission

Versions

BP18TBX4 NewerReplaces this pack.

BP18Li4.0HPC This one

Not sure which you have? The model code is on the label under the pack.

Fits these tools

Every Festool 18V tool takes this pack. It won't fit other brands' tools.

All 24 Festool 18V tools ›

SDS+ Hammer Drills3 tools › Jigsaws3 tools › Drill Drivers3 tools › Reciprocating Saws2 tools › Random Orbital Sanders2 tools › Trim Routers & Edge Trimmers2 tools › Multi-Tools1 tool › Alligator & Insulation Saws1 tool › Detail & Delta Sanders1 tool › Planers1 tool › Mitre Saws1 tool › Impact Drivers1 tool › Combi Drills1 tool › Circular Saws1 tool › Angle Grinders1 tool ›

2×

Also runs 6 Festool 18V Twin (36V) tools, as a pairBigger tools that take two of these packs at once.

See them ›

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

FestoolBP18Li4.0HPC 72Wh 0.6kg 120 £155.95£38.99

BoschPROCORE18V-40 72Wh 0.52kg 140 £54.99£13.75

Bosch Green1600A011T8 72Wh 0.64kg 113 £59.95£14.99

DeWaltDCB182 72Wh 0.61kg 118 £49.95£12.49

Einhell4511396 72Wh 0.67kg 107 £36.95£9.24

HiKOKIBSL1840M 72Wh 0.56kg 129 No price yet

BP18Li4.0HPC questions

Which tools does the BP18Li4.0HPC fit?

It fits every Festool 18V tool, and two of them run the Festool 18V Twin (36V) tools. It won't fit other brands' tools.

How long does the BP18Li4.0HPC take to charge?

From Festool's own figures: 576955: 32 min, 201136: 32 min, 577019: 32 min. Festool quotes the time to "ready" (over 80%).