Specs from the makers' own documentation Battery compatibility built in UK retailer prices, updated daily 25+ years of trade experience
‹ All Festool 18V batteries
18V Festool BP18TBX8
Fits
24 Festool 18V tools + 6 moreSee them ›
Charges
1 hr 20 min on all 2 chargers Festool lists for itCharge times ›
Specs
From Festool's own documentation
Festool · 18V platform

Festool BP18TBX8 18V 8.0Ah Tabless battery

8.0Ah 144Wh 1kg 21700 tabless cells Fuel gauge

Festool BP 18 TBX 8 tabless pack, 8.0Ah (144Wh), 1.0kg, launched April 2026. Festool calls it its most powerful 18V pack. Bluetooth auto-start and AIRSTREAM fast charging.

Adds it to My Tools, kept on this device
Lowest price we track
£199.95at Tooled Up · + £6.95 delivery
View at Tooled Up ›
Compare retailersTotal with delivery
Tooled Up Lowest£199.95 + £6.95 delivery£206.90View ›
My Tool Shed£199.95 + £6.95 delivery£206.90View ›
Prices from UK retailer feeds, updated daily.We may earn a commission
8.0AhCapacitymaker figure
144WhEnergymaker figure
1kgWeightmaker figure
144Wh/kgEnergy for its weightworked out
£24.99Per 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 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 This one 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. "Not listed" where Festool doesn't publish a figure.

Voltage18V
Capacity8.0Ah
Energy144Wh
ChemistryLi-ion (cylindrical)
Cell type21700 tabless
Weight1kg
Size (L × W × H)Not listed
Fuel gaugeYes
ExtrasBluetooth, AIRSTREAM
Released2026
PlatformFestool 18V
Model codeBP18TBX8

Charge times

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

201136Rapid charger
1 hr 20 min
£69.95 at Tooled Up ›
577019Twin rapid charger (2 at once)
1 hr 20 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

BP18TBX8 This one, currentWhat changed from the 577323: Tabless cell version that replaces the BP 18 Li 8,0 HP-ASI. Festool quotes charging cycles up to 49% shorter on the SCA 16.
577323 Older modelStill fits the same tools on Festool 18V.

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

Kits with this battery

Bought in a kit, the packs can work out cheaper. Contents from the UK retailer listing.

All Festool 18V kits ›
SYS 18V 2xTBX8/SCA16 (2x BP 18 TBX 8 ASI + SCA 16, Systainer SYS3 M 187)
SYS 18V 2xTBX8/SCA16 (2x BP 18 TBX 8 ASI + SCA 16, Systainer SYS3 M 187) Kit
2x 8Ah · 18V
2x BP 18 TBX 8 ASI 8.0Ah batteries, SCA 16 charger, Systainer SYS3 M 187
from £469.95
at Tooled Up · + £6.95 delivery
View at Tooled Up ›
Compare 2 retailers
Tooled Up+ £6.95 delivery £469.95 View ›
My Tool Shed+ £6.95 delivery £469.95 View ›
We may earn a commission
18V 2xTBX8/SCA16 (2x BP 18 TBX 8 ASI + SCA 16)
18V 2xTBX8/SCA16 (2x BP 18 TBX 8 ASI + SCA 16) Kit
2x 8Ah · 18V
2x BP 18 TBX 8 ASI 8.0Ah batteries, SCA 16 charger (no case)
from £521.95
at Tooled Up · Free delivery · Available to order
View at Tooled Up ›
Compare 2 retailers
Tooled UpFree delivery · Available to order £521.95 View ›
My Tool ShedFree delivery · Available to order £521.95 View ›
We may earn a commission

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 ›

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
FestoolBP18TBX8 144Wh 1kg 144 £199.95£24.99
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
HiKOKIBSL3640MVT 144Wh 0.98kg 147 No price yet
MilwaukeeM18FB8 144Wh 1.08kg 133 No price yet

BP18TBX8 questions

Which tools does the BP18TBX8 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.

What's the difference between the 577323 and the BP18TBX8?

Tabless cell version that replaces the BP 18 Li 8,0 HP-ASI. Festool quotes charging cycles up to 49% shorter on the SCA 16.

How long does the BP18TBX8 take to charge?

From Festool's own figures: 201136: 1 hr 20 min, 577019: 1 hr 20 min. Festool quotes the time to "ready" (over 80%).

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