Specs from the makers' own documentation Battery compatibility built in UK retailer prices, updated daily 25+ years of trade experience
‹ All Bosch 18V Professional batteries
18V Professional Bosch GBA18V-40
Fits
102 Bosch 18V Professional toolsSee them ›
Charges
25 min on 2 of the 6 chargers Bosch lists for itCharge times ›
Specs
From Bosch's own documentation
Bosch · 18V Professional platform

Bosch GBA18V-40 18V 4.0Ah battery

4.0Ah 72Wh 0.6kg Fuel gauge

Bosch GBA 18V 4.0Ah 18V Professional pack (72Wh), 0.6kg. GBA line. Fuel gauge.

Adds it to My Tools, kept on this device
Lowest price we track
£73.99at Machine Mart · + £4.99 delivery
View at Machine Mart ›
Compare retailersTotal with delivery
Machine Mart Lowest£73.99 + £4.99 delivery£78.98View ›
Tooled Up£76.95 + £6.95 delivery · Available to order£83.90View ›
My Tool Shed£76.95 + £6.95 delivery · Available to order£83.90View ›
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
£18.50Per 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 Bosch 18V Professional batteries ›
ModelSizeEnergyWeightLowest pricePer Ah
GBA18V-20 2.0Ah 36Wh 0.35kg £56.99 £28.50 per Ah
GBA18V-30 3.0Ah 54Wh 0.6kg No price yet
EXBA18V-40 4.0Ah 72Wh 0.61kg No price yet
GBA18V-40 This one 4.0Ah 72Wh 0.6kg £73.99 £18.50 per Ah
PROCORE18V-40 4.0Ah 72Wh 0.52kg £54.99 £13.75 per Ah
GBA18V-50 5.0Ah 90Wh 0.62kg £85.00 £17.00 per Ah
EXBA18V-55 5.5Ah 99Wh 1.02kg £157.95 £28.72 per Ah
PROCORE18V-55 5.5Ah 99Wh 0.96kg No price yet
EXBA18V-80 8.0Ah 144Wh 1.04kg £182.95 £22.87 per Ah
PROCORE18V-80 8.0Ah 144Wh 0.96kg No price yet
PROCORE18VPLUS-80 8.0Ah 144Wh 1kg No price yet
PROCORE18V-120 12.0Ah 216Wh 1.35kg No price yet
EXBA18V-150 15.0Ah 270Wh 1.52kg No price yet

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

Full specs

From Bosch's own documentation. "Not listed" where Bosch doesn't publish a figure.

Voltage18V
Capacity4.0Ah
Energy72Wh
ChemistryLi-ion (cylindrical)
Cell typeNot listed
Weight0.6kg
Size (L × W × H)114 × 74 × 56 mm
Fuel gaugeYes
ExtrasCOOLPACK 1.0
PlatformBosch 18V Professional
Model codeGBA18V-40

Charge times

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

GAL18V-160Ultra-fast charger
25 min
£49.99 at Tooled Up ›
GAL18V-160CUltra-fast charger with Bluetooth connectivity
25 min
No retailer price yet
GAL12V18V-8012V/18V fast charger
35 min
£72.95 at Tooled Up ›
GAL1880CVFast charger
35 min
No retailer price yet
GAL18V6-806-bay fast charger
37 min
£122.95 at Tooled Up ›
GAL18V-40Fast charger
1 hr 5 min
£45.95 at Tooled Up ›

Bosch's own figures. We may earn a commission

Kits with this battery

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

All Bosch 18V Professional kits ›
2x GBA 18V 4.0Ah + GAL 18V-40 starter set
2x GBA 18V 4.0Ah + GAL 18V-40 starter set Kit
2x 4Ah · 18V
2x GBA 18V 4.0Ah batteries, GAL 18V-40 charger
from £197.95
at Tooled Up · + £6.95 delivery · Available to order
View at Tooled Up ›
Compare 2 retailers
Tooled Up+ £6.95 delivery · Available to order £197.95 View ›
My Tool Shed+ £6.95 delivery · Available to order £197.95 View ›
We may earn a commission
6x GBA 18V 4.0Ah in L-BOXX 136
6x GBA 18V 4.0Ah in L-BOXX 136 Kit
6x 4Ah · 18V
6x GBA 18V 4.0Ah batteries in an L-BOXX (no charger)
from £414.95
at Tooled Up · + £6.95 delivery · Available to order
View at Tooled Up ›
Compare 2 retailers
Tooled Up+ £6.95 delivery · Available to order £414.95 View ›
My Tool Shed+ £6.95 delivery · Available to order £414.95 View ›
We may earn a commission

Fits these tools

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

All 102 Bosch 18V Professional tools ›
SDS+ Hammer Drills16 tools › Circular Saws9 tools › Reciprocating Saws7 tools › Jigsaws7 tools › Impact Drivers6 tools › Angle Grinders6 tools › Combi Drills5 tools › Random Orbital Sanders4 tools › Second Fix Nailers4 tools › First Fix Nailers4 tools › SDS Max Hammer Drills4 tools › Multi-Tools3 tools › Sheet & Palm Sanders3 tools › Mitre Saws3 tools › Brad Nailers2 tools › Concrete & Steel Nailers2 tools › Site Vacuums2 tools › Angle Drills2 tools › Drill Drivers2 tools › Table Saws1 tool › Ratchets1 tool › Demolition Hammers1 tool › Belt Sanders1 tool › Trim Routers & Edge Trimmers1 tool › Planers1 tool › Diamond Core Drills1 tool › Dust Extractors1 tool › Handheld Vacuums1 tool › Plunge Saws1 tool › Metal Cutting 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
BoschGBA18V-40 72Wh 0.6kg 120 £73.99£18.50
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
FestoolBP18Li4.0HPC 72Wh 0.6kg 120 £155.95£38.99
HiKOKIBSL1840M 72Wh 0.56kg 129 No price yet

GBA18V-40 questions

Which tools does the GBA18V-40 fit?

It fits every Bosch 18V Professional tool. It won't fit other brands' tools.

How long does the GBA18V-40 take to charge?

From Bosch's own figures: GAL18V-160: 25 min, GAL18V-160C: 25 min, GAL12V18V-80: 35 min, GAL1880CV: 35 min, GAL18V6-80: 37 min, GAL18V-40: 1 hr 5 min.

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