‹ All Bosch 12V Professional batteries

12V Professional Bosch GBA12V-30

Fits

21 Bosch 12V Professional toolsSee them ›

Charges

54 min on the GAL12V18V-80, the fastest of 3Charge times ›

Specs

From Bosch's own documentationChecked 24 Sep 2026

Bosch · 12V Professional platform

Bosch GBA12V-30 12V 3.0Ah battery

3.0Ah 36Wh 0.18kg

Bosch GBA 12V 3.0Ah Professional pack. 0.18kg.

Adds it to My Tools, kept on this device

Lowest price we track

£55.00at Machine Mart · + £4.99 delivery

View at Machine Mart ›

Compare retailersTotal with delivery

Machine Mart Lowest£55.00 + £4.99 delivery£59.99View ›

Tooled Up£56.95 + £6.95 delivery · Available to order£63.90View ›

My Tool Shed£56.95 + £6.95 delivery · Available to order£63.90View ›

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

3.0AhCapacitymaker figure

36WhEnergymaker figure

0.18kgWeightmaker figure

200Wh/kgEnergy for its weightworked out

£18.33Per 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 12V Professional batteries ›

ModelSizeEnergyWeightLowest pricePer Ah

GBA12V-20 2.0Ah 24Wh 0.18kg £46.99 £23.50 per Ah

GBA12V-30 This one 3.0Ah 36Wh 0.18kg £55.00 £18.33 per Ah

GBA12V-60 6.0Ah 72Wh 0.39kg £79.99 £13.33 per Ah

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, checked 24/09/2026. "Not listed" where Bosch doesn't publish a figure.

Voltage12V

Capacity3.0Ah

Energy36Wh

ChemistryLi-ion (cylindrical)

Cell typeNot listed

Weight0.18kg

Size (L × W × H)50 × 47 × 86 mm

Fuel gaugeNot listed

PlatformBosch 12V Professional

Model codeGBA12V-30

Charge times

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

GAL12V18V-8012V/18V fast charger

54 min

£72.95 at Tooled Up ›

GAL12V-40Fast charger

57 min

£45.95 at Tooled Up ›

GAL12V-20Compact charger

1 hr 35 min

£26.95 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 12V Professional kits ›

2x GBA 12V 3.0Ah + GAL 12V-40 starter set Kit

2x 3Ah · 12V

2x GBA 12V 3.0Ah batteries, GAL 12V-40 charger

from £113.95

at Tooled Up · + £5.95 delivery · Available to order

View at Tooled Up ›

Compare 2 retailers

Tooled Up+ £5.95 delivery · Available to order £113.95 View ›

My Tool Shed+ £5.95 delivery · Available to order £113.95 View ›

We may earn a commission

Fits these tools

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

All 21 Bosch 12V Professional tools ›

Mini & Spot Repair Sanders3 tools › Ratchets2 tools › Reciprocating Saws2 tools › Dual Action Polishers2 tools › Random Orbital Sanders2 tools › Multi-Tools1 tool › Rotary Polishers1 tool › Sheet & Palm Sanders1 tool › Trim Routers & Edge Trimmers1 tool › Planers1 tool › Jigsaws1 tool › Handheld Vacuums1 tool › Angle Drills1 tool › Impact Drivers1 tool › Circular Saws1 tool ›

3.0Ah 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

BoschGBA12V-30 36Wh 0.18kg 200 £55.00£18.33

DeWaltDCB124 32Wh 0.25kg 130 No price yet

MilwaukeeM12B3 36Wh 0.2kg 180 £29.95£9.98

GBA12V-30 questions

Which tools does the GBA12V-30 fit?

It fits every Bosch 12V Professional tool. It won't fit other brands' tools.

How long does the GBA12V-30 take to charge?

From Bosch's own figures: GAL12V18V-80: 54 min, GAL12V-40: 57 min, GAL12V-20: 1 hr 35 min.