Milwaukee M12B4

12 V
42Ratings
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Delivered between 2.1.2026 and 8.1.2026
More than 10 pieces in stock at supplier
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Battery equipment2

Capacity2

Product details

Delivery contents:

  • 1x Milwaukee M12 B4 12 V 4.0 Ah / 4000 mAh Li-Ion slide battery

Product description:

Milwaukee offers a compact 12 V battery with the M12 B4 for its M12 range. This battery provides up to 2x longer runtime and 20% more power compared to previous Milwaukee battery technology. The digital overload protection prevents accidental damage to the battery. Individual cell monitoring ensures optimal charging and discharging for maximum lifespan. Milwaukee is a leading manufacturer of all types of power tools, known for its long tradition and high quality of workmanship.

Technical specifications:

Manufacturer: Milwaukee
Manufacturer number: 4932430065
Manufacturer designation: M12 B4
Charging time with C12 C charger: 80 min
Charging time with M12 C4 charger: 80 min
Charging time with M12 TC charger: 347 min
Charging time with M12-18 AC charger: 115 min
Charging time with M12-18 C charger: 80 min
Charging time with M12-18 FC charger: 52 min
Charging time with M12-18 SC charger: 52 min
System: M12
Weight: 400 g

For commercial use, please observe the building regulations!.

Key specifications

Battery type
Li-ion
Tool battery + charger Type
Tool battery
Battery system
Milwaukee M12
Battery voltage
12 V
Capacity
4 Ah
Item number
10372443

General information

Manufacturer
Milwaukee
Category
Tool batteries + Chargers
Manufacturer no.
M12B4
Release date
28.1.2019

Colour

Colour
Multicoloured
Exact colour description
Multicolored

Material

Material group
Metal
Material
Metal

Tool battery + charger Features

Tool battery + charger Type
Tool battery
Tool battery + charger technology
Battery management system ABS

Battery / accumulator features

Battery type
Li-ion
Battery voltage
12 V
Capacity
4 Ah
Charging time
80 min
Battery system
Milwaukee M12
Battery equipment
No batteries supplied
Charger equipment
Charger supplied
Battery
Rechargeable battery
Battery category
Device batteries
Battery size
Device specific

Origin

Country of origin
China

Voluntary climate contribution

CO₂-Emission
Climate contribution

Scope of delivery

Items per sales unit
1x

Product dimensions

Length
35 cm
Width
4 cm
Height
4 cm
Weight
260 g

Package dimensions

Length
11.70 cm
Width
8.70 cm
Height
6.70 cm
Weight
418 g

30-day right of return
24 Months Warranty (Bring-in)

Compare products

Goes with

Reviews & Ratings

Warranty score

How often does a product of this brand in the «Tool batteries + Chargers» category have a defect within the first 24 months?

Source: Digitec Galaxus
  • 12.Black & Decker
    0.8 %
  • 12.Husqvarna
    0.8 %
  • 12.Milwaukee
    0.8 %
  • 12.Ryobi
    0.8 %
  • 12.Stanley
    0.8 %

Warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Digitec Galaxus
  • Milwaukee
    Not enough data
  • 1.Bosch Home & Garden
    0 days
  • 1.Bosch Professional Zubehör
    0 days
  • 1.Einhell
    0 days
  • 1.Gardena
    0 days

Return rate

How often is a product of this brand in the «Tool batteries + Chargers» category returned?

Source: Digitec Galaxus
  • 1.Einhell
    1.3 %
  • 1.Kärcher Professional
    1.3 %
  • 3.Milwaukee
    1.5 %
  • 3.Ryobi
    1.5 %
  • 5.Bosch Professional
    1.6 %
Source: Digitec Galaxus