Milwaukee M18 B5 18V 5.0Ah REDLITHIUM™ Battery
The Milwaukee M18 B5 18V 5.0Ah REDLITHIUM™ Battery provides dependable cordless power and runtime across the Milwaukee M18 tool system. Designed for professional use, it combines a practical 5.0Ah capacity with advanced battery protection, durable internal construction and an integrated charge indicator.
Manufacturer article number 4932430483, the M18 B5 incorporates REDLINK™ digital overload protection and individual cell monitoring to help protect the battery and connected tool during demanding applications.
Suitable as a replacement battery or an additional pack for an existing Milwaukee M18 setup, the M18 B5 offers a useful balance of runtime, performance and portability for professional site, workshop and maintenance work.
Please note: This product includes one Milwaukee M18 B5 5.0Ah battery only. A Milwaukee M18 charger and power tool are not included.
Reliable 5.0Ah Power for Milwaukee M18 Tools
The Milwaukee M18 B5 provides a practical combination of battery capacity, output and pack weight. Its 18V 5.0Ah specification makes it suitable for a wide range of compatible M18 cordless tools, including drills, impact drivers, impact wrenches, saws, grinders and work lights.
Milwaukee states that its REDLITHIUM™ battery technology can provide up to 2.5 times more runtime, 20% more power and twice the battery life compared with other lithium-ion technologies or earlier Milwaukee battery technology. Actual results depend on the connected tool, application and working conditions.
Key Features and Benefits
- 18V 5.0Ah lithium-ion battery
- Compatible with the Milwaukee M18 cordless system
- Milwaukee REDLITHIUM™ battery technology
- REDLINK™ digital overload protection
- Individual cell monitoring
- Integrated battery fuel gauge
- Durable internal metal frame construction
- Shock-responsive internal separators
- Water-management channels within the battery pack
- Designed to operate in temperatures down to -20°C
- Practical balance of runtime and portability
- Suitable as a replacement or additional M18 battery
- Compatible with suitable Milwaukee M18 chargers
- Milwaukee manufacturer article number 4932430483
REDLINK™ Digital Overload Protection
The M18 B5 incorporates Milwaukee REDLINK™ digital overload protection to help protect the battery and connected cordless tool when working under demanding loads.
REDLINK™ technology supports communication between the battery and compatible M18 equipment, helping manage the cordless system during operation.
Individual cell monitoring supports controlled charging and discharging across the battery pack, helping maintain performance and maximise battery service life.
Durable REDLITHIUM™ Battery Construction
The Milwaukee M18 B5 is designed to withstand the conditions commonly encountered during professional site and workshop use.
A robust internal metal frame and shock-responsive separators help protect the battery pack against excessive vibration and accidental drops. Integrated water-management channels are designed to direct water away from sensitive internal electronics.
Battery care: The water-management design does not make the battery waterproof. Always store, charge and operate the battery in accordance with Milwaukee's instructions.
Integrated Battery Fuel Gauge
The M18 B5 features an integrated fuel gauge that allows users to check the approximate remaining battery charge directly on the pack.
This makes it easier to assess battery availability before beginning work and helps users plan when to change or recharge the battery during longer applications.
Suitable Applications
The Milwaukee M18 B5 is suitable for use with compatible M18 cordless equipment across a wide range of professional trades and working environments.
- Construction and building work
- Carpentry and joinery
- Mechanical and automotive work
- Electrical installation
- Plumbing and HVAC work
- Metalworking and fabrication
- Property and facility maintenance
- Industrial production
- Outdoor maintenance
- Site lighting and compatible equipment
Runtime information: Battery runtime varies according to the connected tool, application, operating speed, material, battery condition and working environment.
Technical Specifications
| Specification | Details |
|---|---|
| Manufacturer | Milwaukee |
| Model | M18 B5 |
| Daly Industrial Supply Product Code | MIL4932430483 |
| Manufacturer Article Number | 4932430483 |
| Product Type | Cordless power tool battery |
| Battery Platform | Milwaukee M18 |
| Battery Voltage | 18V |
| Battery Capacity | 5.0Ah |
| Battery Chemistry | Lithium-ion |
| Battery Technology | REDLITHIUM™ |
| Overload Protection | REDLINK™ digital protection |
| Cell Management | Individual cell monitoring |
| Charge Indicator | Integrated battery fuel gauge |
| Internal Construction | Metal frame with shock-responsive separators |
| Water Management | Internal water-management channels |
| Battery Weight | Approximately 0.7kg |
| Minimum Operating Temperature | Down to -20°C |
| Number of Batteries Supplied | 1 |
| Charger Supplied | No |
| Power Tool Supplied | No |
Milwaukee M18 Battery Compatibility
The Milwaukee M18 B5 is designed for use with compatible Milwaukee M18 cordless tools and Milwaukee M18 battery chargers.
It is suitable for users who need an additional battery for their existing M18 equipment or a replacement for a compatible M18 pack.
Compatible platform: Milwaukee M18 cordless tools and compatible Milwaukee M18 chargers.
Not compatible: Milwaukee M12 or MX FUEL battery platforms.
Always confirm the battery-platform marking on the tool and charger before ordering.
Milwaukee M18 B5 Approximate Charging Times
Charging time depends on the Milwaukee charger being used, as well as battery temperature, condition and the charging environment.
The following approximate charging times are provided for the Milwaukee M18 B5 5.0Ah battery.
| Compatible Milwaukee Charger | Approximate Charging Time |
|---|---|
| M12-18 C Charger | 100 minutes |
| M12-18 FC Rapid Charger | 59 minutes |
| M12-18 GBC4 Charger | 59 minutes |
| M12-18 MBPSC4 Charger | 59 minutes |
Please note: Charging times are approximate and may vary according to battery temperature, battery condition and charging environment. A charger is not included with this battery.
What's Included?
- 1 × Milwaukee M18 B5 18V 5.0Ah REDLITHIUM™ Battery
Battery-only product: A Milwaukee M18 charger and cordless power tool are not included.
Why Choose the Milwaukee M18 B5?
The Milwaukee M18 B5 is a versatile everyday battery for professional users already working with the M18 cordless platform. Its 5.0Ah capacity provides useful runtime while maintaining a practical pack size and weight.
REDLINK™ digital overload protection, individual cell monitoring, robust internal construction and an integrated fuel gauge make it a dependable choice for compatible M18 tools used across sites, workshops and maintenance environments.
Whether replacing an existing battery or adding another pack to minimise interruptions during the working day, the M18 B5 provides a practical combination of performance, compatibility and portability.
Frequently Asked Questions
What is the Milwaukee M18 B5 battery capacity?
The Milwaukee M18 B5 has a capacity of 5.0Ah and operates at 18V.
What is the Milwaukee article number for the M18 B5?
The Milwaukee manufacturer article number is 4932430483. The Daly Industrial Supply Product Code is MIL4932430483.
Is the M18 B5 compatible with Milwaukee M18 tools?
Yes. The M18 B5 is designed for the Milwaukee M18 cordless system. Always confirm that the tool is marked for the M18 battery platform.
Can the Milwaukee M18 B5 be used with M12 tools?
No. Milwaukee M12 and M18 are different battery platforms. The M18 B5 is intended for compatible Milwaukee M18 tools and chargers.
Does the Milwaukee M18 B5 battery include a charger?
No. This product contains one Milwaukee M18 B5 battery. A compatible Milwaukee M18 charger must be purchased separately if required.
How long does a Milwaukee M18 B5 battery take to charge?
Approximate charging time is 59 minutes with selected rapid chargers, including the Milwaukee M12-18 FC. The M12-18 C charger has an approximate charging time of 100 minutes. Actual charging time can vary.
Does the Milwaukee M18 B5 have a charge indicator?
Yes. An integrated fuel gauge allows the user to check the approximate remaining charge directly on the battery.
What is REDLINK™ digital overload protection?
REDLINK™ digital overload protection helps manage communication between the battery and compatible Milwaukee M18 tools, providing protection during demanding applications.
Does the M18 B5 have individual cell monitoring?
Yes. Individual cell monitoring supports controlled charging and discharging across the battery pack, helping maintain performance and battery service life.
Can the Milwaukee M18 B5 battery be used in cold conditions?
Milwaukee specifies operation in temperatures down to -20°C. Always follow the manufacturer's instructions for battery operation, storage and charging, particularly in extreme temperatures.
How much does the Milwaukee M18 B5 weigh?
The Milwaukee M18 B5 battery weighs approximately 0.7kg.
Is the Milwaukee M18 B5 suitable as a spare battery?
Yes. Its 5.0Ah capacity and compatibility with the M18 system make it suitable as an additional battery or as a replacement for an existing compatible M18 battery pack.
Milwaukee M18 Batteries from Daly Industrial Supply
Daly Industrial Supply supplies Milwaukee cordless power tools, REDLITHIUM™ batteries, chargers, accessories, spare parts and after-sales support from Cork.
Whether you need a replacement M18 B5 battery, an additional battery for your existing cordless tools or help selecting a compatible Milwaukee M18 charger, our team can assist.
For pricing, availability or battery compatibility information, contact Daly Industrial Supply on 021 450 0051.
| Voltage (V) | 18 |
|---|---|
| Weight (Kg) | 0.7 |
| Article Number | 4932430483 |
| Battery pack capacity (Ah) | 5 |
| Battery type | Li-ion |
| Supplied in | Blister packaging |
| System | M18 |
| Charge time M1418C6 charger | 100 min |
| Charge time M12_18 AC charger | 100 min |
| Charge time M12_18 C charger | 100 min |
| Charge time M12_18 FC charger | 59 min |