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Milwaukee M18 B4 18V 4.0Ah Redlithium-ion Slide Battery

MILM18B4

We aim to dispatch within 2-3 working days. Free delivery for UK mainland orders over £100.
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Top Features:

  • 4.0Ah capacity provides an ideal balance of runtime and weight
  • REDLITHIUM technology delivers increased power and longer runtime
  • REDLINK overload protection helps safeguard tools and batteries
  • Individual cell monitoring optimises battery performance and lifespan
  • Integrated fuel gauge allows quick charge level checks
  • Durable construction protects against impact and vibration
  • Operates in temperatures as low as -20°C
  • Compatible with all Milwaukee M18 tools and chargers

Description

Milwaukee M18 B4 18V 4.0Ah Redlithium-ion Slide Battery

The Milwaukee M18 B4 18V 4.0Ah Redlithium-ion Slide Battery is a high-performance power tool battery designed to drive Milwaukee M18 cordless tools across a wide range of trade applications. With its 4.0Ah capacity and advanced REDLITHIUM™ cell technology, it delivers extended runtime, consistent power output and reliable performance for drilling, fastening and cutting tasks on site. Integrated REDLINK™ electronics provide overload, temperature and discharge protection, while individual cell monitoring helps maximise service life. A robust metal frame construction with shock-responsive separators and water protection is engineered to withstand vibration, impact and exposure to tough jobsite conditions. The on-board fuel gauge allows quick checks of remaining charge so users can organise charging and minimise downtime. Fully compatible with the Milwaukee M18™ system, this battery is supplied as a single 18V 4.0Ah Redlithium-ion slide pack for use with existing chargers and tools.

4932430063 Features:

  • Milwaukee M18 B4 18V 4.0Ah Redlithium-ion Slide Battery delivers up to 2x more run time to keep cordless tools working longer between charges
  • REDLITHIUM™ battery technology provides up to 20% more power for consistent performance across demanding accessories and applications
  • REDLINK™ digital overload protection helps prevent damage to Milwaukee M18 cordless power tools in abusive jobsite conditions
  • Individual cell monitoring optimises charge and discharge for maximum battery life and long-term reliability
  • Durable metal frame battery construction with shock-responsive separators helps protect against vibration, impact and drops on site
  • Water protection channels moisture away from internal electronics to support dependable use in tough environments
  • Operates in extreme temperatures down to -20 °C, maintaining runtime and battery life in cold-weather conditions
  • On-board battery fuel gauge allows quick checking of remaining charge to maximise productivity and plan charging cycles
  • 18V 4.0Ah capacity offers a strong balance of power, runtime and weight for everyday trade use
  • Fully compatible with the Milwaukee M18™ system for use across a wide range of cordless power tools and accessories

Warranty Information

2 Year Manufacturer Warranty
See Full Description

Milwaukee M18 B4 18V 4.0Ah Redlithium-ion Slide Battery

MILM18B4

£45.99
inc VAT
£38.32
  ex.VAT
Qty:
Adding to basket… The item has been added
We aim to dispatch within 2-3 working days.
Free delivery for UK mainland orders over £100.
Flexible Credit Find out more

Clearpay logoKlarna logoV12 logo

Top Features:

  • 4.0Ah capacity provides an ideal balance of runtime and weight
  • REDLITHIUM technology delivers increased power and longer runtime
  • REDLINK overload protection helps safeguard tools and batteries
  • Individual cell monitoring optimises battery performance and lifespan
  • Integrated fuel gauge allows quick charge level checks
  • Durable construction protects against impact and vibration
  • Operates in temperatures as low as -20°C
  • Compatible with all Milwaukee M18 tools and chargers
Read Product Description

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Product Description

Milwaukee M18 B4 18V 4.0Ah Redlithium-ion Slide Battery

The Milwaukee M18 B4 18V 4.0Ah Redlithium-ion Slide Battery is a high-performance power tool battery designed to drive Milwaukee M18 cordless tools across a wide range of trade applications. With its 4.0Ah capacity and advanced REDLITHIUM™ cell technology, it delivers extended runtime, consistent power output and reliable performance for drilling, fastening and cutting tasks on site. Integrated REDLINK™ electronics provide overload, temperature and discharge protection, while individual cell monitoring helps maximise service life. A robust metal frame construction with shock-responsive separators and water protection is engineered to withstand vibration, impact and exposure to tough jobsite conditions. The on-board fuel gauge allows quick checks of remaining charge so users can organise charging and minimise downtime. Fully compatible with the Milwaukee M18™ system, this battery is supplied as a single 18V 4.0Ah Redlithium-ion slide pack for use with existing chargers and tools.

4932430063 Features:

  • Milwaukee M18 B4 18V 4.0Ah Redlithium-ion Slide Battery delivers up to 2x more run time to keep cordless tools working longer between charges
  • REDLITHIUM™ battery technology provides up to 20% more power for consistent performance across demanding accessories and applications
  • REDLINK™ digital overload protection helps prevent damage to Milwaukee M18 cordless power tools in abusive jobsite conditions
  • Individual cell monitoring optimises charge and discharge for maximum battery life and long-term reliability
  • Durable metal frame battery construction with shock-responsive separators helps protect against vibration, impact and drops on site
  • Water protection channels moisture away from internal electronics to support dependable use in tough environments
  • Operates in extreme temperatures down to -20 °C, maintaining runtime and battery life in cold-weather conditions
  • On-board battery fuel gauge allows quick checking of remaining charge to maximise productivity and plan charging cycles
  • 18V 4.0Ah capacity offers a strong balance of power, runtime and weight for everyday trade use
  • Fully compatible with the Milwaukee M18™ system for use across a wide range of cordless power tools and accessories

Warranty Information

2 Year Manufacturer Warranty

Specification

pdp: https://store-hczpll0y.mybigcommerce.com/content/Thumbnails/Redemptions/Milwaukee_M18Offer_2_PDP.webp
pdp_link: https://www.toolden.co.uk/tool-brands/milwaukee/
promo-box: https://cdn11.bigcommerce.com/s-hczpll0y/images/stencil/original/image-manager/toolden-blankimage.png
brand-name-xt: https://cdn11.bigcommerce.com/s-hczpll0y/images/stencil/320w/image-manager/milwaukee-authorised-distributor-logo-sticker-landscape.jpg?t=1707395523
Battery Capacity: 4.0Ah
Country of Origin: United Kingdom
brand-link-xt: https://www.toolden.co.uk/tool-brands/milwaukee/
top_feature: 4.0Ah capacity provides an ideal balance of runtime and weight
top_feature: REDLITHIUM technology delivers increased power and longer runtime
top_feature: REDLINK overload protection helps safeguard tools and batteries
top_feature: Individual cell monitoring optimises battery performance and lifespan
top_feature: Integrated fuel gauge allows quick charge level checks
top_feature: Durable construction protects against impact and vibration
top_feature: Operates in temperatures as low as -20°C
top_feature: Compatible with all Milwaukee M18 tools and chargers
Brand: Milwaukee
Model: M18B4
System compatibility: M18
Battery type: Li-ion
Battery technology: REDLITHIUM
Battery pack capacity: 4.0Ah
Charge time with M12_18 AC charger: 80min
Charge time with M12_18 C charger: 80min
Charge time with M12_18 FC charger: 52min
Charge time with M12_18 SC charger: 52min
Charge time with M1418C6 charger: 80min
Charge time with M18 DFC charger: 52min
Charger included: No charger supplied
Supplied in: No kit box or bag supplied
Operating temperature range: Down to -20 
On-board fuel gauge: Yes
Overload protection: REDLINK digital overload protection
Cell monitoring: Individual cell monitoring
Battery construction: Durable metal frame with shock-responsive separators
Water protection: Routes water away from electronics and out of the pack
Weight: 0.7kg
GTIN: 4002395377244
Manufacturer part number (MPN): 4932430063
FQQ: What is the voltage and capacity of the M18B4 battery?
FAA: It is an 18V, 4.0Ah lithium-ion battery.
FQQ: Is the M18B4 compatible with all Milwaukee M18 tools?
FAA: Yes, it is compatible with all Milwaukee M18 system tools.
FQQ: What are the key performance benefits of REDLITHIUM technology?
FAA: It delivers up to 2x more run time, up to 20% more power and up to 2x more battery life compared with previous or other lithium-ion technologies, depending on the tool and application.
FQQ: Does the battery include overload protection?
FAA: Yes, REDLINK digital overload protection helps protect the tool and battery in demanding situations.
FQQ: How does the battery manage individual cells?
FAA: Individual cell monitoring optimises charge and discharge for maximum battery life.
FQQ: Is the M18B4 designed to withstand tough site conditions?
FAA: Yes, it has a durable metal frame and shock responsive separators to help prevent pack failure from vibration or drops.
FQQ: Can I use this battery in cold weather?
FAA: Yes, it operates in temperatures as low as -20°C without compromising run time or battery life.
FQQ: Does the battery have water protection?
FAA: Yes, its design routes water away from the electronics and out of the pack.
FQQ: Is there a way to check the remaining charge on the battery?
FAA: Yes, an on-board fuel gauge shows the charge status to help you maximise run-time efficiency.
FQQ: How long does the M18B4 take to charge?
FAA: Typical charge time is approximately 52-80 minutes, depending on the charger used.
Included: 1x Milwaukee M18B4 18V 4.0Ah REDLITHIUM-ION Slide Battery Pack

Product Videos

Frequently Asked Questions

Q: What is the voltage and capacity of the M18B4 battery?

A:

It is an 18V, 4.0Ah lithium-ion battery.

Q: Is the M18B4 compatible with all Milwaukee M18 tools?

A:

Yes, it is compatible with all Milwaukee M18 system tools.

Q: What are the key performance benefits of REDLITHIUM technology?

A:

It delivers up to 2x more run time, up to 20% more power and up to 2x more battery life compared with previous or other lithium-ion technologies, depending on the tool and application.

Q: Does the battery include overload protection?

A:

Yes, REDLINK digital overload protection helps protect the tool and battery in demanding situations.

Q: How does the battery manage individual cells?

A:

Individual cell monitoring optimises charge and discharge for maximum battery life.

Q: Is the M18B4 designed to withstand tough site conditions?

A:

Yes, it has a durable metal frame and shock responsive separators to help prevent pack failure from vibration or drops.

Q: Can I use this battery in cold weather?

A:

Yes, it operates in temperatures as low as -20°C without compromising run time or battery life.

Q: Does the battery have water protection?

A:

Yes, its design routes water away from the electronics and out of the pack.

Q: Is there a way to check the remaining charge on the battery?

A:

Yes, an on-board fuel gauge shows the charge status to help you maximise run-time efficiency.

Q: How long does the M18B4 take to charge?

A:

Typical charge time is approximately 52-80 minutes, depending on the charger used.

Milwaukee M18 B4 18V 4.0Ah Redlithium-ion Slide Battery

The Milwaukee M18 B4 18V 4.0Ah Redlithium-ion Slide Battery is a high-performance power tool battery designed to drive Milwaukee M18 cordless tools across a wide range of trade applications. With its 4.0Ah capacity and advanced REDLITHIUM™ cell technology, it delivers extended runtime, consistent power output and reliable performance for drilling, fastening and cutting tasks on site. Integrated REDLINK™ electronics provide overload, temperature and discharge protection, while individual cell monitoring helps maximise service life. A robust metal frame construction with shock-responsive separators and water protection is engineered to withstand vibration, impact and exposure to tough jobsite conditions. The on-board fuel gauge allows quick checks of remaining charge so users can organise charging and minimise downtime. Fully compatible with the Milwaukee M18™ system, this battery is supplied as a single 18V 4.0Ah Redlithium-ion slide pack for use with existing chargers and tools.

4932430063 Features:

  • Milwaukee M18 B4 18V 4.0Ah Redlithium-ion Slide Battery delivers up to 2x more run time to keep cordless tools working longer between charges
  • REDLITHIUM™ battery technology provides up to 20% more power for consistent performance across demanding accessories and applications
  • REDLINK™ digital overload protection helps prevent damage to Milwaukee M18 cordless power tools in abusive jobsite conditions
  • Individual cell monitoring optimises charge and discharge for maximum battery life and long-term reliability
  • Durable metal frame battery construction with shock-responsive separators helps protect against vibration, impact and drops on site
  • Water protection channels moisture away from internal electronics to support dependable use in tough environments
  • Operates in extreme temperatures down to -20 °C, maintaining runtime and battery life in cold-weather conditions
  • On-board battery fuel gauge allows quick checking of remaining charge to maximise productivity and plan charging cycles
  • 18V 4.0Ah capacity offers a strong balance of power, runtime and weight for everyday trade use
  • Fully compatible with the Milwaukee M18™ system for use across a wide range of cordless power tools and accessories

Warranty Information

2 Year Manufacturer Warranty
  • 1x Milwaukee M18B4 18V 4.0Ah REDLITHIUM-ION Slide Battery Pack
pdp: https://store-hczpll0y.mybigcommerce.com/content/Thumbnails/Redemptions/Milwaukee_M18Offer_2_PDP.webp
pdp_link: https://www.toolden.co.uk/tool-brands/milwaukee/
promo-box: https://cdn11.bigcommerce.com/s-hczpll0y/images/stencil/original/image-manager/toolden-blankimage.png
brand-name-xt: https://cdn11.bigcommerce.com/s-hczpll0y/images/stencil/320w/image-manager/milwaukee-authorised-distributor-logo-sticker-landscape.jpg?t=1707395523
Battery Capacity: 4.0Ah
Country of Origin: United Kingdom
brand-link-xt: https://www.toolden.co.uk/tool-brands/milwaukee/
top_feature: 4.0Ah capacity provides an ideal balance of runtime and weight
top_feature: REDLITHIUM technology delivers increased power and longer runtime
top_feature: REDLINK overload protection helps safeguard tools and batteries
top_feature: Individual cell monitoring optimises battery performance and lifespan
top_feature: Integrated fuel gauge allows quick charge level checks
top_feature: Durable construction protects against impact and vibration
top_feature: Operates in temperatures as low as -20°C
top_feature: Compatible with all Milwaukee M18 tools and chargers
Brand: Milwaukee
Model: M18B4
System compatibility: M18
Battery type: Li-ion
Battery technology: REDLITHIUM
Battery pack capacity: 4.0Ah
Charge time with M12_18 AC charger: 80min
Charge time with M12_18 C charger: 80min
Charge time with M12_18 FC charger: 52min
Charge time with M12_18 SC charger: 52min
Charge time with M1418C6 charger: 80min
Charge time with M18 DFC charger: 52min
Charger included: No charger supplied
Supplied in: No kit box or bag supplied
Operating temperature range: Down to -20 
On-board fuel gauge: Yes
Overload protection: REDLINK digital overload protection
Cell monitoring: Individual cell monitoring
Battery construction: Durable metal frame with shock-responsive separators
Water protection: Routes water away from electronics and out of the pack
Weight: 0.7kg
GTIN: 4002395377244
Manufacturer part number (MPN): 4932430063
FQQ: What is the voltage and capacity of the M18B4 battery?
FAA: It is an 18V, 4.0Ah lithium-ion battery.
FQQ: Is the M18B4 compatible with all Milwaukee M18 tools?
FAA: Yes, it is compatible with all Milwaukee M18 system tools.
FQQ: What are the key performance benefits of REDLITHIUM technology?
FAA: It delivers up to 2x more run time, up to 20% more power and up to 2x more battery life compared with previous or other lithium-ion technologies, depending on the tool and application.
FQQ: Does the battery include overload protection?
FAA: Yes, REDLINK digital overload protection helps protect the tool and battery in demanding situations.
FQQ: How does the battery manage individual cells?
FAA: Individual cell monitoring optimises charge and discharge for maximum battery life.
FQQ: Is the M18B4 designed to withstand tough site conditions?
FAA: Yes, it has a durable metal frame and shock responsive separators to help prevent pack failure from vibration or drops.
FQQ: Can I use this battery in cold weather?
FAA: Yes, it operates in temperatures as low as -20°C without compromising run time or battery life.
FQQ: Does the battery have water protection?
FAA: Yes, its design routes water away from the electronics and out of the pack.
FQQ: Is there a way to check the remaining charge on the battery?
FAA: Yes, an on-board fuel gauge shows the charge status to help you maximise run-time efficiency.
FQQ: How long does the M18B4 take to charge?
FAA: Typical charge time is approximately 52-80 minutes, depending on the charger used.
Included: 1x Milwaukee M18B4 18V 4.0Ah REDLITHIUM-ION Slide Battery Pack

Toolden is a Milwaukee Authorised Distributor. As an authorised distributor we strive to offer the best aftercare experience and make sure our customers get access to professional advice and full warranty benefits. For full warranty details, please click the link below.

More Info

What is the voltage and capacity of the M18B4 battery?

A

It is an 18V, 4.0Ah lithium-ion battery.

Is the M18B4 compatible with all Milwaukee M18 tools?

A

Yes, it is compatible with all Milwaukee M18 system tools.

What are the key performance benefits of REDLITHIUM technology?

A

It delivers up to 2x more run time, up to 20% more power and up to 2x more battery life compared with previous or other lithium-ion technologies, depending on the tool and application.

Does the battery include overload protection?

A

Yes, REDLINK digital overload protection helps protect the tool and battery in demanding situations.

How does the battery manage individual cells?

A

Individual cell monitoring optimises charge and discharge for maximum battery life.

Is the M18B4 designed to withstand tough site conditions?

A

Yes, it has a durable metal frame and shock responsive separators to help prevent pack failure from vibration or drops.

Can I use this battery in cold weather?

A

Yes, it operates in temperatures as low as -20°C without compromising run time or battery life.

Does the battery have water protection?

A

Yes, its design routes water away from the electronics and out of the pack.

Is there a way to check the remaining charge on the battery?

A

Yes, an on-board fuel gauge shows the charge status to help you maximise run-time efficiency.

How long does the M18B4 take to charge?

A

Typical charge time is approximately 52-80 minutes, depending on the charger used.

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Milwaukee 4932430063

Milwaukee M18 B4 18V 4.0Ah Redlithium-ion Slide Battery

MILM18B4

£45.99
inc VAT
£38.32
  ex.VAT
Adding to basket… The item has been added
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