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M12™ 4.0Ah REDLITHIUM™-ION Battery Pack
M12™ 4.0Ah REDLITHIUM™-ION Battery Pack
M12™ 4.0Ah REDLITHIUM™-ION Battery Pack

M12™ REDLITHIUM™ 4.0Ah Battery

M12B4
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M12™ REDLITHIUM™ 4.0Ah Battery

M12B4
  • bvseo_sdk, dw_cartridge, 18.2.0, p_sdk_3.2.0
  • CLOUD, getAggregateRating, 163ms
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Promo Dates: 1st December - 31st December 2025

*Spend $1,500 or $3,000 in one transaction on any Milwaukee product between the 1st and 31st of December 2025, from any Authorised dealer and redeem the corresponding Milwaukee product bundle.

T&Cs apply.

What's Included

Features

REDLINK™ PLUS Electronic Intelligence enables advanced communication between your batteries and tools, allowing for unmatched levels of performance, protection, and productivity.
Fuel gauge onboard: Displays remaining runtime for less downtime on the job.
Versatility: Powers all compatiable Milwaukee M12™ cordless power tools.
Best-in-class construction: offers long lasting performance and durability.

Product Summary

Delivers maximum runtime, maximum power and more recharges than standard lithium-ion batteries. The M12™ REDLITHIUM™ 4.0Ah Battery features superior pack construction, electronics and performance to deliver more work per charge and more work over pack life than any battery on the market. With MILWAUKEE durability built into each pack, this battery runs cooler and performs in climates below 0°F/-18°C. Managed by MILWAUKEE’s exclusive REDLINK™ PLUS Intelligence, the battery features overload protection to prevent you from damaging your cordless power tools in heavy-duty situations, while the discharge protection prevents cell damage. The temperature management system and individual cell monitoring help maximise battery life.

Overview Specifications What's Included Resources Reviews

Specifications

Platform M12™
Warranty - Battery/Charger 2 Years

What's Included

M12™ REDLITHIUM™ 4.0Ah Battery
M12B4
X1
Note:  (Not included) Charger

Frequently used with

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Product Highlights
m12 logo

Reviews

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