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Milwaukee 18V 12.0Ah REDLITHIUM™ FORGE™ Battery M18FB12

Milwaukee 18V 12.0Ah REDLITHIUM™ FORGE™ Battery M18FB12

Milwaukee · Beyond Tools

$439Available

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Default Title — Available. This price is from the selected variant; variant history is still being established. We've recorded it as low as $439.

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In stock when we last checked on 10 Aug 2026. Prices change — confirm on the store's page before buying.

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We started tracking this on 10 Aug 2026 and have recorded a single price so far. The chart appears once we've seen the price move.

Description

As published by Beyond Tools

The M18™ REDLITHIUM™ FORGE™ 12.0Ah Battery delivers 50% more power than the HIGH OUTPUT™ 12.0Ah Battery, with high-speed cooling when paired with M18™ chargers with COOL-CYCLE functionality for less downtime in high-demand applications, 35 minute supercharge to 80%, and the longest life vs standard REDLITHIUM™ batteries. REDLITHIUM™ FORGE™ are Milwaukee's most powerful, fastest charging, and longest life batteries. The M18™ REDLITHIUM™ FORGE™ 12.0Ah Battery is COOL-CYCLE capable, with this Active Cooling System providing high-speed cooling for maximising efficiency for less downtime. An upgraded venting design maximises active cooling, while a patented ingress coating provides a protection barrier against water and debris. When paired with the M18™ Dual Bay Super Charger (M18DBSC), the M18FB12 charges to 80% in 35 minutes, and 100% in 45 minutes, allowing users to maximise productivity. This lithium-ion battery has the longest life, the most recharges, and maintains ultimate performance over the life of the battery. The battery is also designed with a resistant housing for increased protection against exposure to common oils, greases, and solvents. Built-in REDLINK™ Intelligence protects the battery from overloads, preventing users from damaging their cordless power tools in heavy-duty situations. The REDLITHIUM™ FORGE™ 12.0Ah battery is fully compatible with 250+ M18™ solutions.

Features:

  • REDLITHIUM™ FORGE™ provides the most power, faster charging, and longer life vs standard REDLITHIUM™ batteries
  • Delivers 50% more power than the HIGH OUTPUT™ 12.0Ah Battery
  • COOL-CYCLE™ Active Cooling System provides high-speed cooling for less downtime, when paired with COOL-CYCLE™ capable
  • 35 minute supercharge to 80% and 45 minutes supercharge to 100% when charging one M18FB8 using the M18™ Dual Bay Super Charger (M18DBSC)
  • Longest life for the most recharges and best performance over the life of the pack
  • Patented ingress coating provides increased protection to maximise active cooling through an upgraded venting design
  • Resistant housing designed to provide increased protection against exposure to common oils, greases, and solvents
  • Enhanced onboard fuel gauge with rubber overmold and improved readability in direct sunlight.
  • REDLINK™ battery circuitry provides optimised performance and overload protection using total system communication between tool, battery and charger
  • Fully compatible with the M18™ system, featuring 250+ tools

Includes:

  • (1) M18™ REDLITHIUM™ FORGE™ 12.0Ah Battery [M18FB12]

Specifications:

  • Battery Type: FORGE™
  • Amp Hour: 12.0Ah
  • Fuel Gauge: 4 LEDs
  • Cool-Cycle Capacity: Yes

Details

As published by Beyond Tools
Weight
1.5 kg

Variants

Prices and availability as last checked
OptionPriceStatus
Default Title$439Available
Store
Beyond Tools
Brand
Milwaukee
SKU
87434803
Category
Power Tools
First tracked
10 Aug 2026
Last checked
10 Aug 2026

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