Milwaukee M18™ FORGE™ 8.0Ah Battery (M18 FB8)

Milwaukee M18™ FORGE™ 8.0Ah Battery (M18 FB8)

When the work is relentless and the tools are drawing hard, you need a battery that doesn’t just last longer — it keeps performance consistent right through the toughest parts of the job. The Milwaukee M18™ FORGE™ 8.0Ah Battery (M18 FB8) is built for high-demand professionals who want maximum runtime, fast turnaround between charges, and a pack that’s easier to handle over long shifts.

At the heart of this battery is REDLITHIUM™ FORGE™, Milwaukee’s premium battery technology designed to deliver the most power, the fastest charging, and the longest life within the REDLITHIUM™ range. In real terms, the M18 FB8 is engineered to deliver HIGH OUTPUT™ 12.0Ah power while being 30% smaller and 20% lighter than comparable packs — giving you serious output without the extra bulk that can slow you down on all-day tasks.

Charging is where FORGE™ really proves its worth. With the M18™ Dual Bay Super Charger, this battery can reach 80% in 35 minutes, with a full charge in 45 minutes — ideal for busy site routines where downtime needs to be measured in minutes, not hours.

To keep you working longer with less interruption, the M18 FB8 also features COOL-CYCLE™, an active cooling system capable of high-speed cooling to reduce downtime between demanding applications. Combined with the pack’s focus on long service life, it’s designed for the most recharges and best performance over the life of the battery, with strong protection against jobsite, weather, and environmental conditions.

Durability is built into the details. A resistant housing is designed to provide increased protection against common oils, solvents, and greases, making it well suited to tough site environments, workshops, and maintenance settings where exposure is part of the job. You also get an enhanced onboard fuel gauge with improved readability in direct sunlight, so you can check remaining charge quickly, even outdoors.

Power delivery and protection are handled through REDLINK™ Intelligence, which optimises performance and provides overload protection using total system communication between the tool, battery, and charger. And because it’s compatible with all Milwaukee M18™ tools, it drops straight into existing kits without changing your platform.

Key Features & Benefits

• Delivers HIGH OUTPUT™ 12.0Ah power while being 30% smaller and 20% lighter

• 35 minutes super charge to 80% with the M18™ Dual Bay Super Charger (45 minutes full charge)

• COOL-CYCLE™ active cooling for high-speed cooling and reduced downtime

• REDLITHIUM™ FORGE™ designed for the most power, fastest charging, and longest life within REDLITHIUM™

• Built for long life, high recharge performance, and protection from jobsite, weather, and environmental conditions

• Increased runtime for high-demand applications

• Resistant housing designed to help protect against oils, solvents, and greases

• Enhanced fuel gauge readability in direct sunlight

• REDLINK™ Intelligence for optimised performance and overload protection

• Compatible with all Milwaukee M18™ tools

Ideal For

• High-draw M18™ tools used for sustained cutting, grinding, drilling, and heavy site work

• Professionals who need premium runtime without oversized battery bulk

• Outdoor and bright-site work where quick fuel checks matter

What’s Included

• 1 × Milwaukee M18™ FORGE™ 8.0Ah Battery (M18 FB8)

Built for demanding applications where output, charging speed, and durability all matter — a serious upgrade for professionals who rely on the M18™ platform every day.