
Milwaukee 18V 8.0Ah REDLITHIUM™ FORGE™ Battery M18FB8
Milwaukee · Beyond Tools
Afterpay, PayPal, Apple Pay, Google Pay, Zip
Selected variant · Available
Available. This price is from the selected variant; variant history is still being established. We've recorded it as low as $385.
In stock when we last checked on 10 Aug 2026. Prices change — confirm on the store's page before buying.
Price history
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
The M18™ REDLITHIUM™ FORGE™ 8.0Ah Battery delivers HIGH OUTPUT™ 12.0Ah power in a smaller size, 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 REDLTIHIUM™ FORGE™ 8.0Ah delivers 8 amp hours of runtime, but with the same power as the M18™ REDLITHIUM™ HIGH OUTPUT™ 12.0Ah Battery in a smaller size and lighter weight design, delivering fast application speeds in demanding applications. The M18™ REDLITHIUM™ FORGE™ 8.0Ah 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 M18FB8 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™ 8.0Ah 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 HIGH OUTPUT™ 12.0Ah power in a smaller size and lighter weight design
- COOL-CYCLE™ Active Cooling System provides high-speed cooling for less downtime, when paired with COOL-CYCLE™ capable chargers
- 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™ 8.0Ah Battery [M18FB8]
Specifications:
- Battery Type: FORGE™
- Amp Hour: 8.0Ah
- Fuel Gauge: 4 LEDs
- Cool-Cycle Capacity: Yes
Details
- Weight
- 1.1 kg
Variants
| Option | Price | Status |
|---|---|---|
| Option 1 | $385 | Available |
- Store
- Beyond Tools
- Brand
- Milwaukee
- SKU
- 87434802
- Category
- Power Tools
- First tracked
- 10 Aug 2026
- Last checked
- 10 Aug 2026












