M18 Batteries

Our M18™ REDLITHIUM™ FORGE™ HD12.0 Battery Pack delivers 50% more power than the HIGH OUTPUT™ 12.0, high-speed cooling for less downtime in high-demand applications, 35-minute supercharge to 80%, and the longest life vs REDLITHIUM™ batteries. REDLITHIUM™ FORGE™ are our most powerful, fastest charging, and longest-life batteries. The M18™ REDLITHIUM™ FORGE™ HD12.0 delivers 12 amp hours of runtime with 50% more power than the HIGH OUTPUT™ 12.0, providing optimal power and runtime for demanding applications. The M18™ REDLITHIUM™ FORGE™ HD12.0 is COOL-CYCLE™ capable. COOL-CYCLE™ Active Cooling System provides high-speed cooling for less downtime. Patented ingress coating provides increased protection to maximize active cooling through an upgraded venting design. The high-speed cooling feature works with M18™ chargers that have COOL-CYCLE™ capability. When paired with the  M18™ Dual Bay Simultaneous Super Charger, this battery charges in just 35 minutes to 80%, getting you back to work faster than ever before. This lithium-ion battery has the longest life, the most recharges, and the best performance over the life of the battery. It is also designed with resistant housing for increased protection against exposure to common oils, greases, and solvents. REDLINK™ Intelligence protects the battery from overloads, preventing you from damaging your cordless power tools in heavy-duty situations. The M18™ REDLITHIUM™ FORGE™ HD12.0 battery is fully compatible with 250+ M18™ solutions.

• 50% More Power vs HIGH OUTPUT™ HD12.0

• COOL-CYCLE™ Active Cooling System provides high-speed cooling for less downtime with COOL-CYCLE™ capable chargers

• 35min Supercharge to 80% with the M18™ Dual Bay Simultaneous Super Charger

• Longest life for the most recharges and best performance over the life of the pack

• REDLITHIUM™ FORGE™ provides the most powerful, fastest charging, and longest life batteries within REDLITHIUM™

• Fully compatible with the M18™ system, featuring 250+ tools

• Patented ingress coating provides increased protection to maximize active cooling through an upgraded venting design

• Best protection from jobsite, weather and environmental conditions

• PWR Level 5 on the REDLITHIUM™ Power scale

• Resistant housing designed to provide increased protection against exposure to common oils, greases, and solvents

• REDLINK™ Intelligence: Our battery circuitry provides optimized performance and overload protection using total system communication between tool, battery and charger

• Enhanced onboard fuel gauge with improved readability in direct sunlight

• 3-year battery warranty

• Includes (1)M18™ REDLITHIUM™ FORGE™ HD12.0 Battery

The M18™ REDLITHIUM™ FORGE™ XC8.0 Battery Pack delivers HIGH OUTPUT™ 12.0 power in a smaller size, high-speed cooling for less downtime in high-demand applications, 35-minute supercharge to 80%, and the longest life vs REDLITHIUM™ batteries. REDLITHIUM™ FORGE™ are Milwaukee's most powerful, fastest charging, and longest life batteries. The REDLTIHIUM™ FORGE™ XC8.0 delivers 8 amp hours of runtime, but with the same power as the M18™ REDLITHIUM™ HIGH OUTPUT™ HD12.0 in a smaller size and lighter weight design. The M18™ REDLITHIUM™ FORGE™ XC8.0 is COOL-CYCLE™ capable. COOL-CYCLE™ Active Cooling System provides high-speed cooling for less downtime. Patented ingress coating provides increased protection to maximize active cooling through an upgraded venting design. The high-speed cooling feature works with M18™ chargers that have COOL-CYCLE™ capability. When paired with the M18™ Dual Bay Simultaneous Super Charger, this battery charges in just 35 minutes to 80%, getting you back to work faster than ever before. This lithium-ion battery has the longest life, the most recharges, and the best performance over the life of the battery. It is also designed with resistant housing for increased protection against exposure to common oils, greases, and solvents. Built-in REDLINK™ Intelligence protects the battery from overloads, preventing you from damaging your cordless power tools in heavy-duty situations. The REDLITHIUM™ FORGE™ XC8.0 battery is fully compatible with 250+ M18™ solutions.

• Delivers HIGH OUTPUT™ 12.0 power in a smaller size and lighter weight

• COOL-CYCLE™ Active Cooling System provides high-speed cooling for less downtime with COOL-CYCLE™ capable chargers

• 35min Supercharge to 80% with the NEW M18™ Dual Bay Simultaneous Super Charger

• Longest life for the most recharges and best performance over the life of the pack

• REDLITHIUM™ FORGE™ provides the most powerful, fastest charging, and longest life batteries within REDLITHIUM™

• Fully compatible with the M18™ system, featuring 250+ tools

• Patented ingress coating provides increased protection to maximize active cooling through an upgraded venting design

• Best protection form jobsite, weather and environmental conditions

• PWR Level 4 on the REDLITHIUM™ Power scale

• Resistant housing designed to provide increased protection against exposure to common oils, greases, and solvents

• Redlink Intelligence: Our battery circuitry provides optimized performance and overload protection using total system communication between tool, battery and charger

• Enhanced onboard fuel gauge with improved readability in direct sunlight

• 3-year battery warranty

• Includes (1)M18™ REDLITHIUM™ FORGE™ XC8.0 Battery Pack

The M18™ REDLITHIUM™ FORGE™ XC6.0 Battery Pack delivers the power of a 12.0Ah pack in a smaller, lighter design for unmatched performance and mobility. This next-generation M18™ battery provides the most powerful, fastest-charging, and longest-life solution within the REDLITHIUM™ lineup. Engineered for demanding professionals, it delivers HIGH OUTPUT™ HD12.0 power in a compact form, ideal for tight spaces and overhead work.

The M18™ REDLITHIUM™ FORGE™ XC6.0 is the fastest charging battery in its class, reaching 80% charge in just 15 minutes when paired with the M18™ Dual Bay Simultaneous Super Charger. It’s built to withstand harsh jobsite conditions, featuring resistant housing that protects against oils, greases, and solvents. Advanced REDLINK™ Intelligence provides full-system communication between tool, battery, and charger - preventing overloads and ensuring optimized performance.

Designed for the longest life, this battery offers the most recharges and best performance over its lifetime. Compatible with 300+ M18™ tools, the M18™ REDLITHIUM™ FORGE™ XC6.0 delivers the best balance of power, size, and runtime for professionals who demand maximum productivity and reliability on every job.

• High Output Performance - Delivers HD12.0 power in a smaller, lighter design.

• Fast 15-Minute Supercharge - Reaches 80% charge with new M18™ Dual-Bay Super Charger.

• Longest Battery Life - Provides more recharges and consistent peak performance.

• Most Powerful REDLITHIUM™ FORGE Battery - Combines maximum power, speed, and longevity in one pack.

• Lightweight Compact Form - Optimized for overhead work and tight spaces.

• Resistant Housing - Protects against oils, greases, and jobsite solvents.

• REDLINK™ Intelligence - Optimizes tool, battery, and charger communication for peak efficiency.

• Enhanced Onboard Fuel Gauge - Improves visibility in direct sunlight for quick checks.

• Full M18™ System Compatibility - Works with 300+ tools and all M18™ chargers.

• Backed by 3-Year Warranty - Ensures long-term reliability and jobsite confidence.

Our M18™ REDLITHIUM™ XC5.0 Resistant Battery is built with a resistant housing, providing increased protection against exposure to common oils, greases, and solvents found in transportation maintenance and manufacturing environments. In addition, our M18™ REDLITHIUM™ XC5.0 Resistant Battery delivers the same best in class performance as the standard M18™REDLITHIUM™ XC5.0 battery with 2.5X more runtime and 20% more power than the standard lithium-ion batteries. Each battery pack is durably built for heavy-duty use, runs cooler, and performs in cold weather climates. Built-in REDLINK™ Intelligence protects the battery from overloads, preventing you from damaging your cordless power tools in heavy-duty situations, while the discharge protection prevents cell damage. An integrated temperature management system and individual cell monitoring help to maximize your battery's life. Our M18™ REDLITHIUM™ XC5.0 Resistant battery is fully compatible with all of our 200+ M18™ solutions.

• Best-in-class construction: Resistant housing designed to provide increased protection against exposure to common oils, greases, and solvents

• All-weather performance: delivers fade free power in extreme jobsite conditions

• Fuel gauge onboard: Displays remaining runtime

• REDLINK™ Intelligence: Our battery circuitry provides optimized performance and overload protection using total system communication between tool, battery, and charger

• Versatility: Powers more than 250+ Milwaukee® M18™ cordless power tools

The M18™ REDLITHIUM™ HIGH OUTPUT™ CP3.0 Battery Pack provides 50% more power and runs 50% cooler vs M18™ REDLITHIUM™ CP battery packs. This increased performance results in the same power and runtime of a M18™ REDLITHIUM™ XC battery in a lighter and more compact package. The 18-volt battery pack delivers fade-free power and runs substantially cooler through heavy applications, allowing trade professionals to push their cordless tools throughout a wide application range. The REDLITHIUM™ HIGH OUTPUT™ CP3.0 battery is fully compatible with all Milwaukee M18™ solutions.

• 2 year battery warranty

• Best-in-class construction: Offers long-lasting performance and the best protection against jobsite, weather and environmental conditions

• Compatible with all M18™ tools

• Fuel gauge onboard: Displays remaining run-time

• REDLINK™ Intelligence: Our battery circuitry provides optimized performance and overload protection using total system communication between tool, battery and charger

• Versatility: Powers all 250+ M18™ cordless solutions

The M18™ REDLITHIUM™ HIGH OUTPUT™ XC6.0 Battery Pack provides 50% more power and runs 50% cooler vs M18™ REDLITHIUM™ XC battery packs. The optimized combination of size and increased power provides a great solution for the entire range of M18™ products. It delivers fade free power and runs substantially cooler through heavy applications, allowing tradesmen to push their cordless tools harder and longer than ever before. The M18™ REDLITHIUM™ HIGH OUTPUT™ XC6.0 provides increased power in extreme cold weather conditions (below 0F / -18C) and delivers more work per charge, driving corded replacement on the jobsite. The REDLITHIUM™ HIGH OUTPUT™ XC6.0 battery is fully compatible with 150+ M18™ solutions.

• Best-in-class construction: Offers long-lasting performance and the best protection against jobsite conditions

• Fuel gauge onboard: Displays remaining run-time

• REDLINK™ Intelligence: Provides optimized performance and overload protection using total system communication between tool, battery and charger

• Versatility: Powers more than 250+ M18™ cordless solutions

Our M18™ REDLITHIUM™ XC5.0 Battery delivers up to 2.5X more runtime, 20% more power and 2X more recharges than standard lithium-ion batteries. The lithium-ion battery pack features superior pack construction, electronics, and performance giving you more work per charge and more work over pack life than any battery on the market. The rechargeable battery also offers you 5.0 amp-hours of runtime. Each battery pack is durably built for heavy-duty use, runs cooler, and performs in climates below 0°F/-18°C. This protection routes water away from the electronics and out of the battery pack, extends your battery's run-time and life by minimizing heat, and prevents pack failures from vibration or drops. Built-in REDLINK™ Intelligence protects the battery from overloads, preventing you from damaging your cordless power tools in heavy-duty situations, while the discharge protection prevents cell damage. An integrated temperature management system and individual cell monitoring help to maximize your battery's life. Switch to our REDLITHIUM™ XC5.0 Battery Pack to instantly upgrade the runtime and durability of your Milwaukee M18™ cordless tools.

• All-weather performance: Delivers fade free power in extreme jobsite conditions

• Best-in-class construction: Offers long-lasting performance and durability

• Fuel gauge onboard: Displays remaining runtime for less downtime on the job

• REDLINK™ Intelligence: Provides optimized performance and overload protection using total system communication between tool, battery and charger

• Versatility: Powers more than 60 Milwaukee® M18™ cordless power tools

Delivers up to 2X more runtime, 20% more power and 2X more recharges than standard lithium-ion batteries. The M18™ REDLITHIUM™ XC 4.0 Extended Capacity Battery Pack 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. It offers 4.0 amp-hours of runtime. 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™ 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 maximize battery life. Switch to the REDLITHIUM 4.0 XC Extended Battery Pack to instantly upgrade the runtime and durability of your Milwaukee M18 cordless tools.

• All-weather performance: Delivers fade-free power in extreme jobsite conditions

• Best-in-class construction: Offers long-lasting performance and durability

• Fuel gauge onboard: Displays remaining runtime for less downtime on the job

• REDLINK™ Intelligence: Provides optimized performance and overload protection using total system communication between tool, battery and charger

• Versatility: Powers more than 40 Milwaukee M18™ cordless power tools

Delivers more runtime, power and speed than standard lithium-ion batteries. The M18™ REDLITHIUM™ XC Extended Capacity Battery is designed with superior pack construction, electronics, and performance to optimize work per charge and work over pack life. It offers 3.0 amp-hours of runtime. With built-in Milwaukee durability, this battery runs cooler and performs in climates below 0°F/-18°C.Managed by Milwaukee’s exclusive REDLINK™ 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 maximize battery life. Use this extended-capacity battery to power your Milwaukee M18 cordless power tools.

• All-weather performance: Delivers fade-free power in extreme jobsite conditions

• Best-in-class construction: Offers long-lasting performance and durability

• Fuel gauge onboard: Displays remaining runtime for less downtime on the job

• REDLINK™ Intelligence: Provides optimized performance and overload protection using total system communication between tool, battery and charger

• Versatility: Powers more than 40 Milwaukee M18™ cordless power tools

Our M18™ REDLITHIUM™ CP2.0 Battery delivers up to 2X more runtime, 20% more power and 2X more recharges than standard lithium-ion batteries. The lithium-ion battery pack features superior pack construction, electronics, and performance giving you more work per charge and more work over pack life than any battery on the market. The rechargeable battery also offers you 2.0 amp-hours of runtime. Each battery pack is durably built for heavy-duty use, runs cooler, and performs in climates below 0°F/-18°C. Its compact, lightweight design allows you to work in tight work spaces and reduces fatigue. Built-in REDLINK™ Intelligence protects the battery from overloads, preventing you from damaging your cordless power tools in heavy-duty situations, while the discharge protection prevents cell damage. An integrated temperature management system and individual cell monitoring help to maximize your battery's life. Switch to our REDLITHIUM™ CP2.0 Compact Battery Pack to instantly upgrade the runtime and durability of your Milwaukee M18™ cordless tools.

• All-weather performance: Delivers fade-free power in extreme jobsite conditions

• Best-in-class construction: Offers long-lasting performance and durability

• Fuel gauge onboard: Displays remaining runtime for less downtime on the job

• REDLINK™ Intelligence: Provides optimized performance and overload protection using total system communication between tool, battery and charger

• Versatility: Powers more than 40 Milwaukee M18™ cordless power tools

Delivers up to 3X more run-time, 20% more power and 2X more life than standard 18 volt lithium-ion batteries.  The M18™ REDLITHIUM™ XC 6.0 Extended Capacity Battery Pack features superior pack construction, electronics, and performance to deliver more work per charge and more work over the life of the pack when compared to competitors. The M18™ REDLITHIUM™ XC6.0 Battery features an advanced design, protecting the pack against harsh jobsite environments.  This protection routes water away from the electronics and out of the battery pack, extends run-time and life by minimizing heat, and prevents pack failures from vibration or drops.  This unique to Milwaukee® design also allows the battery to operate in extreme cold weather conditions (below OoF/-18oC). Managed by Milwaukee’s exclusive REDLINK™ 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.  It also provides full system compatibility with 100+ M18™ cordless solutions.  Upgrade to the M18™ REDLITHIUM™ XC6.0 Battery Pack to instantly increase the run-time and durability of your M18™ cordless tools.

• REDLINK™ Intelligence:

• Provides optimized performance and overload protection using total system communication between tool, battery and charger

• Best-in-Class Construction:

• Offers long-lasting performance and durability

• Fuel gauge onboard: Displays remaining runtime for less downtime on the job

• All-Weather Performance:

• Delivers fade free power in extreme jobsite conditions

• Versatility:

• Powers more than 100 Milwaukee® M18™ cordless power tools