M18™ REDLITHIUM™ XC 4.0 Extended Capacity Battery Pack

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
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Product Specifications

Battery Type 18 Volt Lithium Ion
Amp Hour 4 Ah
Battery Line REDLITHIUM™
FULL Recharge Time Standard Charger 76
FULL Recharge Time Rapid Charger 48
FULL Recharge Time Super Charger 48
Badge Branding REDLITHIUM™
Battery System M18
Voltage 18V
Warranty 3 Year Limited Warranty
Length 4.5 in
Weight 1.54 lb
Height 2.8 in
Width 3.1 in
Material Composition Rubber|Plastic