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Milwaukee M18 18V Lithium-Ion REDLITHIUM Forge XC 8.0 Ah Battery Pack

  • Based on 173 reviews
Condition: New
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$174.99 Why this price?

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Availability: In Stock.
Fulfilled by Amazon

Arrives Jul 19 – Jul 22
Order within 8 hours and 50 minutes
Available payment plans shown during checkout

Features

  • 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 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
  • PWR Level 4 on the REDLITHIUM Power scale
  • Resistant housing designed to provide increased protection against exposure to common oils, greases, and solvents

Description

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 M18 REDLITHIUM FORGE XC8.0 delivers 8 amp hours of runtime 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. REDLINK Intelligence protects the battery from overloads, preventing you from damaging your cordless power tools in heavy-duty situations. The M18 REDLITHIUM FORGE XC8.0 battery is fully compatible with 250+ M18 solutions.

Number of Batteries: 1 LR44 batteries required.


Brand: Milwaukee


Battery Cell Composition: Lithium Ion


Recommended Uses For Product: Power Tool


Voltage: 18 Volts


Product Dimensions: 5.67 x 4.02 x 3.62 inches


Item Weight: 2.51 pounds


Item model number: 48-11-1881


Batteries: 1 LR44 batteries required.


Date First Available: November 21, 2024


Manufacturer: Mikwaukee


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Jul 19 – Jul 22

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • PayTomorrow Financing
  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Top Amazon Reviews


  • As expected
as expected
Reviewed in the United States on July 2, 2025 by Dana Eby

  • Works well long lasting
Works well
Reviewed in the United States on July 1, 2025 by Mark D. Edwards

  • I would buy again
This battery it is priced great. If you were to buy this in a store, it would cause you anywhere from $200-$250. Battery last and charges pretty quickly. Yet it makes your tools feel very heavy because it is a big battery
Reviewed in the United States on May 29, 2025 by Greg

  • Long life
Last longer on my string trimmer and stays cool
Reviewed in the United States on June 10, 2025 by Scott

  • Works as intended doesn’t seem to be a knock off.
I’ve had this for like a month or so it takes a little while to charge. It seems to be a real Milwaukee battery M 18. Price was right. We will see how long it actually last but it’s enough power for me to do what I need to do in my yard with my weedeater.
Reviewed in the United States on June 23, 2025 by shane s

  • Battery
Good battery so far
Reviewed in the United States on June 8, 2025 by Amazon Customer

  • Awesome battery
Awesome battery for it to have the power of the12ah in a 8ah size is insane, I could tell the Difference in my power head/trimmer. The size makes it easier to get in tight places, Altogether the Milwaukee forge is a great improvement from the first generation. Awesome battery
Reviewed in the United States on May 9, 2025 by Amazon Customer

  • Good Battery
Lasts a long time after charge
Reviewed in the United States on June 2, 2025 by Samuel Lott

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