Search  for anything...

Milwaukee M18 REDLITHIUM Forge HD12.0 Battery Pack

  • Based on 47 reviews
Condition: New
Checking for the best price...
$244.50 Why this price?
Save $17.48 was $261.98

Buy Now, Pay Later


As low as $40.75 / mo
  • – 6-month term
  • – No impact on credit
  • – Instant approval decision
  • – Secure and straightforward checkout

Ready to go? Add this product to your cart and select a plan during checkout.

Payment plans are offered through our trusted finance partners Klarna, PayTomorrow, Affirm, Afterpay, Apple Pay, and PayPal. No-credit-needed leasing options through Acima may also be available at checkout.

Learn more about financing & leasing here.

Free shipping on this product

30-day refund/replacement

To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.

To initiate a return, please visit our Returns Center.

View our full returns policy here.


Availability: In Stock.
Fulfilled by Jeff’s garage

Arrives Sep 28 – Sep 30
Order within 15 hours and 10 minutes
Available payment plans shown during checkout

Features

  • 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

Description

The MILWAUKEE 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 Milwaukee's 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. Built-in REDLINK Intelligence protects the battery from overloads, preventing you from damaging your cordless power tools in heavy-duty situations. Fully compatible with 250+ M18 solutions.

Number of Batteries: 1 Lithium Ion batteries required.


Brand: Milwaukee


Battery Cell Composition: Lithium Ion


Battery Capacity: 12 Amp Hours


Recommended Uses For Product: Power Tool


Product Dimensions: 15 x 6 x 6 inches


Item Weight: 3.04 ounces


Item model number: 48-11-1813


Batteries: 1 Lithium Ion batteries required.


Date First Available: March 26, 2025


Manufacturer: Milwaukee


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Sep 28 – Sep 30

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


  • Great battery
Great product
Reviewed in the United States on August 14, 2025 by Works very good would recommend it looking other attachment

  • quality
it was made in the fall of 24, that makes it a new battery. the last one I got was two years old when ai got it, so it wasn'r new. But I didnt know how to read the codes on the battery, so my responsiblity. That battery didn't last. This one has all good cells inside. Make sure you can read the codes so you don't get an old battery. ... show more
Reviewed in the United States on September 15, 2025 by J. Stephen

  • Great battery
This battery is great for you leaf blowers or chainsaw
Reviewed in the United States on July 7, 2025 by Katie Watts

  • GREAT BATTERY
THE BEST BATTERY THEY MAKE, ITS LIGHTER AND STRONGER
Reviewed in the United States on June 23, 2025 by VANORDEN TIRE

  • Esta Exelente
Muy Buen Product
Reviewed in the United States on July 16, 2025 by Alberto Cribas Aguilar

  • New?
Bought battery new and its not in original packaging.
Reviewed in the United States on September 11, 2025 by Tiffany

  • Excellent brand
Excellent brand, reliable
Reviewed in the United States on July 15, 2025 by irmad07

  • AS EXPECTED
AS EXPECTED
Reviewed in the United States on July 7, 2025 by Dana Eby

Can't find a product?

Find it on Amazon first, then paste the link below.
Checking for best price...