M18 Redlithium Forge HD12.0 Battery Pack
- Mfg.#
- 48-11-1813
- Sku#
- 3759396
- 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 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™
* Estimated stock levels as of Sat, Apr 11, 2026. All items subject to prior sale. Prices may vary between stores and online. Please call ahead to confirm availability of items marked as Limited Stock.
Description
The 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 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™ HD12.0 battery is fully compatible with 250+ M18™ solutions.
Nominal Voltage Information is shown
Specifications
General
| Battery Size | 12 Ah |
|---|---|
| Charge Time | 241 mins Standard Charger |
| Color | Black, Red |
| Fuel Gauge | Yes |
| Power Level | PWR5 |
| Recharge Time | Super Charger = 45 min; Rapid Charger = 130 mins; Standard Charger = 241 mins |
| Type | Rechargeable Battery |
| Volts | 18 |
Dimensions
| Height | 4.1 in |
|---|---|
| Length | 5.8 in |
| Weight | 3.3 lbs |
| Width | 3.4 in |
Manufacturing Details
The following information is subject to change without notice
| Manufacturer Warranty | 3 yr limited |
|---|