The Milwaukee 48-11-1812 M18 REDLITHIUM HIGH OUTPUT HD12.0 Battery is a 12.0Ah heavy-duty pack built for the largest and most power-hungry tools in the M18 system. Milwaukee lists PWR4 output, a fuel gauge, and faster charging than earlier high-capacity generations, making it a major step forward from the older HIGH DEMAND platform. Its HD housing is designed for maximum runtime on large saws, outdoor power equipment, vacuums, and other sustained-load applications. This battery is best for professionals who prioritize maximum runtime and strong sustained output over compact size and lower tool weight.
What tools is the 48-11-1812 battery compatible with?
It is compatible with Milwaukee M18 cordless tools that use M18 battery packs, especially larger high-demand tools.
How long does it take to charge?
Milwaukee lists charge times of 241 minutes on a standard charger, 130 minutes on a rapid charger, and 60 minutes on a super charger.
How much capacity does it provide?
This battery provides 12.0Ah of capacity at 18V for maximum runtime in the HIGH OUTPUT line.
Does it have a fuel gauge?
Yes. The 48-11-1812 includes an onboard fuel gauge.
How does it compare with previous-generation large M18 batteries?
It improves on the older HIGH DEMAND 9.0 battery with more capacity, stronger output, a fuel gauge, and faster rapid and super charger times.
What warranty comes with the battery?
The 48-11-1812 includes a 3-year limited warranty.
# Milwaukee M18 REDLITHIUM HIGH OUTPUT HD12.0 Battery **Model:** `48-11-1812` **Brand:** Milwaukee **Category:** Battery > The Milwaukee 48-11-1812 M18 REDLITHIUM HIGH OUTPUT HD12.0 Battery is a 12.0Ah heavy-duty pack built for the largest and most power-hungry tools in the M18 system. Milwaukee lists PWR4 output, a fuel gauge, and faster charging than earlier high-capacity generations, making it a major step forward from the older HIGH DEMAND platform. Its HD housing is designed for maximum runtime on large saws, outdoor power equipment, vacuums, and other sustained-load applications. This battery is best for professionals who prioritize maximum runtime and strong sustained output over compact size and lower tool weight. ## Specifications | Attribute | Value | |---|---| | Product Type | Battery | | Voltage (V) | 18 | | Amp Hours | 12 | | Battery Platform | M18 | | Battery Line | REDLITHIUM HIGH OUTPUT | | Power Level | PWR4 | | Fuel Gauge | Yes | | Oil Resistant | No | | Charge Time Standard Min | 241 | | Charge Time Rapid Min | 130 | | Charge Time Super Min | 60 | | Weight (lbs) | 3.42 | | Height (in.) | 3.89 | | Length (in.) | 5.99 | | Width (in.) | 3.4 | | Warranty | 3-year limited | ## What's Included - (1) M18 REDLITHIUM HIGH OUTPUT HD12.0 Battery Pack (48-11-1812) Source: https://www.jaspecs.com/milwaukee/battery/48-11-1812-m18-redlithium-high-output-hd12-0-battery/