The Milwaukee 48-11-1815 M18 Compact REDLITHIUM Battery is a 1.5Ah pack built for lighter-duty M18 tools where low weight and compact size matter most. Its REDLITHIUM lithium-ion cell design improves durability and runtime consistency versus older cordless battery designs while keeping the pack easy to carry on drills, drivers, and service tools. This battery works across the full Milwaukee M18 system, making it a practical option for technicians and installers already invested in compatible tools. It is best suited for short, repetitive tasks, overhead work, and users who want the smallest M18 battery profile.
What tools is the 48-11-1815 battery compatible with?
It is compatible with Milwaukee M18 cordless tools that use the M18 battery platform.
How long does it take to charge?
Milwaukee does not list standard, rapid, or super charger times for the 48-11-1815 in the provided spec data.
How much capacity does it provide?
This battery provides 1.5Ah of capacity at 18V, which is aimed at lighter-duty runtime needs.
Does it have a fuel gauge?
No. The 48-11-1815 does not include an onboard fuel gauge.
How does it compare with newer compact M18 batteries?
It is the most basic compact option in this group and trades runtime and newer pack features for lower weight and a smaller footprint.
What warranty comes with the battery?
The 48-11-1815 includes a 2-year limited warranty.
# Milwaukee M18 Compact REDLITHIUM Battery **Model:** `48-11-1815` **Brand:** Milwaukee **Category:** Battery > The Milwaukee 48-11-1815 M18 Compact REDLITHIUM Battery is a 1.5Ah pack built for lighter-duty M18 tools where low weight and compact size matter most. Its REDLITHIUM lithium-ion cell design improves durability and runtime consistency versus older cordless battery designs while keeping the pack easy to carry on drills, drivers, and service tools. This battery works across the full Milwaukee M18 system, making it a practical option for technicians and installers already invested in compatible tools. It is best suited for short, repetitive tasks, overhead work, and users who want the smallest M18 battery profile. ## Specifications | Attribute | Value | |---|---| | Product Type | Battery | | Voltage (V) | 18 | | Amp Hours | 1.5 | | Battery Platform | M18 | | Battery Line | REDLITHIUM | | Fuel Gauge | No | | Oil Resistant | No | | Warranty | 2-year limited | ## What's Included - (1) M18 REDLITHIUM Compact Battery Pack (48-11-1815) Source: https://www.jaspecs.com/milwaukee/battery/48-11-1815-m18-compact-redlithium-battery/