Milwaukee M18 REDLITHIUM 48-11-1820 Rechargeable Battery Pack, 18 V Battery, 2 Ah, 1 hr Charging

The Milwaukee 48-11-1820 M18 RedLithium 2.0 Ah compact battery pack delivers professional-grade runtime and durability for cordless power tools. This 18-volt lithium-ion battery powers more than 40 Milwaukee M18 cordless tools, making it an essential accessory for contractors, DIYers and job site professionals who need reliable, long-lasting performance across multiple applications.

Engineered with Milwaukee's advanced REDLITHIUM technology, this compact battery runs cooler than standard lithium-ion alternatives and maintains fade-free power in extreme jobsite conditions, including climates below 0°F (–18°C). The lightweight, space-saving design reduces user fatigue while fitting easily into tight work spaces. With 2.0 amp-hours of capacity, you get up to 2X more runtime, 20% more power and 2X more recharges compared to standard lithium-ion batteries, keeping you productive with fewer interruptions.

Features and Benefits

• REDLINK Intelligence: Provides optimized performance and overload protection using total system communication between tool, battery and charger to prevent damage during heavy-duty applications.
• Fuel Gauge: Onboard display shows remaining runtime at a glance, reducing downtime on the job.
• All-Weather Performance: Delivers consistent power in extreme conditions and temperatures below freezing without power loss or fade.
• Best-in-Class Construction: Integrated weld frame, cell separator and impact/vibration protective rubber ensure long-lasting durability and reliability.
• Multivoltage Charging: Compatible with both M18 and M12 multivoltage chargers for convenient, flexible charging options.
• Compact Design: Lightweight construction fits in tight spaces and reduces user fatigue during extended use.

Specifications

• Brand: Milwaukee
• Model: 48-11-1820
• Voltage: 18 volts
• Capacity: 2.0 Ah (amp-hours)
• Chemistry: Lithium-ion
• Color: Red
• Dimensions: 5.81 x 5.11 x 2.31 inches
• Weight: 1 pound
• Count: 1 battery pack
• Compatible with 40+ Milwaukee M18 cordless power tools