Milwaukee M18 1.5Ah Compact REDLITHIUM Battery Pack

The Milwaukee M18 1.5 Ah Compact REDLITHIUM™ Battery Pack (48‑11‑1815) delivers durable 27 Wh power for M18 tool systems. REDLINK™ intelligence offers optimized performance and overload protection. Features onboard fuel gauge, temperature management, and all‑weather fade‑free operation.

Lightweight and Portable

The Milwaukee M18 1.5 battery is compact and easy to handle—perfect for overhead work or confined job sites where tool balance is key.

Smart cell design and overload protection make the Milwaukee REDLITHIUM battery more efficient, even under high-demand loads.

Use the M18 1.5 battery for fastening, electrical work, and punch list jobs where you need just the right amount of energy and control.

Like all M18 packs, the Milwaukee 1.5 Ah battery M18 works with over 200 Milwaukee cordless tools, from drills to lights.

The M18 REDLITHIUM CP 1.5 is quick to recharge and built to maintain its performance across hundreds of cycles.

Weighing less than bulkier packs, the Milwaukee M18 REDLITHIUM CP 1.5 is a top choice for mobility and productivity.

Amp‑Hour: 1.5 Ah

Watt‑Hour: 27 WH

Voltage: 18 V nominal

Charge Time: 1 hour with compatible charger

Weight: 1.05 lb

Compatibility: Milwaukee M18 system