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Overview

The Milwaukee M18 18V REDLITHIUM High Output Compact CP 3.0Ah Battery – 2‑Pack (48‑11‑1837) delivers exceptional power and run-time in a compact, lightweight design. These batteries offer 50% more power and run 50% cooler than standard CP packs while matching the output and capacity of an XC pack—without the bulk. Equipped with REDLINK intelligence and an onboard fuel gauge, they provide reliable fade‑free power across the entire M18 system.

Milwaukee M18 18V RedLithium High Output Compact CP 3.0Ah Li-Ion Battery - 2 Pack (48-11-1837)

Model: 48-11-1837
Web Code: 19381373
Sold and shipped by | 3.4 seller rating (92 reviews)

Available for deliveryAvailable online only

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Seller Return Policy

Warranty

Check with the manufacturer for details.

For Quebec residents: See the Availability Guarantee disclosure in the Specifications section below.

• High Output CP 3.0 Ah batteries deliver 50% more power than standard M18 CP batteries.

• Runs 50% cooler under heavy load, improving performance and preventing overheating.

• Compact and lightweight design offers the same power and runtime as an M18 XC battery in a smaller size.

• REDLITHIUM battery technology provides fade-free power and consistent performance across the full charge.

• Durable construction with impact-resistant housing and vibration protection for jobsite toughness.

• Onboard fuel gauge allows easy monitoring of remaining charge.

• Compatible with the full range of Milwaukee M18 tools and chargers.

For Quebec residents – Disclosure under the Consumer Protection Act

In compliance with Bill 29, Best Buy and third-party sellers on Best Buy Marketplace do not guarantee the availability of replacement parts, repair services, or maintenance information for any products. Coverage provided through any Best Buy Protection programs and applicable manufacturer warranties, if any, remain in place. Please contact the manufacturer directly for information about their availability guarantee.

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Processing Time

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*Please note: If an item you ordered becomes unavailable, you'll be notified and a full refund will be processed within 2 business days.

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Product Category
Batteries
Return/Exchange Period
30 days
Condition
Unopened

Consumable Product cannot be returned if opened

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