A 5Ah battery that has a oil-resistant outer case. Built for tough jobsite conditions, the glass-filled nylon housing resists chemical corrosion and the elements.

Built-in protection against overheating, overloading, and deep discharge helps extend battery life. No memory effect and minimal self-discharge mean the battery is ready when you need it, with less downtime between tasks.

A 3-LED fuel gauge lets you check charge level at a glance. Compatible with all 18V XR tools and chargers.

Key Features:

• 66% more runtime than a standard 4Ah battery pack
• Same size and weight as the 18V 4Ah pack
• Protection against overheat, overload, and deep discharge
• No memory effect, minimal self-discharge
• 3-LED fuel gauge charge indicator
• Glass-filled nylon housing resists corrosion
• Compatible with all 18V XR tools and chargers