Battery Black & Decker BL2518 18 V Li-Ion 2.5 Ah, 1 pc, black

The Black & Decker BL2518 is a 18V Lithium-Ion cordless tool battery with a nominal capacity of 2.5 Ah. Designed to deliver steady power for compatible Black & Decker cordless tools, this battery provides longer run times compared to lower-capacity cells while maintaining a compact form factor. Its chemistry and construction aim to offer consistent voltage under load, reduce memory effect, and enable multiple charge cycles for routine DIY and professional use.

Advantages

The BL2518 battery offers a balance between energy capacity and portability, extending tool runtime without significantly increasing weight. Lithium-Ion chemistry ensures low self-discharge and a stable output during use. The battery is designed for rapid recharging with compatible chargers and provides multiple cycles of reliable performance. Built-in protection features help prevent over-discharge and contribute to safer operation within the intended tool system.

Suitable for

• Cordless drills and drivers requiring 18V Lithium-Ion packs
• Impact drivers and compact saws used on home renovation projects
• Outdoor tasks with battery-powered garden tools in the same platform
• Occasional to regular professional use where medium-capacity batteries are preferred

Key specifications

• Battery chemistry: Lithium-Ion
• Nominal voltage: 18 V
• Capacity: 2.5 Ah (2,500 mAh)
• Typical form factor: slide-on/clip compatible with the manufacturer platform
• Operational benefits: low self-discharge, consistent voltage under load

How to use

Insert the BL2518 into compatible Black & Decker cordless tools until it clicks into place, ensuring correct orientation and secure engagement. Use a compatible charger specified by the tool manufacturer to recharge the battery. Observe the charger's indicators to confirm full charge before use. For best performance, allow the battery to cool after heavy use before recharging and avoid charging immediately after prolonged high-load operation.

Usage recommendations

Store the battery in a cool, dry place when not in use and avoid prolonged exposure to high temperatures. Follow the tool and charger manufacturer's guidelines for charging cycles and storage state of charge to maximize service life. Dispose of or recycle the battery according to local regulations for lithium-based batteries.