Replacement Cordless Tool Battery, 18V, 4Ah

This high-capacity replacement battery is engineered for Black & Decker and Firestorm 18V power tools, delivering reliable performance for demanding industrial and commercial applications. Featuring an 18V output with 4Ah capacity, this Nickel-Metal Hydride battery provides extended runtime compared to standard-capacity alternatives, enabling users to complete more work between charges. The robust construction utilizes high-quality materials designed to withstand the rigors of professional use in construction, maintenance, and manufacturing environments. The battery features a 3-prong connector design with integrated thermistor technology for intelligent temperature monitoring during the charging cycle, ensuring safe and efficient operation. It is compatible with various Black & Decker models and equivalent to part numbers including A1718, A18, HPB18, HPB18-OPE, FSB18, and Firestorm variants such as A18, FS18BX, and FS18FL, making it a versatile solution for consolidating your tool battery inventory. This rechargeable power source is ideal for professionals who rely on cordless tools for daily operations, offering the durability and performance needed to maintain productivity on job sites. The extended 4Ah capacity reduces downtime by minimizing recharge cycles, directly supporting operational efficiency. Whether powering drills, impact drivers, saws, or other compatible tools, this replacement battery delivers consistent power output to keep your workforce moving forward without interruption.