Heimerdinger 4.0Ah Replacement Battery and Charger for Makita 18V BL1840B Battery

【Improved Battery Performance】The upgraded 4000mAh battery provides a longer run time compared to the original one. With an input of 100-240V 50-60Hz and output of 21V 0.75A, this lithium battery offers increased current protection for a reliable power source.

【Specification】This high-quality power tool battery is designed for compatibility with 18V LXT Cordless Power Tools such as BL1860B, BL1850B, BL1840B, BL1830B. It has a capacity of 4000mAh, and includes 1 pack and 1 charger for convenience.

【Enhanced Current Protection】Each battery cell is specially designed to increase current protection, preventing common issues like overheating, explosion, and power instability. This ensures a safe and reliable performance for your power tools.

【Certified Safety Features】With CE/FCC/RoHS certification, this battery includes built-in protections against over-discharge, overload, and short-circuit. You can trust that your power tools are operating safely with this battery.

【Wide Compatibility】Compatible with a wide range of Makita 18V power tools including drills, circular saws, blowers, drivers, impact wrenches, hedge trimmers, pipe threaders, braking grinders, recip saws, band saws, hackzalls, chainsaws, jig saws, nailers, drywall screw guns, rotary hammers, and more.

By upgrading to this high-quality, reliable battery with increased current protection, you can ensure that your cordless power tools perform at their best while maintaining safety standards.

product information: