The 18-Volt LXT 5.0Ah battery is compatible only with Star Protection tools, indicated by the Star Symbol and/or Yellow Battery Receiver under the tool. Makita 18-Volt Lithium-Ion batteries resist self-discharge so they're ready for use even after long periods of storage. This advanced charging technology helps optimize battery life and deliver a faster charge.In addition, the Charger has a built-in fan to cool the battery for faster and more efficient charging, even in hot weather conditions. For improved tool performance and extended battery life, Makita created STAR Protection Computer Controls. Integrated LED battery charge level indicator allows user to monitor battery charge. Provides up to 65% more run time per charge compared to BL1830. Reaches full charge in 45 minutes or less. Compatible with 18-Volt LXT tools. Battery delivers consistent power and run time in extreme temperatures, even in winter (-4° F/-20° C). Impact-resistant outer case and shock-absorbing inner-liner are engineered to protect the battery. Sixteen contact terminals maintain a constant connection with the tool to help prevent power loss or fluctuation, even during high-vibration applications. Battery resists self-discharge and remains ready for use even after long periods of storage. Brand new in the package. The item "(2) New Genuine Makita BL1850B-2 18V Batteries 5.0 AH 18 Volt Free Shipping" is in sale since Friday, March 1, 2019. This item is in the category "Home & Garden\Tools & Workshop Equipment\Power Tools\Batteries & Chargers". The seller is "selenak1043" and is located in Fruitland Park, Florida. This item can be shipped worldwide.