1. Our charger get power from your car via the lighter plug, that is, charge the batteries from a vehicle's power outlet. And the compact size is hanuse and may help you 2. AC Input in 100-240V, Output in 18V -- 2A (Don't fit 12V,14.4V or 40V Battery)this charger replacement is very mini, , portable and easy to store. Very suitable for traveling and taking . 3, Safe & Reliable: LED indicator lights communicates battery charge status, built-in protections to protect the battery and charger from overheating, overcharging and short-circuit. 4. Our charger features direct connectivity to the battery pack, allowing it to monitor battery voltage, temperature, and status. The cooling system ensures stable heat dissipation, while the energy-saving sleep mode protects the battery from damage. 5. Equipped with advanced charging technology and a universal 100V to 240V voltage input, our charger charges your battery quickly and efficiently. This fast-charging feature enhances your work efficiency. The Rapid charger is equipped with an LED indicator that provides a clear visual display of the battery charging status. A red light indicates charging, while a green light signifies a fully battery. Specifications: AC input 100-240V, output 18V - 2A Charging current 2A For 18V such as BL1850B, BL1860B, BL1840B, BL1830B, BL1820B, BL1815 Lithium Battery And Don't fit 14.4V and 10.8V Battery!!! Colour:As Shown Material:plastic The actual product may have slight color difference or difference, which not affect the use Package Contents: 1 * charger ( Battery not include ) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.