Battery Adapter For Bosch To Milwaukee M18 18V Lithium-Ion Cordless Tool, ?Adapter Converter Function?: This BS18ML-Battery Adapter only can compatible with Bosch 18V Li-ion slide compact battery to make them work on Milwaukee m18 18V Lithium-Ion cordless tools. and let you enjoy the benefits of extended run-time of Li-Ion Batteries on your existing 18V tools. ?Applicable Battery Models?: The bottom of this adapter is only compatible with most Bosch batteries: BAT609, BAT610, BAT611, BAT612, BAT618, BAT6l8G, BAT619, BAT619G, BAT620 etc..?NOTE?NOT Support charging Bosch battery with Milwaukee chargers (please use original charger). ?Built-in Protection?: There is a short circuit protection, Over current protection, Undervoltage protection and Low power consumption. Professionally designed, the converter can be converted without loss.(This adapter can not be used for battery charging.) ?Quality Material?: Made of ABS+PC material, strong reliable and convenient. Small size, easy to carry and store, convenient to use and with good performance. Tips: The Maximum initial battery voltage (measured with no workload) is 20 volts, the Nominal voltage is 18 volts; Size approx. 4.3x2.8x1.8inch. ?Satisfactory after-sales?: For any reason you're not completely satisfied, you can ask for a return or full refund. If you have any questions, please feel free to contact us, we will solve it for you as soon as possible.