[Compatible with for V10 Slim Cleaner] DW20V10Slim battery adapter supports for V10 Slim Vacuum Cleaner, V10 Slim version. (Not use for V10 Animal, V10 Absolute, V10 , V10 etc.) [Fit for 20V Lithium Battery] Convert for 20V battery to replace for V10 Slim battery. Compatible with for 20V Battery DCB180 DCD985B DCD771C2 DCS355D1 etc, we kindly advice that using for battery of more than 4000mAh. [Solves the problem of short time for original-battery] All battery life is lost with the number of uses. We combine the advantages of for batteries and for V10 Slim vacuum cleaners to give our customers the optimal best solution. you can use the for 20V battery in the vacuum cleaner through our DW20V10Slim battery adapter, saving the time of charging, you can clean all the rooms at once. [Smart Protection System] V10-S battery adapter built-in safety protection function device, for preventing Over-charge / Over-discharge / Over-voltage / Over-current/ Short-circuit / Over-heat / Over-discharge. providing replace longer life time and use experience. PLEASE NOTE: This product is a battery adapter only and does not include a battery or charging function. The adapter not consume battery power but may stop working temporarily after 10-20 seconds of continuous use. To resolve this, simply fully charge your battery and resume use. We recommend using batteries with a capacity of at least 4Ah for optimal performance. Usage time vary depending on the battery capacity. For best results, remove the adapter when not in use. Note:Due to different production batches, the batch number screen printing is different, and the product may have color differences, which does not affect use. Colour:Dark Gray Material:ABS Package Contents: 1 * Battery Adapter 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.