[Upgraded Version V11 Adapter]: The battery adapter is made of high-quality ABS materials, for Battery to work for v11 series Vacuum cleaner, for 20V 60V ( DCB201 DCB206 DCB207 DCB181.etc) Lithium battery to replace for on Battery Converted to for battery. [Widely Compatible]: The V11 adapter is Only compatible with Click-in V11 battery, NOT Fit for screw mounting V11 series. This replacement click-in battery is ONLY compatible with V11 Absolute Extra, V11 Complete Extra, V11 Extra, V11 Outsize, V11 Torque Drive vacuum cleaner. (Tips:Not Fit for V11 Complete, V11 Absolute, V11 , V11 Animal vacuum cleaner) [Multiple Protection]: The V11 battery adapter has multiple protections, such as overcharge protection, overvoltage protection, short circuit protection, temperature protection, etc. It can effectively protect your battery and extend its service life. [Easy to Use]: The V11 battery adapter is easy to use. Just connect the adapter to the battery and then connect it to the vacuum cleaner. It can be used repeatedly and is very convenient. [NOTE]: V10 battery adapter We kindly recommend to use 4000mAh or higher volume of for De-wallt 20V 60V battery. 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.