1. [Attention Please] This is a battery adapter, not battery. The adapter can convert for 18V/20V Max Lithium ion battery to replace for XSBT620/XSBT750/XSBT700 battery. ATTENTION PLEASE: Please take the adapter off when are not in use. Otherwise, it will drain your battery.2. [Compatible with 20V Lithium Battery] Convert for 20V battery to replace for XSBT620/XSBT750/XSBT700 battery. If you don't have the battery, but you have the dewaxlt 20v battery. so you just need to get the adapter, then you will can use them and your vacuum cleaners.3. [Compatible with for Cordless Vacuum Cleaners] work for UZ365H and "IZ1" "IZ2" "IZ3" "IZ4" series vacuums, such as IZ162H IZ162HC IZ163 IZ361H IZ362H IZ363HT IZ462H IZ463H IZ201 IZ251 IZ482H IZ483H and QZ162HQBI QZ162HQDE QZ162HQLC QZ162HQPB QZ162HQSV QZ163HQBl QZ163HQDE QZ163HQLC QZ163HQPB QZ163HQSV cordless stick vacuum cleaners. So Please be careful to check the model of your device before purchase.4. [Warning]This adapter cannot be used for IZ862H, IZ631H, IZ682H, IZ662H Vacuum Cleaners, so if your vacuum cleaner's model is one of them or "IZ6..." or "IZ8..." series, please do not choose this converter.Adapter & applicable: A--XSBT01, for 20V Li-Ion BatteryMaterial: ABScolour: Dark GrayPackage Contents: 1 x Battery AdapterOnly 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.