Usage Tips:Data Transmission : no Model Number : Adapter for Ryobi 18V Battery to for Dyson V6 V7 V8 Battery Display screen : No Intelligent Charge : No Quick charge : No Type : Electric Origin : Mainland China Certification : CE Model Number : battery adapter for for Dyson V6 V7 V8 vacuum cleaner use Function 1 : For Dyson V6 V7 V8 vacuum cleaner use Function 2 : Battery Adapter Type : Battery adapter for Ryobi 18V lithium battery Fit 1 : For Ryobi 18V battery Feature 1 : For Ryobi to For Dyson battery adapter Feature 2 : Adapter For Ryobi 18V Li-ion battery Feature 3 : Adapter for Dyson vacuum cleaner use Feature 4 : Do not use the adapter to charge the battery Feature 5 : Smart Protection System indicator light is green : normal work indicator light is red : battery is running out Note : battery not included