Amazon.com: JJXNDO 2-in-1 V7+V8 Battery Adapter for Black and Decker 40V/36V Max Battery to Replace for Dyson V7/V8 Battery, Universal for Dyson V7+V8 Series Vacuum Cleaner Animal Absolute Motorhead Slim Fluffy :
Dyson V8 Slim vacuum review + unboxing (Also how to use Dyson vacuum heads!!!) - YouTube