<b>About Biswaye</b>:<br>Biswaye products are made with the highest quality materials.All Biswaye battery packs comply with FCC CE and RoHS security testing standards.<br>As a professional manufacturer of power tool batteries and chargers, Biswaye specialize in designing and manufacturing varieties of power tool batteries and chargers with high quality and competitive price.<br><br><b>Specification</b>: <br>Battery Type: Lithium <br>Battery Volt: 21.6V <br>Battery Capacity: 4500mAh <br>Color: Grey <br><b>Compatible with Dyson V8 Part Numbers</b>: Dyson V8 Fluffy Vacuum, Dyson V8 Absolute Vacuum, Dyson V8 Animal Cordless Vacuum <br><br><b>Maintenance Skills:</b><br>Please FULLY charge your rechargeable batteries before use. When in doubt, charge your batteries overnight (8 hours). Please fully cycle your batteries (fully charge, then fully discharge them) at least TWICE before regular use. DO NOT full charge your batteries before storing then for long periods of time. Discharge them as much as possible first. <br> <br> <b>PACKAGE INCLUDEING</b> <br> 1x Biswaye 21.6V 4.5Ah Lithium Battery Replacement for 21.6V Dyson V8 Absolute Cordless Handhold Vacuum Dyson V8 Fluffy Vacuum Dyson V8 Animal Cordless Vacuum Battery Dyson SV10 Battery