21.6V 4800mAH really capacity li ion battery for Dyson V8 Animal SV10 Robot Vacuum Battery 215681 put in cell 21700 weight 600G|Replacement Batteries| - AliExpress
Powtree 6000mAh 21.6V V8 Battery For Dyson V8 Batteries Absolute V8 Animal Li ion SV10 Vacuum Cleaner Rechargeable Battery|Replacement Batteries| - AliExpress