Dyson V11 Battery 4000mAh Replacement Model:Dyson V11 Battery 4000mAh fully protect your phone from

fully protect your phone from overcharge

over-current

Foldable Structure: Easily folds for compact storage when not in use

-Reliable Quality: Pure copper transformer has strong power and stable output to charge up battery quickly

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Dyson V11 Battery 4000mAh Replacement Model:Dyson V11 Battery 4000mAh fully protect your phone fromReplacement Battery for Dyson V11 Vacuum Cleaner (Screw In Model) The Dyson V11 vacuum uses two types of batteries: the screw in installation model and the button installation model. This is a screw in battery and is not compatible with button type batteries. You can identify your battery type by checking the connection at the machine handle. If there is a large red button that releases the battery, your machine requires a button mount type battery.