Dyson V11 filter and battery
A 970013-02 cartridge filter and a 970145-06 or 970938-01 battery. The battery depends on which V11 you have.
Cartridge filters
Batteries
Dyson V11 screw-in battery 970145-06Genuine
For V11s without the red battery release button.
Source: Dyson, 29 Oct 2026
Dyson click-in battery 970938-01 (V11 click-in / Outsize / V15 Detect)Genuine
For V11s with a large red battery release button.
Source: Dyson, 29 Oct 2026
Finding the model number
It's worth a look at the rating plate first, because names get reused across generations. Rating plate on the base of the machine.
When to change them
Wash the filter unit at least once a month, or when the LCD filter alert shows; dry fully before refitting. (source)
Washable filters go back in bone dry or not at all. A damp one smells, and on some machines it can let the motor pull moisture through.
A battery doesn't die overnight. The run time on a full charge shrinks month by month, and once it won't get you round the house it's time for a new one.
If it cuts out with charge left, look for a blockage in the wand or filter before you blame the battery. A clogged machine can stop just like a flat one.
Quick answers
If I've got a Dyson V11, which cartridge filter do I need?
970013-02, sold by Dyson as the Dyson V11 / V15 Detect filter unit 970013-02.
Buying for a Dyson V11, which batteries should I get?
970145-06 for V11s without the red battery release button, or 970938-01 for V11s with a large red battery release button.