V8 Battery Adapter for Dewalt 20V Lithium Battery Converted to Replace for Dyson V8 Battery, Works with Dyson V8 Series Animal Absolute Vacuum Cleaner(DW20V8 Adapter ONLY)
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Edd Brown
> 3 dayBattery cordless works.
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LAIndeThnk
> 3 day2 Things I have run into that may be a deal breaker for others. First it does not fit back into the wall storage charging station because the base where the battery used to be is now too large, this is without the Dewalt battery of course. Second the smaller 2 amp hour batteries do not work well with this. My guess is that as the battery charge lessens the voltage drops and the vacuum shuts off. I have not had a problem with the 4 or 6 amp hour batteries. It uses a surprising amount of battery when in high and using the brush attachments.
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Jeff Tutor
> 3 dayFit and finish was great. My Dyson worked great on the standard/low power setting, as soon as I switched to high power the vacuum immediately shut off. Not sure if I’m the only one with this issue. I charged the battery overnight with the same result in the morning.
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Daniel Cross
> 3 dayThis product is great, using the Dewalt batteries is so much easier
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Marshall Sigmon
09-06-2025total POS
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Rebeka Streich
Greater than one weekI wanted to update this review. After using this adapter for the past 5 months. I still think this is the most ingenious mod. It still works flawless and I have enough charge to vacuum my whole house. I have told all my friends. I have a good friend that just bought a new Dyson and has never even used the official battery because he ordered this product. Great job you amazing engineers! This was easy to install and works flawlessly. I am already in the Dewalt tool world and know how the batteries are great performers. I can vacuum my whole house on the high setting without changing the battery. Best mod ever!!!
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Ryan Monson
Greater than one weekDefinitely not good for the battery. Shorts out after a week.
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K.H.
06-06-2025Unfortunately this product only works for low suction. As soon as you switch it to max suction the battery light flashes red and shuts off. I dont know about you, but the low suction on my Dyson isnt even worth it. Waste of time & money with this attachment.
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Sadye Wilderman
> 3 dayWorks with Dewalt 2Ah Max and 1.7 Ah Powerstack but vacuum pulses on and off with 5Ah Powerstack. Disappointed that it can’t be used with a higher capacity battery.
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Jeremiah Miller
> 3 dayPlastic around the trigger broke off and unit snapped apart within 4 months.
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| V6 Adapter for Milwaukee Convert to V6 Battery | V7 Adapter for Milwaukee Convert to V7 Battery | V8 Adapter for Milwaukee Convert to V8 Battery | V8 Adapter for Makita Convert to V8 Battery | V6 Adapter for Makita Convert to V6 Battery | V7/V8 Adapter for Craftsman Convert to V7/V8 Battery | |
| Item Name | MIL18V6 | MIL18V7 | MIL18V8 | MT18V8 | MT18V6 | MAN20V7/V8 |
| Compatible with the Vacuum Models | For Dyson V6 Series Vacuum Cleaners: V6 Animal, V6 Motorhead, V6 Absolute, V6 Trigger, V6 Slim, V6 HEPA Vacuum, V6 Cord-Free Vacuum, V6 Car + Boat, V6 Baby + Child, V6 Top Dog, V6 Mattress, and V6 Fluffy. NOT for Type A/B DC31 DC34 DC44 DC45. | For Dyson V7 Series Vacuum Cleaners: V7 Motorhead Pro, V7 Trigger, V7 Fluffy HEPA, V7 Absolute HEPA, V7 Animal HEPA, V7 Car+Boat, V7 Mattress, V7 Extra, etc. | For Dyson V8 Series Vacuum Cleaners: V8 Series Vacuum Cleaners: V8 Animal, V8 Absolute, V8 Slim, etc. | For Dyson V8 Series Vacuum Cleaners: V8 Series Vacuum Cleaners: V8 Animal, V8 Absolute, V8 Slim, etc. | For V6 Series Vacuum Cleaners: V6 Animal, V6 Motorhead, V6 Absolute, V6 Trigger, V6 Slim, V6 HEPA Vacuum, V6 Cord-Free Vacuum, V6 Car + Boat, V6 Baby + Child, V6 Top Dog, V6 Mattress, and V6 Fluffy. NOT for Type A/B DC31 DC34 DC44 DC45. | Universal for Dyson V7 & V8 Series Vacuum Cleaners: V8 Animal, V8 Absolute, V8 Slim, V7 Motorhead Pro, V7 Trigger, V7 Fluffy HEPA, V7 Absolute HEPA, V7 Animal HEPA, V7 Car+Boat, V7 Mattress, V7 Extra, etc. |
| Compatible with the Battery Models | for Milwaukee M18 18V Li-ion Battery | for Milwaukee M18 18V Li-ion Battery | for Milwaukee M18 18V Li-ion Battery | for Makita 18V Li-ion Battery | for Makita 18V Li-ion Battery | for Craftsman 20V V20 Li-ion Battery |
| Package includes | 1 x Adapter Only, Battery not included. | 1 x Adapter Only, Battery not included. | 1 x Adapter Only, Battery not included. | 1 x Adapter Only, Battery not included. | 1 x Adapter Only, Battery not included. | 1 x Adapter Only, Battery not included. |
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| 2-in-1 V7 V8 Adapter for Ryobi 18V Convert to V7 V8 Battery | V6 Adapter for Ryobi 18V Convert to V6 Battery | DC31 Type A Adapter for Dewalt Convert to DC31/34/35 Type A Battery | DC31 Type B Adapter for Dewalt Convert to DC31/34/35 Type B Battery | DC31 Type A Adapter for Milwaukee Convert to DC31/34/35 Type A Battery | DC31 Type B Adapter for Milwaukee Convert to DC31/34/35 Type B Battery | |
| Item Name | RYO18V7/V8 | RYO18V6 | DW31A | DW31B | MIL31A | MIL31B |
| Compatible with the Vacuum Models | Universal for Dyson V7 and V8 All Series of Vacuum Cleaners. | For Dyson V6 Series Vacuum Cleaners: V6 Animal, V6 Motorhead, V6 Absolute, V6 Trigger, V6 Slim, V6 HEPA Vacuum, V6 Cord-Free Vacuum, V6 Car + Boat, V6 Baby + Child, V6 Top Dog, V6 Mattress, and V6 Fluffy. | for Dyson Type A DC31 DC35 DC34 DC44 DC45 Vacuum Cleaner | for Dyson Type B DC31 DC35 DC34 DC56 DC57 DC44 Vacuum Cleaners | for Dyson Type A DC31 DC35 DC34 DC44 DC45 Vacuum Cleaner | for Dyson Type B DC31 DC35 DC34 DC56 DC57 DC44 Vacuum Cleaners |
| Compatible with the Battery Models | for Ryobi 18V One+ Li-ion Battery | for Ryobi 18V One+ Li-ion Battery | for Dewalt 18V/20V MAX Li-ion Battery | for Dewalt 18V/20V MAX Li-ion Battery | for Milwaukee M18 18V Li-ion Battery | for Milwaukee M18 18V Li-ion Battery |
| Package includes | 1 x Adapter Only, Battery not included. | 1 x Adapter Only, Battery not included. | 1 x Adapter Only, Battery not included. | 1 x Adapter Only, Battery not included. | 1 x Adapter Only, Battery not included. | 1 x Adapter Only, Battery not included. |