Bought mainly for cordless car and house clean up but the small non-QR 20v batteries only last 5-7 minutes. Can it work longer on any battery?

I am re-answering this question. BUY THIS VACUUM CLEANER. I do NOT work for nor am I affiliated with DeWalt in ANY way (other than buying the product). If your battery only lasts 5 - 7 minutes then throw away your garbage battery. You need to use a REAL battery (3 mAh or greater).

Can i use the 18v XRP or or 18v li-on batteries with DEWALT DCV581H

This is the DCV581H.... 20V/CORD OPERATION ONLY. The old model was the DCV580 which did also work with the old 18v batteries. This one does not.

Air flow: 33.55 CFMHP peak: 1.85 (per an external website) I don't usually see HP rating for a battery powered vacuum

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🧹 Clean smarter, not harder — DEWALT’s cordless power meets HEPA precision!

BUILT TO LAST - Crush-resistant 5ft hose and durable design ensure long-term reliability on the go.
COMPACT POWERHOUSE - 2-gallon tank capacity with 31 CFM airflow delivers heavy-duty wet/dry cleaning in a portable package.
ULTIMATE FLEXIBILITY - Switch seamlessly between corded and cordless modes to tackle any job, anywhere.
ON THE GO CONVENIENCE - Integrated hose and accessory storage means everything you need is always within reach.
BREATHE EASY WITH HEPA - Advanced HEPA-rated filter captures nearly all dust and allergens for a cleaner workspace.

The DEWALT DCV581H 18/20V MAX Wet/Dry Vacuum offers versatile corded or cordless operation powered by 18V or 20V MAX batteries or AC outlet. Featuring a HEPA-rated filter with 99.97% dust capture efficiency, a washable/reusable filter, and a durable crush-resistant 5-foot hose, it combines portability with professional-grade cleaning power. Its 2-gallon tank and 31 CFM airflow make it ideal for heavy-duty wet and dry cleanup, while onboard storage keeps tools organized and ready.

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€ 339.92

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Customer service was outstanding when I had questions about the product.

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Brand	DEWALT
Model Number	DCV581H
Color	One Color
Product Dimensions	43.82 x 31.27 x 33.34 cm; 453.59 g
Capacity	2 Gallons
Volume Capacity	2 Liters
Power / Wattage	200 watts
Voltage	20 Volts
Material	Blend
Noise Level	80 Decibels
Special Features	Washable/reusable filter
Item Weight	454 g

DEWALT18/20V Max Vacuum, Wet/Dry (DCV581H)

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