For the longest time I was using this vacuum with a 5AH battery and I was very disappointed. Today I tried a 15AH flexvolt battery with it and WOW. It really is
DeWalt DCV584L-QW - Portable Vacuum Cleaner , best deal on AgriEuro
DEWALT DCV584L 18V/54V Flexvolt Wet & Dry Vacuum With 1 x 9Ah Battery & Charger : Amazon.co.uk: DIY & Tools
Vacuum cleaner battery powered Dewalt DCV584L - PS Auction - We value the future - Largest in net auctions