https://www.homedepot.com/p/RYOBI-O...-PERFORMANCE-Battery-PCL732B-PBP003/339931476 RYOBI ONE+ 18V Cordless 5 Gal. Bucket Top Wet/Dry Vacuum with ONE+ 18V 2.0 Ah Lithium-Ion HIGH PERFORMANCE Battery (PCL732B-PBP003) on sale for $64.97. Shipping is free.