Super Handy GUO041 Electric Trailer Dolly 800W 12V 7Ah 2" Ball Mount 2800 lbs Max Trailer Weight Capacity New Air Purifier Filters  The self contained battery

 The self contained battery is good for about 3 yrs

Enjoy clean

and spot-free water while reducing iron stain for the entire house

Removable handle and compact size makes it easy to maneuver and transport

Super Handy GUO041 Electric Trailer Dolly 800W 12V 7Ah 2" Ball Mount 2800 lbs Max Trailer Weight Capacity New Air Purifier Filters  The self contained batteryOur portable RV Trailer Electric Dolly is built of a heavy duty steel constructed frame with exceptionally maneuverable wheels. The 'Patented Adjustable Ball Attachment Mechanism', provides greater mobility and application of use. Also Patented is our 'Drive System', producing a maintenance free performance for years to come.