This is the rechargeable 12v battery fan set-up I made:
TOTAL COST $40-65
It's almost as powerful as the Ryobi and easily ¼ to ½ the cost. Both the Ryobi and the home made version will run for a whole day at a Nose Work Trial.
I got all my items at an auto parts store, but you can also buy them on-line, shipping for the battery might be expensive as it is quite heavy.
• Fan unit is sold for $12-24. The two important things are 12v and that it has the Hi/Off/Low switch and a long enough cable.
• 12v rechargeable Sealed Lead Acid Battery with F1 Terminals, prices from $13-60 depending on where you buy it.
• Battery charger $12-25 I prefer the kind with auto shut-off once the battery is fully charged.
• Extra alligator style battery clamps with cables attached to each, about $6-12.
Cut the cigarette lighter end off the fan unit and re-wire with the extra alligator clamps. I did mine inside the Low/Off/Hi switch so it was nice and neat.
TOTAL COST $40-65
It's almost as powerful as the Ryobi, which I also have and love, but easily ¼ to ½ the cost of the Ryobi.
