Yea the gel batteries are probably the best and safest ones on the market for such use. They are virtually harmless and they give quite a long storage capacity, but the makers know this an charge like 3 to 4 times as much at regular lead acid batteries. I think it is a pitty as they are trying to get rich from a simple idea that isn't some major breakthrough in technology. Anyway Gels would probably be the best idea for this project. I believe they run about $100 to $150 for good cells. The good thing is there is no risk of spillage.
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Originally Posted by _paralyzed_
I've seen 11 and 12 mph chairs and the users said that was just flying! I think 15 is a nice number, it would definitely have to be marketed as extreme, and run at your own risk! A 2:1 two speed would be so awesome, hill climbing torque and high speed. I have an led 10 bar battery meter and on a typical day I will use one bar of power, and that's 16 hr's of use. The only time I ever killed my batteries was when I made multiple 5 mile trips. 12v sealed gel lead acid batteries are the standard and the only battery approved for flight.
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