Jazzy chair has been sitting for 15 months. It will not keep a charge. The lights go on at the arm but when you push the joystick the lights go off and it won't move.

The chances are the batteries are damaged, wheelchair / scooter batteries are not designed to be left with out charging for any length of time, you might be able to revive them if you have or can get hold of a charger that will charge

for future reference, charge every 4 weeks (minimum) or leave on auto trickle charge if your charger has that function, this will keep your batteries in peek condition, and will not shorten there life.

check out this link for more battery info.
http://www.mkbattery.com/content_container.php?page=downloads-and-technical-reference-faq#faq1

Hope this helps, If so please click the "Yes" button

Regards, Mark

It sounds like the batteries have gone bad and need to be replaced.

The batteries contain a gel that needs to have current run through it on a regular basis (at least 8 hours once a week) or it will oxidize and solidify. If you attach the charger, what will most likely happen is the green light will either stay green or go to green after a very short time. When you turn on the power chair, nothing happens. The charger will indicate the batteries are full, but instead of being full of power, they are full of crud. Your warranty will most likely not cover replacement as this is due to customer neglect, but your insurance may still cover the replacement batteries if you can wait for the process to go through. Otherwise, you will need to replace the batteries on your own, type U1, 24v 33 amp, approx. $125 each at Batteries Plus or Interstate Battery. Good luck!