I have a M91 Pronto with Sure step that was given to me with two newer Gel Batteries. The batteries were charged first with a trickle charge and they registered as charged and ok. I used the chair for a couple of hours only to see the meter showing it was dropping into the yellow zone. Plugged in the onboard charger no lights come on tried a different cord nothing. I have a external charge for my scooter at work plugged that in to the charging port on the arm rest and in a short time the meter was showing back in the green. Removed the onboard charger completely from the chair for the time beinging as it isnt charging no light of any kind appears on the charger. 2 questions here 1. Could a problem with the onboard charger cause the batteries to drop rapidly. 2. Are there fuses in the actual charge that could be blown?
I had this exact same problem after having my M91 in the shop. The repair man said that the onboard charger was bad, so he sold me an offboard charger to charge through the arm. That didn't change anything. I finally took it apart myself and discovered that there was a cord leading from the onboard charger to the batteries that the repair person had left unplugged when he installed my new batteries.
What I'd thought was "fast draining" of the batteries was actually the batteries self-charging overnight (which they will do a little bit if you let them sit). Of course, this might not be your problem, but I'd say at least look at it as a possibility.
SOURCE: After receiving this particular chair I had
imwaltz Sorry buddy but if it sat that long the batteries are probably too low for the charger to pick up and charge. to bad you didn't just charge those batteries once a month while you were laid up. You will have to get new batteries. If Medicare paid for your chair they will pay for most of the repair costs. Contact Repair Xpress @ 1-877-581-3733 or Roadrunner Mobility @ 1-800-467-2668 these are 2 excellent service companies that will bill Medicare for repair and have a tech repair the chair for you. Hope this helps
Testimonial: " Thank you for the help. Both timely and professional. Staying with the kids during rehad and the aged brain never considered charging the batteries."
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