Invacare Pronto M51 Power Wheelchair Logo
Tiffany Brewer
Tiffany Brewer Posted on Mar 27, 2015
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I bought new gel batteries to replace the old gel batteries for my chair. Charged them for a day and a half and they showed to be fully charged. Used it for about an hour and it went dead. Old batteries stay charged longer than the new ones. Is there something special I must do to charge the new batteries the first time?

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gnsdance97

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  • Posted on Apr 14, 2015
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Mobility battery manufactures say that their batteries can need to be charged fully then drive chair to discharge them about 10 percent then repeat this 15 - 20 times. This process brings the batteries up to full capacity. Do not drain new batteries completely till after the charge and drain process has been done. It is also possible that the new batteries are not good as suggested.
Hope this helps.

Colin Taylor

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  • Expert 347 Answers
  • Posted on Apr 13, 2015
Colin Taylor
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Hello,I would get back to where you purchased the batteries and go from there.Take the charger also to ask them to test it,also keep the old batteries as they are as you say.Still okay.Take care and I hope this helped you.Colin

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oregoon

  • 175 Answers
  • Posted on Jul 09, 2009

SOURCE: only 1 battery charges

The lights are working, the batteries aren't. Red indicates power to the charger, and it should be on all the time. Green indicates a full charge, usually. If one or both of the batteries are totally dead, then the charger can't "see" them, and you will get a green light, but you will have dead batteries.

All power chairs use sealed, deep-cycle batteries. Deep cycle batteries, are designed for slow amperage dischare over a long time period, unlike a car battery that throws out a lot of amperage for turning the motor over. That's called "cold-cranking amps", and you can load-test a car battery to see if it will throw out a ton of amps for long enough to start a car. There is NO load tester made, or possible for a deep-cycle battery. A load test requires a 24-hour time period, and a complicated formula.

So, your course is to get some fresh, gel-sealed-batteries. You will need type U-1. Specify, gel-sealed-batteries when you go to the battery shop. A fresh set should get the chair up to about 12-16 mile range, which would be about 3-4 hours running constantly at high speed. Good luck.

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Anonymous

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  • Posted on Sep 02, 2009

SOURCE: the orange idicator light is flashing.

Replace the batters and used the correct battery charger, Not a car charger.

Anonymous

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  • Posted on Feb 22, 2011

SOURCE: my pronto power chair m71 standard the battery

anne no It means you need new batteries. If Medicare paid for your chair then they will pay for 80% of the repair costs. Contact Repair Express @ 1-877-581-3733 or Roadrunner Mobility @ 1-80467-2668 and they will send a tech out to check it for you and bill Medicare Hope this helps

Colin Taylor

  • 347 Answers
  • Posted on Feb 22, 2011

SOURCE: my pronto power chair m71 standard the battery

Morning,its people like yourself that i am here.Please visit:www.alldatasheet.com

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