Question about Health & Beauty
There are several causes of such, but the most likely is that one of the batteries is not able to charge in the series. If both batteries are good but one has gotten so low it can't regain it's charge while in the series, you can disconnect the batteries, and charge each one individually, on a 12 volt battery charger, and this will correct this issue, for a time. If one of the batteries has failed, and can not hold a charge, it will have to be replaced.
Posted on Nov 29, 2014
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Posted on Jan 02, 2017
SOURCE: battery wont charge
The batteries are probably worn. Age, failure to completely charge, frequent discharging to below 50% of charge, completely discharging, and heavy use all contribute to wearing out a battery. The most common symptom is the one that you have; the battery will not completely charge.
Posted on Nov 10, 2008
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.
Posted on Jul 09, 2009
The measurements below are for a 12 volt charger or across one battery at a time. In a 24 volt charger or across both batteries at once, double the values.
The charger will not show any output unless connected to a battery. To test the charger, attach the charger to the battery but do not plug in the charger. Connect a meter to the battery and read the voltage (9.8v - 11.6v).
Now plug in the charger. Read the battery again (13.6 - 14.2v).
The voltage must not be higher than 14.8 on the battery or the battery will over-charge - the charger needs service. If the voltage does not come up to 13.2v, the charger is not running. Again, the charger needs service.
Be patient. You can wait ten minutes and measure again. Batteries respond slowly to the charger.
Posted on Apr 02, 2010
the 1103 uses an onboard charger. Charger's life span is about 3 years; some fail in 6 months, some in 6 years keep in mind. You can charge the 1103 using an offboard charger which are available for about $50.00 on Ebay. Search for electric wheelchair charger. You want one that has a 4 to 6 amp rating.
The offboard charger has a 3-prong connector on one end and the other plugs into a grounded wall outlet. Plug the charger into an outlet and the three prong connector into the female three prong connector located at the bottom front of the joystick. Give it a good overnight charge and it should be back up to snuff in the morning.
Posted on May 23, 2010
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