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How to determine if the Batteries or Battery Charger is the issue

This entry was posted on 28/04/2020 01:03:09 PM by Valen

How to determine if the Batteries or Battery Charger is the issue

There's something wrong with your clients Mobility Scooter or Powered Wheelchair, and you think it has to be the batteries or battery charger.

But how do you know for sure? How do you make sure you don't remove perfectly good batteries?

In this blog, the team at Valen take you through a few quick things you can check before picking up the phone and asking for a warranty.

 

The Complete Battery Guide for Mobility Aid Dealers

 

Battery Charger

The battery charger is often the piece of equipment that must be evaluated.

Read through our blog on How to test mobility scooter battery chargers for more detailed information. 

  1. Check for a power-related problem. Connect the Mobility Scooter battery charger to the mains power and ensure the lights are on. Leave the battery charger to charge the batteries overnight. 
  2. Disconnect the battery charger and turn on the Mobility Scooter, observe where the battery charge level indicator is reading. If the battery isn't fully charged, there is more than likely an issue with the battery charger. 
  3. Deciphering what a battery charger is doing can be tedious. Luckily Valen has the Battery and Charger Analyser (BACA) unit to test battery chargers. 

 

Batteries

Batteries are a bit hard to check as they are tucked away in the Mobility Scooter or Powered Wheelchair. Valen recommends charging the batteries to full charge using the battery charger indicator as a guide and monitor how fast they lose capacity over the ordinary course. 

Often you will already be aware that they seem to be getting less run-time. 

Completing a voltmeter check will not be sufficient as the state of charge (SOC) affects the battery voltage. 

However, if you can access the batteries, there are a few things you can look for: 

  • A warm feeling on the side of one of the batteries indicates the loss of a battery cell. 
  • Bulging/bloating of one or both of the batteries could point to an internal issue. It could also point to a problem with the battery charger. 
  • Terminal corrosion will affect the way the current is released from the battery. 
  • Make sure the connections are still tight, and the cables are in good working order. 

If none of this shows up any answers, it is probably time to contact your battery or battery charger supplier. They will be able to place the batteries under a full load test as well as check the battery charger to determine what has caused the issue. 

 

Want more information on Mobility Scooter batteries and chargers? 

For further tips, check out the following relevant blog posts: 

You can always contact the Valen team for additional support. We'd be happy to answer any questions you may have about mobility scooter batteries or battery chargers

Written by Valen

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