How long can I leave the wheelchair batteries without charging?

All Lead acid batteries get slowly discharged on open circuit called self discharge.  During discharge the battery voltage will slowly decrease.  When the voltage reaches below certain voltage it can permanently damage the battery and may not be able to recharge.

When the battery is fully charged and left with out recharge for about six months at 77F, can be recharged back.

Higher temperatures accelerate the discharge rate. This means when a Lead acid battery is left on open circuit at higher temperature have to be recharged sooner than 6 months.

When the batteries are not fully charged the voltage is already low the batteries have to be recharged soon.  Never leave a fully discharge lead acid battery with out recharge for a long time.

If you are leaving on a long trip, fully charge the batteries before you leave.  Don't forget to unplug the batteries from the charger.

Over charging the lead acid batteries can cause the batteries to loose water from the electrolyte   Loosing water can reduce the life of the batteries. Unplug the charger after the battery is fully charged.  Avoid leaving the batteries on charge for extended period of time.  If you still have questions feel free to contact us at (877)394)3941.

Battery Consulting

How to buy wheelchair batteries?

Buying replacement batteries for your wheelchair or scooter can be critical for the life of the batteries. Most of the wheelchairs use two 12V batteries. Depending upon the size of the wheelchairs the capacity of the batteries will change. The voltage of the two batteries have to match with in 100 mV and the batteries should be from the same date code meaning manufactured during the same batch. If the voltages of the batteries are very different then the life of the combined battery system will be seriously affected. At battery consulting they match the voltages of the batteries before shipment to ensure longer life during the application.

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Hoveround wheelchair batteries

The replacement batteries for Hoveround wheelchairs and scooters are available at battery consulting.  These batteries are on stock and usually ships the same business day.  The wheelchair and scooter batteries from Battery Consulting are designed to meet or exceed Hoveround OEM Specifications and carry one year full warranty. 

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Gel or AGM

Sealed lead acid batteries have sulfuric acid as electrolyte.

In Gel batteries the electrolyte is stored in the form of Gel where as in AGM batteries it is stored in Absorbed Glass Mat.

Wheelchair batteries use both AGM and Gel batteries. Gel batteries are slightly more expensive than AGM batteries.

Performance wise both batteries are similar. For more information and to buy quality wheelchair batteries visit Battery Consulting.

Tips for improving wheelchair battery life

Keep the wheelchair/scooter in a cooler place whenever possible - Higher the temperature lower the life

Avoid discharging the batteries completely - Deeper the depth of discharge lower the cycle life.

Unplug the charger from the wall when the battery is fully charged. - Do not over charge the batteries.

Do not leave the batteries in discharged condition - Leaving the batteries in a discharged condition reduces the life of the batteries.