Electric Wheelchair Battery

Understanding how the electric wheelchair batteries work is important if you are a power wheelchair user. Power wheelchair batteries do have to be replaced occasionally, so
nderstanding how they work will make selecting the correct replacement for your chair much easier. The wheelchair plays a very important role in the performance of your
wheelchair.

There are 3 important components of power wheelchair batteries namely capacity, current rating and cell type.

Capacity

Capacity is how long the battery can function and is expressed in ampere-hours (Ah). If an electric wheelchair runs at 10 amperes, a typical deep-cycle lead-acid battery has
about 30 to 90 Ah, which means it can run continuously for 3 to nine hours. This is good since most people don’t use their wheelchair continuously.

Current

Current is the rate of electron flow and is expressed in amperes (A). The higher the amperes the better the wheelchair will perform over uneven terrain and obstacles.

Battery Type

The cell type refers to if the battery is wet or gel celled the two main types of battery cells for wheelchairs. While either can be used to power a wheelchair, some
manufacturers recommend gel-cells because of maintenance and environmental issues associated with wet-cell batteries.

Wet-Cell Batteries

Despite having those issues, wet-cell batteries often have a bigger capacity, can supply more electrical power, and generally are less expensive compared to gel-cells. As a
result, they are nevertheless the battery pack of choice for most users. Wet-cell batteries come in sealed or vented types.

Vented wet cells have to be maintained by adding water occasionally. For someone who is disabled adding water to a wet ceII battery can be dangerous since they will be
exposed to acid every time the cell is opened. Serious chemical burns can occur or corrosive damage can result if spilled on the wheelchair. Sealed wet-cell batteries are fully enclosed, therefore there is no water level to maintain. Serious harm can still occur if the battery leaks. Since both types of wet-cell batteries have chemicals, they are prohibited from airplanes.

Gel-Cell Batteries

Gel-cell lead-acid batteries are designed to maintenance free and there is no chance of chemicals spilling. These types of batteries are allowed on airplanes. Gel-cell batteries are more expensive and have about 10-2096 less capacity compared to wet-cell batteries. When buying a new power wheelchair battery, make sure you have the correct
charger for the given battery. Using the incorrect battery charger can permanently damage the battery. Wheelchair batteries are “deep cycle” batteries, which mean they have
to be fully discharged before recharging. Most batteries can be recharged as much as 300 times before they lose holding power capacity.
How long will a full battery charge last?

Fully-charged batteries can be expected to hold a charge for several hours, with a potential range of approximately 10 to 20 miles. But, there are additional factors that impact the length of time a battery will sustain its power.

Type of batteries installed: Sealed, lead acid batteries are preferable.

Age of batteries: Batteries over 18 months old may need to be replaced.

Environment where chair is used: Terrain and grade impacts power drain.

Weight of the rider: Rider‘s weight can affect the battery power.

Is there any way to know when the battery charge is running low?

Power wheelchairs are equipped with battery gauge lights, located on the surface of thejoystick controller. These indicator lights will show the battery charge strength and will flash to indicate when the battery is fully charged. Hoveround recommends using a multi- stage battery charger overnight and after every day of normal use to maintain the
most optimal level of battery charge. When the chair is not being used, the battery should be kept as fully charged as possible. This will help extend the life of the batteries.When should electric wheelchair batteries be replaced?

While there are many variables to consider, a set of new power chair batteries should last a minimum of six months, with a potential lifespan of 1 year or longer. However, if
batteries begin to lose power quickly, experience a decrease in range, or suffer damage, the time may be right for power wheelchair replacement batteries.

MIL35-12 – 12V 35AH Battery

The Mighty Max ML35-l2 12 Volt 35 AH uses a state of the art, heavy-duty, calcium-alloy grid that provides exceptional performance and service life in both float and cyclic applications.

The ML35-l2 is an Absorbent Glass Mat (AGM) technology with a valve regulated design, that can be used in enclosed and indoor environments without lealdng or maintenance, providing a superior performance for thousands of models.


ML35-12 - 12V 35AH Battery for Pride Jazzy Select Electric Wheelchair - 2 Pack - Mighty Max Battery brand product

$127.99
1 new from $127.99
Amazon Amazon.com
Last update was in: February 18, 2018 11:18 am

Mighty Max SLA batteries are utilized in a wide variety of applications including; Consumer Electronics, Electric Vehicles, Engine Starters, Golf Carts, Hunting, Lawn and Garden Tools, Medical Mobility, Motorcycles, Power sports, Portable Tools, Solar, Toys and Hobby, Access Control Devices, Emergency Lighting, Security and more.

 

Product Features

ML35-l2 SLA is a 12V 35AH Sealed Lead Acid (SLA) rechargeable maintenance free battery. Pack of 2 Dimensions: 7.68 inches x 5.16 inches x 7.13 inches. Listing is for the Battery and Screws only. No wire harness or mounting accessories included. SLA AGM spill proof battery has a characteristic of high discharge rate, wide operating temperatures, long service life and deep discharge recover. Rechargeable battery that can be mounted in any position, resists shocks and vibration. Long lasting high performance in high and low temperatures. Backed by a 30 day refimd policy and full 1 year warranty.

Compatible 12V 35Ah Wheelchair Battery for Pride Mobility Jazzy 1103

D5722 UB12350 12V 35AH – Absorbant Glass Mat (AGM) technology for superior performance. Valve regulated, spill proof construction allows safe operation in any position.

Commonly use for wheelchairs and you can also use it for Consumer Electronics, Electric Vehicles, Engine Starters, Golf Carts, Hunting, Lawn and Garden Tools, Medical Mobility, Motorcycles, Photography, Power sports, Portable Tools, Solar, Toys and Hobby, Access Control Devices, Emergency Lighting, Security.

How long will a full battery charge last?

Fully-charged batteries can be expected to hold a charge for several hours, with a potential range of approximately 10 to 20 miles. But, there are additional factors that impact the length of time a battery will sustain its power.

0 Type of batteries installed: Sealed, lead acid batteries are preferable.

0 Age of batteries: Batteries over 18 months old may need to be replaced.

0 Environment where chair is used: Terrain and grade impacts power drain.

0 Weight of the rider: Rider’s weight can affect the battery power.

Is there any way to know when the battery charge is running low?

Power wheelchairs are eQuipped with battery gauge lights, located on the surface of the joystick controller. These indicator lights will show the battery charge strength and will flash to indicate when the battery is fully charged. Hoveround recommends using a multi-stage battery charger overnight and after every day of normal use to maintain the most optimal level of battery charge. When the chair is not being used, the battery should be kept as fully charged as possible. This will help extend the life of the batteries.

When should electric wheelchair batteries be replaced?

While there are many variables to consider, a set of new power chair batteries should last a minimum of six months, with a potential lifespan of 1 year or longer. However, if batteries begin to lose power Quickly, experience a decrease in range, or suffer damage, the time may be right for power wheelchair replacement batteries.

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