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Shopping For an Electric Powered Wheelchair A wheelchair powered by electricity can be very beneficial for individuals with mobility issues. These chairs are available at major retailers and specialty mobility equipment suppliers. Medicare and private insurance can cover the cost of an electric wheelchair when it's determined to be medically necessary by a doctor. The majority of power wheelchairs have a joystick, which the user can use to control the motors. These actions are converted into electrical signals by a control unit that acts as the brain of the chair. Battery Life When looking for a power wheelchair one of the most important aspects to take into consideration is the battery's lifespan. A high-quality battery will last for up to two years if it is used regularly and maintained properly. The type of battery can also influence the distance a wheelchair can travel on a single charge. Deep cycle batteries are found in most power wheelchairs. They offer a long-lasting energy supply. These batteries can handle multiple recharges and discharges without damaging the cells of the battery. It is crucial to adhere to the manufacturer's recommended charging practices that typically include charging the battery over the course of a night and avoiding letting it run completely empty. The surface on the ground on which the wheelchair is operated can affect the battery's life. Smooth, level surfaces use less energy to propel the chair, resulting in longer battery life. If the wheelchair is driven on rough terrain, the motors need to work harder to maintain balance and speed which consumes energy and drains batteries faster. The age of a battery and its usage pattern can also impact its longevity. It could be time to replace a battery if it is getting old and losing its capacity to keep charge. A newer battery will reduce the time required to charge a wheelchair and will likely to have more capacity. Wheelchair batteries come in various sizes. The most popular are Group 24 and Group 22NF. Group 22NF batteries are smaller and lighter than Group 24 batteries, helping to reduce the weight and dimensions of a power wheelchair. They have a smaller power reserve or “juice” than Group 24 batteries. Avoid charging or subcharging the battery as it will reduce the battery's lifespan. It is important to keep the battery in a cool, dry place, as extreme temperatures can impact its functionality. Capacity of Weight Weight capacity is an important factor to consider when choosing a power wheelchair. If the chair will be used for long journeys and long trips, then it should be able to support the user's weight. Weight issues can result from excessive weight, which can also result in accidents and battery life issues. The weight of a power wheelchair varies from one model to another and is affected by its batteries. It also is affected by the number and types of accessories it has such as oxygen tank holders and various seating systems. However, electric automatic wheelchair of its weight is derived from the batteries. A single battery can weigh as much as 50 pounds, and the majority of power chairs come with two batteries! Whether the power wheelchair has two-pole or four-pole motor can also have an impact on its weight. A four-pole power chair is more efficient, and has more weight capacity. However, it requires more energy and drain the batteries more quickly than a motor with just two poles. Power wheelchairs also be equipped with different base drives, such as rear-wheel drive or mid-wheel drive. The position of the drive wheels can affect the maneuverability and handling of the wheelchair under various conditions. The drive base may also have a number of other options, like a swing-away controller which aids in side-transfers and sip-and-puff controls which work by blowing on the sensor. The setting that a power wheelchair is used is an additional aspect to consider. It's essential that the chair can travel across a variety of terrains and fit into hallways and rooms. It's important to measure doorways and ensure that the chair can move through them, including doors with hinges. A physical therapist or mobility specialist can help select the appropriate power wheelchair for the person. In electric automatic wheelchair to evaluating the weight of the chair, its speed and range of travel They can also provide advice on other factors like accessibility, comfort and seat size. They also consider the frequency and duration of use and if the chair will be transported regularly. Seating Unlike manual wheelchairs, electric powered ones are powered by motors that move them. This gives you more mobility and greater mobility than a manual chair however, it has certain limitations and other factors to consider. It is important to understand the weight capacity of your wheelchair. It is important to never exceed your power chair's recommended weight limit, whether it's you or any equipment or other items that you're carrying. Then, ensure that your power chair includes a comfortable seat as well as an appropriate footplate that you are able to fit into. If your feet don't fit into the footplate of the chair, your center of gravity will be moved backwards, and the wheelchair may swivel. Then, you should look for a wheelchair that has tilt and recline capabilities to reduce the chance of developing pressure sores. This feature is essential for seniors whose skin can be thin and prone to bruises. Moreover, power leg rests can help raise your legs and lessen swelling. Your wheelchair, like every mechanical device, requires regular maintenance in order to operate properly and safely. You'll need to check the battery condition as well as tire pressure, brakes and other components of the device frequently. Also, you should check the seating for wear, and make any adjustments that are needed. It is essential to keep your power chair in a space which isn't exposed to extreme weather conditions. Exposure to high temperatures can affect the frame's condition, while exposure to low temperatures can damage the battery and other electrical components. Unless you're buying the wheelchair out of pocket the wheelchair isn't insured and you won't be able return it if it doesn't satisfy your needs. Manufacturers' warranties usually last between one and two years. They cover joysticks, motors, frames, and electronics but not back cushions, seats, or tires. Before purchasing an electric wheelchair, inquire with your dealer about their return policy. Most importantly, go through the user's manual and follow all the directions regarding the use and maintenance of the device. Operation Power wheelchairs are powered by a motor in the power base that sits under the user's seat. The motor is powered by one or two rechargeable 12-volt batteries that are connected in series, giving a total of 24 volts. LITH-TECH provides lithium batteries that are more efficient in energy than lead acids and can be used for longer periods of time. The controller, electronics and power base can be customized to meet the needs of various users, with numerous options available. For example, some chairs offer customizable seating to help ensure a comfortable fit and let the user find a position that best supports the stability of their posture. Many models include adjustable features like the height of the seat, leg rest and recline positions, as well power tilt functionality. There are a variety of additional features that are available for electric powered wheelchairs , including oxygen tank holders elevating seats, and a variety of power accessories. Certain powerchairs are customized to allow the user to control them by using brainwaves or nerve signals. Some powerchairs have the ability to alter the speed according to the user's preferences or to match other vehicles on the road. For example, when driving uphill. They can also be equipped with sensors that warn of obstacles and other potential hazards within the vicinity, and will automatically slow down or stop when necessary. The positioning of the drive wheels – whether they are front-wheel, mid-wheel or rear-wheel drive – has a big impact on the way a chair performs in different situations. This is a massive topic, so we'll leave it for a future Clinical Corner. Before taking your new electric wheelchair out for the first time, ensure that it's fully charged and the tires have enough air pressure in them. In preparation for your first time, it's a good idea make some adjustments to your chair, armrests, and footrests. It is essential to follow the instructions in the manual before operating your wheelchair. This is especially important for driving up and down hills. This reduces the chance of injury and discomfort.