Mobility scooters are powered by heavy-duty batteries. Various companies have come up with different kinds of batteries. The prices differ with the varying capacities. Distinct batteries power different models of mobility scooters.

A three-wheel scooter with a 143 lbs capacity is fitted with 2 batteries, 12V, 32 amp that power the vehicle with a maximum speed 4.25mph and cover 25 miles. The same pair of 12V, 32amp power a three-wheeled scooter of 205lbs, with a maximum speed of 5.75 mph and cover 25 miles. The pair can be used for all other models of three wheeled scooters, with different lbs.

A 166lbs full weight four- wheel scooter empowered with a pair of 12V, 32amp battery, runs to a speed of 5.0 mph and cover 25miles. A 355 lbs four- wheel scooter is fitted with a 12V, 100amp battery that enables the scooter to achieve a max speed of 10mph and can cover 25miles, when charged once. A 270lbs, full weight four- wheeled scooter with a capacity of 400lbs, is set with a pair of 12V 40amp battery.

The extra heavy duty scooters with a weight of 280 lbs and maximum capacity of 500lbs are empowered with a pair of 12V, 48 amp batteries, that power the vehicle to a speed of 7.0 mph and covers 25 miles. Whereas scooters with 270 lbs and 309 lbs full weight and a maximum capacity of 500 lbs, run on a pair of 12V 32 amp batteries, that powers both the scooters to attain a speed of 5.7 mph and cover 25 miles and more.

It is advisable to drivers to not pay much for a pair of batteries. They cost an average of $40 a piece. It is essential to make sure that the scooter is charged twice a week, especially in winter.