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Solar Powered Wheelchair

The Problem:

  • 24V wheelchair; the only solution, solar
  • Small solar is 12VDC
  • Wheelchairs are used when the sun is shining
  • Limited funds to work with

The Solution:

  • Use a 12V system to charge a 12V battery
  • Use an inexpensive and efficient inverter to power an efficient 24VDC battery charger

The Result:

  • The solar panels charge the solar panels during the day while the wheelchair is being used
  • The 12V battery supplies an inverter to an efficient 24V battery charger at night, charging the wheelchair batteries

Side Note: The factory-supplied wheelchair charger had horrible efficiency. The only way this project was feasible was by using a more efficient surplus 24V battery charger from an army truck.