How can we help you? How do I replace the batteries on my MPV4 or MPV5 power wheelchair? 3 out of 5 found this helpful You can download the following instructions on how to replace the batteries in your Hoveround power chair. Replacing Battery Instructions MPV4 and MPV5 with a serial number lower than 5800000 MPV5 with serial number greater than 5800000 Was this helpful? Yes (3) No (1) Category: General Related Questions FAQ for Pneumatic Tires Is there any maintenance required for my power chair? Why doesn't insurance pay for ramps, vehicle lifts, and stair lifts? Does Hoveround provide a loaner chair while I am waiting to get my current chair repaired?