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 Other power wheelchairs I’ve seen use solid tires, why does Hoveround use inflatable front drive tires on their chairs? How much is the PSI and how often should I check them? What happens when I get a flat drive tire? Do you sell solid, flat-free wheels? What should I know about medicare and repairs to my power chair? What should I do after I try troubleshooting and I think my Hoveround power chair needs to be serviced? Does Hoveround provide a loaner chair while I am waiting to get my current chair repaired?