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 Is there any maintenance required for my power chair? FAQ for Pneumatic Tires Does Hoveround send a technician out to my house every time a service issue arises? How can I tell if my fuse is blown on my Hoveround power chair?