Sounds to me like you have a bad cell in the battery. i would try a new one. if this is new it may be under warrenty. remember just because somethings new dosent guarentee it works properly. if you get a new battery and the same thing happens it could be a charging problem or short with the chair.. i hope this helps you
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Sounds to me like you have a bad cell in the battery. i would try a new one. if this is new it may be under warrenty. remember just because somethings new dosent guarentee it works properly. if you get a new battery and the same thing happens it could be a charging problem or short with the chair.. i hope this helps you