I am working on a project to add a battery pack to my 2014 Rav4 EV to extend range. The OEM battery is made by Tesla and uses 2600 mah 18650 cells in a 92s48p configuration.
My plan is to add 3400 mah 18650 cells in a second battery pack. My pack will be 92s31p.
I thought I could simply run them in parallel but someone told me that I would have issues because the amp hour rating is different. He told me I should use an isolator. Is there truth to this? I was worried about the difference in amp hour ratings but I havent read anywhere that it would matter.
I've never used or researched isolators. Do I need one and do they make them that can handle 386 volts and 325 amps?
General Discussion about electric vehicles.
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