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Old 12-30-2019, 12:58 PM   #9 (permalink)
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Originally Posted by teoman View Post
For an initial approach I had in mind a boost converter or a buck converter to charge the original pack.
Look into the Enginer PHEV kits for the Prius, they used a 48v battery and boosted the voltage to the pack voltage.

Modifying the electrical side of most hybrids is difficult and the results usually aren't very impressive. If you already had the batteries and the car sitting around, and a really good idea of how to make them work together, I would say go for it. But in your case, I wouldn't. If you really want to buy the batteries and do something with them, a project like an electric motorcycle or e-bike would be a better use of your time.
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