Adding more battery capacity?
#1
Adding more battery capacity?
So the HiHy factory NiMH traction battery puts out a nominal 288v and about 1.9kWh. What would happen if a guy were to wire in a second battery with a dc/dc converter to, say a couple Chevrolet Volt battery cells (48v and 2kWh each) with a plug in charger? Could add 4kWh quite easily. The Volt battery cells are really quite compact, and I could build a wood enclosure and cover in carpet, just like a subwoofer box, and place it behind the third row seat... theoretically... I think it could drastically improve the mileage of the HiHy in low speed driving. There’s a company that makes such a unit for the Prius, but the Prius uses a 201v battery pack, so I highly doubt their off-the-shelf unit could work in a HiHy. Am I nuts for wanting to build something similar myself or does it seem feasible?
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