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The regenerative braking system simply uses the drive motor as a generator to slow the car down. The voltage generated at the DC Terminals is slightly above the pack voltage, by however much is necessary to push the amps back into the pack. Voltage stays relatively stable; it's the amps that vary widely. The voltage ranges from 300 to 361 volts DC, solely based on battery charge. To tie solar in, you need to either wire enough solar cells in series to get about 350-355 volts or find a voltage converter to take 12-24 volts up to 350 volts.However, there is one big hurdle that is expensive to work around. The car completely disconnects the drive battery when the car is turned off, meaning that any tie in points won't be connected to the battery and can't be used to charge the battery.
The regenerative braking system simply uses the drive motor as a generator to slow the car down. The voltage generated at the DC Terminals is slightly above the pack voltage, by however much is necessary to push the amps back into the pack. Voltage stays relatively stable; it's the amps that vary widely. The voltage ranges from 300 to 361 volts DC, solely based on battery charge. To tie solar in, you need to either wire enough solar cells in series to get about 350-355 volts or find a voltage converter to take 12-24 volts up to 350 volts.
However, there is one big hurdle that is expensive to work around. The car completely disconnects the drive battery when the car is turned off, meaning that any tie in points won't be connected to the battery and can't be used to charge the battery.
