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Current Sense - connected via I2C, and provides current readings and cell ambient temperature,
AFEs - 3 AFE boards, daisy-chained over iso-spi. These provide per-cell-unit voltage readings and Ambient cell temperature readings, as well as performing perform load balancing
Relays + killswitch monitoring - Positive and negative relays must both be closed for the battery to be connected to the rest of the car. Killswitch monitor reads state of manual killswitch to batteries
HV Neg relay
HV Pos Relay
HV Solar Relay
Fans - Used to provide cooling to batteries. Controlled via PWM
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