Power
The Power System is comprised of the following components:
- Battery Bank – Supplies the electricity to the motor
- Battery management system (BMS) – Tracks individual battery metrics
- Charger – Renews the battery cells via an external power supply
- Accessory 12V battery – Acts as a medium between the stock vehicle electric system and the high voltage battery bank
- DC/DC converter – Keeps the 12V battery charged just as an alternator would
The BMS and Charger can also be monitored and configured via a mobile device.
Battery Bank
The vehicle is powered by 45 Sinopoly LiFePO4 battery cells connected in series and housed in a custom built steel enclosure. The enclosure is topped with a sheet of plexiglass to improve aesthetics and minimize risk.
Specifications
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Battery Management System
Each individual battery is monitored by the Orion Battery Management System. It is equipped with a CANBUS interface which feeds real time data into the onboard computer. This data is then available to mobile devices for monitoring battery statuses.
Charger
The batteries are recharged with an Eltek charger delivering 3000W and 16A of power at 96% efficiency. The charger takes a 85-275V AC Input from a typical wall socket and provides a CANBUS interface for monitoring the charge process. Various charge metrics are reported to both the onboard Linux computer and the Orion Battery Management system via the CANBUS protocol. The old gas cap was converted into the electrical input interface.
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