We are working on a smart battery charger: rotoye.com/batcha
Features
- 2-12S LiPo Charge
- Two ports. Charge two battery simultaneously. Optional expansion puck to charge 4x smart batteries per port
- 500 watt total power. Shareable to either ports
- Max charging current per port: 20A
- Smart battery data interfaces:
- I2C: Two wire based protocol such as SMBUS
- CAN BUS: Two wire differential pair robust protocol for UAVCAN
- LIN BUS : Single wire communication protocol for micro drones and connectors with single
- USB interface for monitoring and controlling charge workflow from PC
- Optional: Integrated Raspberry Pi Compute module for Wi-Fi and Ethernet connectivity
- User interface engineered for speed and safety. Plug-in to charge-start in less than 4 seconds
- Design optimized for robustness and repairability
Feedback requested
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BatCha uses a TE connector rated for ~70A of current with multiple data wires on the connector. We believe it would be in good interest of the community to have a common pin out for the connector for charger perspective. Welcome the feedback on the this. Attached is the draft of the pin out
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BatCha can help with the control of battery charging and logging individual battery charge status by connecting to a PC(see pic below). We welcome feedback on the data protocol for this communication. Currently it is a text based system, but would be good to universal format.
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If BatCha can help with your project needs please reach out .
