1 unstable release
0.1.0 | Oct 18, 2024 |
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#938 in Hardware support
140 downloads per month
19KB
287 lines
Batteread
Read status data from certain models of LiFePO4 Battery Management Systems over Bluetooth Low Energy
Tested with a 400ah 24v battery manufactured by https://www.li-gen.net/ and sold around the year 2022.
The BMS has a BLE interface. On top of that the NordicUART protocol is used for serial communication. On top of that there seems to be a proprietary request-response protocol which I have attempted to partially reverse engineer.
Currently the following data can be accessed:
- State of charge (%)
- Residual capacity (Ah)
- Cycles (count)
- Cell voltages (v)
- Battery voltage (v)
Example
# use std::time::Duration;
#
# #[tokio::main]
# pub async fn main(){
let mut battery_client = batteread::BatteryClient::new_default_name().await.unwrap();
loop {
let battery_state = battery_client.fetch_state().await.unwrap();
println!("{battery_state:?}");
tokio::time::sleep(Duration::from_secs(5)).await;
}
# }
lib.rs
:
Read status data from certain models of LiFePO4 Battery Management Systems over Bluetooth Low Energy
Tested with a 400ah 24v battery manufactured by https://www.li-gen.net/ and sold around the year 2022.
The BMS has a BLE interface. On top of that the NordicUART protocol is used for serial communication. On top of that there seems to be a proprietary request-response protocol which I have attempted to partially reverse engineer.
Currently the following data can be accessed:
- State of charge (%)
- Residual capacity (Ah)
- Cycles (count)
- Cell voltages (v)
- Battery voltage (v)
Example
#
let mut battery_client = batteread::BatteryClient::new_default_name().await.unwrap();
loop {
let battery_state = battery_client.fetch_state().await.unwrap();
println!("{battery_state:?}");
tokio::time::sleep(Duration::from_secs(5)).await;
}
Dependencies
~5–33MB
~492K SLoC