DEVICE
Identity & transport
- Name
- —
- Identifier
- Not read
- Service
FFF0
Terminal voltage
LIKELY CHARGING
OFFLINE
—V
Likely 10S Li-ion
—
/ 100
— / 42.0 V
Estimated charge · load affects accuracy · parallel count unknown
Relative sag health
Learning · 0 of 3 sag events
— / 100
VOLTAGE TRACE
What the battery is doing
Connect and take a reading to begin
ABOUT
Direct Bluetooth battery monitoring
BLE Voltage Lab connects directly to a compatible monitor in your browser. There is no account or cloud service, and readings stay on this device.
Built from independent reverse engineering of the KONNWEI BK300 and BKmonitor protocol. Similar hardware may be sold under other names.
KONNWEI BK300 Example hardware · ↗PROTOCOL LAB
Send a known command
Read commands are enabled. Unknown and state-changing operations stay visible but locked.
Raw command console
WIRE LOG
Packets, decoded
Waiting for a connection…