My version of charging analyzer have following features:
- cuts charging at preset level: 70, 80, 90 or 100% to prolong battery life and extend scooter range,
- counts charge cycles from last full charge as reminder to repeat full charge every 10-12 cycles,
- approximate battery capacity after charging is complete so you can check if degradation has occured,
- measures and displays parameters during charging: voltage, current, power, energy, estimated batt capacity, charging time and number of charges from full charge.
It is made for Dualtron Thunder electric scooter and for charging with standard charger. If needed it can be adapted for other scooters with different voltages and capacities.
Goal of my desing is to have device which is easy and intuitive to use, and displays all relevant data during and after charging. Sensors used for measuring voltages (16-bit adc ASD1116) and current (INA219) are very precise so all shown charging parameters can be trusted.
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