Please note BBG2.0 coin-cell battery can not be chargable. If the voltage of coin-cell battery is lower than 1.8V, it can not maintain RTC any more. You can replace another coin-cell battery or use BBG2.5/BBG3.0 whose coin-cell battery can be chargable for tests.
Please note BBG2.0 coin-cell battery can not be chargable. If the voltage of coin-cell battery is lower than 1.8V, it can not maintain RTC any more. You can replace another coin-cell battery or use BBG2.5/BBG3.0 whose coin-cell battery can be chargable for tests.