Battery buddy not charging5/17/2023 ![]() ![]() In case all 4 LEDs start blinking, it indicates that the unit has developed some fault. Still, it is advisable not to leave the power bank connected to the power source for a long time after it is fully charged, as it may damage it. Power banks have built-in battery protection systems to prevent overcharging and overheating. When all 4 LEDs stay steadily lit, it means that the power bank is fully charged and should be immediately disconnected from the power source.
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