How do I know if the HyperJuice Micro/Mini is fully charged? When should it be recharged?

When recharging the battery, the LED will keep cycling through different colors, and it stays GREEN when the battery is fully charged.

The indication LED will be lit to different colors to indicate the current battery level.  

When the indication LED is blinking RED, the battery is below 20% and it needs to be recharged.

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