Checking charge level on the holder:
- Briefly press the button on the holder one time
- 2 LEDs illuminated - two more uses possible
- 1 LED illuminated - one more use possible
- No LED illuminated - Holder not charged
- Briefly press the button on the pocket charger one time:
- 2 LEDs illuminated - two more uses possible
- 1 LED illuminated - one more use possible