| 1 | Charge level indicators | 
| Power Pack Indicators | Description | |
|---|---|---|
| Solid Green LED | ||
| Blinking Green LED | ||
| Blinking Red LED | ||
| Power not applied to Power Pack. | ||
| Charge level is between 0% and 20%. | ||
| Charge level is between 20% and 40%. | ||
| Change level is between 40% and 60%. | ||
| Charge level is between 60% and 80%. | ||
| Charge level is between 80% and 100%. | ||
| Fully charged. | ||
| Charging error. | ||