The table below shows the behavior of the charge level indicator LEDs and what they mean.
| Charging Power pack | LED 1 | LED 2 | LED 3 | LED 4 | Battery Capacity |
| Shining | 0 – 25% | ||||
| On | Shining | 25 – 50% | |||
| On | On | Shining | 50 – 75% | ||
| On | On | On | Shining | 75 – 99% | |
| On | On | On | On | 100% |
| Discharging | LED 1 | LED 2 | LED 3 | LED 4 | Battery Capacity |
| Shining | 0 – 25% | ||||
| On | Shining | 25 – 50% | |||
| On | On | Shining | 50 – 75% | ||
| On | On | On | Shining | 75 – 100% |