| 5 LED display for battery energy level from 20% to 100% |
0% LED Flashing for singel cell voltage
< 3V（must recharge battery） |
1 LED = 20% for singel cell voltage:
3.0-3.3V（battery need recharging） |
2 LED = 40% for singel cell voltage:
3.3-3.5V |
3 LED = 60% for singel cell voltage:
3.5-3.8V |
4 LED = 80% for singel cell voltage:
3.8-4.0V |
5 LED = 100% for singel cell voltage:
4.0-4.2V ( battery is full ) |
