C3STROM ASTRO DELUXE, User Manual, Page: 33 / 46

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4.2 Battery Charging
a. b.
d. c.
Open the charging port.
You can now view the power
display.
Battery charging indicator light will
turn on.
Connect the charger.
21
3 Green 1Red
100%
2 Green 1Red
75%
1 Green 1Red
50%
0 Green 1Red
25%