Q8: Can this unit charge other devices while it is being
charged?
A: Yes.
Q9: Can this unit charge other devices while starting a
vehicle?
A: No.
Q10: How often does this unit need to recharge?
A: It would be best to be recharged every 3 months.
Q11: Why it shuts off in 30s when charging for other
devices?
A: This product may not be able to charge for the devices
that need weak current like iphone 6 series, headphone,
smart watch,etc. Because this unit has a minimum load
current (200mA). it will be automatically off after 30s if the
load current is less than 200mA.
11