AK28 HD/HD+ User Manual V1.1
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Transmitter Power On Charging
AK28 HD/HD+ system pops “USB inserted, please confirm before disconnecting
datalink/videolink function and switching to charging or file transferring function”.
Then click “Yes”.
Mark: Please make sure that the charging current is less than 2A or it may cause damage
to battery.
Mark: AK28 HD/HD+ transmitter is equipped with a replaceable 12690mAh LiPo 1S
battery. Charging time is about 10 hours using a standard
5V/2A
charger adapter. Charging
time may change according to chargers made under different standard, please also pay an
attention to the charging indicator when you are charging the transmitter.
Charging Indicator Definition
Power Off Charging
Solid Red: Transmitter is under charging.
Solid Green: Charging is finished.
Power on Charging
Solid Yellow: Transmitter is under charging.
Solid Green: Charging is finished.
*How to Charge AK28 HD/HD+ with Battery Charging Hub
The battery charging hub takes about five hours to charge up to three batteries
