Dear Alan,
Did you connect #200072 CT to #200199 meter? This meter can only use the precise CT come with it togther.
Please don’t change to other CT.
Best regards.

Hi Chris,
The trigger we mean is like this one:
https://www.amazon.com/Automatic-Voltage-Current-Charger-Trigger/dp/B075LHFHQ3/ref=sr_1_1?ie=UTF8&qid=1522999084&sr=8-1&keywords=B075LHFHQ3
It is used to induce qc2.0/3.0 device to output high voltage. Please do not use it to charge phone directly.
Best regards.

Hello Tana Si,
Thanks for writing in.
Firslty, could you please check if it is this item? 180051
And please kindly tell us more details about your operation. For example, what kinds of load did you connect? How is it when without load?
If you can, could you please take a short video to let us check more carefully? You can send it to our service email(service @droking.com)
Best regards.

Dear Bill,
Thanks for your business.2001708006.
20mV output ripple is for case that 12V to 5V,3A. It may vary in different case.
Best regards.

Dear customer,
The Max input current for this item is 16A. If it is over 10A, you need to enhance heat dissipation
And the Max output current is 12A. It also need heat dissipation if over 10A.
Best regards.

Hello Ryan Rader,
Thanks for writing in and we are sorry for inconvenience caused on you.
Since these items are semi-manufactured module, they don’t have paper instruciton.
Here are the wiring diagrams. Hope this can help you.



Best regards.

Hello Chris,
We noticed your question on another section of forum, so we have replied to you there.
Can you see our response?
Any questions, please let us know.
Best regars.

Hello Bottrell,
Our website is updated recently, so we are sorry we can’t check your problem in time.
Would you please firstly let us know which item you mean?
Best regards.