Hello Mike Fowlds,

We are sorry it is hard to confirm which item it is. Would you like to offer product link or ASIN number?

And to check it further, is it convenient for you to show us the whole connection by images or video?

You can upload  pictures here or send to  Service@droking.com

Best regards,

DROK

Hello Charles Ostendor,

Is it buck converter or boost converter? And do you mean one convertet with two display meters? We don’t have such item now.

It would be apprecaited if you can tell us more inforamtion.

Best regards,

DROK

Hello Ben Brand,

Here is 200151 instruction for your reference.

https://www.droking.com/cs/wp-content/uploads/2020/05/200151-instruction.pdf

Best regards,

DROK

Hello T.M.WORKS，

Please check if it is below item. You can place order from our website.

https://www.droking.com/Digital-Meter-DC-10-100V-Universal-LCD-Car-Acid-Lead-Lithium-Battery-Capacity-Indicator-Tester-with-Low-Pressure-Alarm?search=2001710003&description=true

Best regards,

DROK

Hello John Dough，

Would you like to tell us more detais about your operation?

Or it would be appreciated if you can show that by video. With more inforamtion, we can find solution quickly.

You may share video link here or send attachment to service@droking.com

Best regards,

DROK

Hello Derek Smith,
We received the same problem on Amazon email, is that from you? Below is our response.

May I know more details about your operation? Did you short output port or connect load to regulate current? Can it work before in the same siutation? If possible, would you like to show the current status by images? Please don’t worry, we will find solution for you once confirm the problem.

Best regards.

Hello Jorge Recarey,

Please check if it is this item, https://www.amazon.com/dp/B07759SLYP/ref=as_li_tl?tag=proeng-20

It can’t measure current.

Best regards.