Hello,

If the no-load current reading is not zero, please enter “CLR” menu, then click down button to zero reading.

About battery capacity setting, please set rated capacity in “BAT” and remaining battery capacity percentage in “BPC”.

Hello Scott Johnston,

It is hard to confirm which item it is? Would you like to offer product link? If you order it from Amazon, you can also find the ASIN number.

Best regards.

Hello,

Please refer to below image.

Hello roberto188,

Percentage calculation is based on your preset value and actual voltage，it depends on your setting. If the value for 0% and 100% is not accurate, the actual percentage is also incorrect.

Best regards.

Hello Keith Hoard，

Please confirm if it is this item, https://www.amazon.com/dp/B078Q1624B?ref=myi_title_dp&th=1

Would you like to show the issue details by video so that we can check further?

You can share a video link.

Best regards.

Hello Jason Russell，

Sorry, low temperature alarm is not available.

Hello Perrish，

Would you please kindly offer product link or Order ID so that we can confirm which item it is? And would you like to show the connection?

Hello dj,

Please check if it is this item, https://www.amazon.com/dp/B089ND7PTH?ref=myi_title_dp&th=1

Did it show “OPP” ? Would you like to show how it is by images or video?

Best regards,

DROK