Best Meter to test DC votage current watts and battery capacity impidence etc

RUIDENG or Ruken UM24C and UM25C can connect to Windows and android

Ruken UM34C USB 3.0 and UM35C can not connect to Windows. 

RD Type-C TC66C USB PD trigger - 30V-5A 150 Watt Max 

https://rdtech.en.alibaba.com/

UNI-T  meters 

https://uni-trend.com/ 

KWS-DC200 0-200V 0-100A DC Digital Display Voltage and Current Meter Color Screen Power Tempterature Tester Timer - 100A - Non USB

FNB48 - test voltage, current, power, and freequency, PD trigger up to 20 volts Limit 

FNB58 PD trigger up to 28 volts