Watt Meter, Digital Power Analyzer with Digital LCD DC 60V 100A Wattmeter for Voltage (V) Current (A) Power (W) (Ah) and Energy (Wh) Measurement

It looks like these could give you cumulative Wh, you'd have to add your preferred connectors. Though if you didn't check the reading before losing solar voltage to the meters, they might just reset to zero? https://www.amazon.com/Digital-Analyzer-Wattmeter-Voltage-Measurement/dp/B07W61WN34 https://www.amazon.com/HTRC-Precision-Analyzer-Battery-Voltage/dp/B06XPVKY13