A helpful monitor of solar installations?
I've had multiple headaches installing solar systems for many reasons: Faulty batteries, Lack of understanding about how it all works together, lack of tools (only have a simple multimeter), etc. I'm trying to find an affordable tool that would allow me to have a bit more information about several small solar systems I need to set up. Most are in Central America and central India to give you an idea of the sun availability.
Most will be 1-2 AGM batteries (no ability to properly monitor standard flooded cell batteries) of about 100 Ah each, 1-2 100W 12 or 24v solar panels, perhaps a couple of systems with 2-4 200w solar panels, and basic lighting (5-15 LED 9w-13w bulbs running a total of 4 hours a day). I really don't need an inverter and I really don't need more than basic lighting and a USB port or two to charge a couple of phones. I'd like the system to be able to run 3-4 days without full sun ideally.
Any suggestions about what to buy, specs needed for the energy consumed calculations, etc. is fine. But, one thing I seem to have problems with is the lack of proper tools to monitor the systems for simple, basic info.
Can someone comment to tell me if installing something like the following would help me with simple, but helpful information for monitoring a small system with only about 200w of PA? It is a:
LCD Display Digital Current Voltage Power Energy Meterhttps://www.amazon.com/gp/product/B013PKYILS/ref=ox_sc_sfl_title_3?ie=UTF8&smid=A1T3LOAKNUUM9N&th=1
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