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Re: Solar system design for home radon fan remediation system (off-grid)
A 75 Watt load 24x7 is just about the same as running a refrigerator full time--Not a small load. Normally, for a lead acid off grid power system, we start with 2 days of storage... You can run 3 day…2 · -
Re: Learning to identify end of life for Lead acid batteries.
Welcome to the forum SZ. First answer is your batteries are probably toast. Especially if they are over a few years old. (all in my humble opinion). You really need to be measuring/logging voltages i…1 · -
Re: Sunny island shuts down and sunny boy red light blinking
I should add that the Sunny Island (and probably the Sunny Boy) do have the capabilities (if turned on) to "modulate" the AC grid frequency (something like +/- 1 Hz). This is used by energy…1 · -
Re: What size fuse should I attach to the positive terminals of my AGM battery bank?
You are in Australia, and I do not know your electrical codes and wire designations... Here is an example of US codes and how we would size a system. Say your maximum load current is planned to be 10…1 · -
Re: Sunny island shuts down and sunny boy red light blinking
Sunny Islands generally need a battery bank to function correctly. Your batteries are the one thing that can be damaged/ruined in days or hours if they are not managed correctly. Get a volt meter and…1 ·
