Quote:
Originally Posted by red-beard
Actually, a client. They have a Grid+Battery system, dating from 2011. The solar company that installed it went out of business. I've been helping them since 2016.
The UB4D is a poor battery for the application. It does not have a very good life. The C&D batteries are designed for long life (10 years) in standby applications. That system will cycle maybe 100 times in 10 years. Good application for VRLA sealed lead-acid batteries.
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OK thanks. Very interesting. They are lucky to have someone like you that's is so knowlegable!
I guess technology for batteries like everything else keeps improving.