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Legit CALB Cells?

Brett V

Mad Scientist
Joined
Apr 5, 2021
Messages
1,437
Location
Pennsylvania
Shenzen Yidong

I'm planning to replace a stack of 180 ah AGM batteries configured in an 2S4P (I know too many strings, it's been a learning experience) with 16 of these 200 ah cells configured in a 2P8S configuration. My application is a home built Frankenstein UPS for the essentials... freezers, fridge, a few lights all off a 1500 watt 2 volt inverter. My average drain over 10 hours expected run time is about 25 amps. I have spent 40 years in the telecommunications industry and the plastic case of the CALB cells appeals to me more than the aluminum with blue shrink wrap I see most are using. My goal is to upgrade the batteries and charger, then forget about them. I'm open to suggestions...
 
Be careful, many of the blue 200Ah CALB cells are used and by no means new, even if the sellers claim so e.g. at Aliexpress.
 

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