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I am in the process of buying Calb CA180 from China. They were produced in August 2020. Is that an issue or is it rather meaningless?

I am planning to put together 4 Calb CA100 cells in a watertight box with BMS for powering a Minn Kota 55lb thrust outboard. The only charging will be from a DC-DC Victron and I will probably add solar to the system. Max current out will be 50 amps and charging not over 30 amps. Common port is...

I am building a system for my sailboat. It will see offshore use. I received my SBMS0 today from Dacian and am now looking for cells. I want a bank of approximately 300 AH. 12 volts. Either 4S or 2P4S. Prefer a Canadian or US supplier. Who is reliable and what cells are anyone favoring? I am...

I am building a 12 volt bank using 8 Calb CA180 cells. The space I will be using only allows for the 2 cell arrangements shown. Which do all think is best?

I have just received a quote from them, very good prices for grade A cells. Wondering about other's experiences.