I have 4 LiFePo4 12V 100Ah batteries in parallel. I am currently using a Noco G26000 charger to keep the bank fully charged. It claims to offer 26A in the 12V Lithium setting. The Smart Shunt shows a maximum of 13A and maximum voltage recorded is 13.52. During the day I have solar charging but it is insufficient to achieve a full charge. It appears the Noco has a difficult time charging and keeping up. I am considering adding a second 12V 400Ah to give 12V 800Ah for emergency backup storage.
What amp charger should I look for? Additionally, I need one that generates low RFI.
Thanks!