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Hi everyone, I’m a new contributor to forum, drawn in by my first battery build. Retired and in the process or upgrading a new RV for boondocking(primitive camping with privileges). I’m in the process to converting to sustainable living with respect to food production and energy use except...

First off, I've been lurking here on the forum since mid March, reading learning a lot from everyone that contributes . For this I'm very grateful and thank you! Now my concerns, I recently receive a set of 4 Grade A 3.2V 280Ah cells from Shenzhen Luyuan Technology Co., LTD via Alibaba. In an...