Thanks for the link. I see the price has dropped $500 since I bought my first 300 Ah Lifeblue about 5 or 6 years ago. I hope they have room to drop it further; the competition is getting keen. When I got my first Lifeblue, they may have been the only seller with bluetooth. They still have a unique feature; the BMS will determine the present Ah capacity if you discharge the battery to a very low level (I'm not sure what that level is).
While I'm happy with my 300 Ah Lifeblue, the BT unit in my first one stopped working. The replacement was one of the first LB12300D units and it has a problem as well. The cycle counter appears to count only every tenth cycle. This was a recognized problem with this model. I think it was fixed quickly. If I ever get to Yuma with a few hours to spare, I'll have the BMS replaced.
I'm about to parallel the Lifeblue 300 Ah with two 200 Ah Calb-based DIY batteries to power a mini split A/C.
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