I was recommending these to some friends and saw Techcella apparently changed their name to Techex and started another sale. This seems super slick especially considering the free shipping. I bought one of these several months ago and so far I'm impressed with it. The BMS is fairly ubiquitous, the cells are well-balanced and exceed capacity ratings. It's smaller than other 300Ah batteries I've seen. The only improvement from here probably could be better compression with a metal case, but good luck finding that at this price. I also saw in a youtube video a flaw that can occur in the build process that hopefully has been addressed and improved by now (clearance issues).
Also, just because I know someone will ask--the warranty says 5 years from purchase for batteries >100Ah.
https://www.techcellapower.com/pr...motor-boat
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