No reason for any flack.
It doesn't surprise me that these are re-branded. As I understand it, and anyone can correct me if I'm wrong, but there are only 2 or 3 actual battery mfgr's. Panasonic, Sanyo, and maybe 1 more. AW, TF, UF, Efest, ect., are all re-brands. The difference is, the re-branders, if they have enough clout, buy their batts from these mfgr's, and they buy the batts that meet their particular specifications. AW has always had good batts because AW pays more for the better batts. Efest is apparently doing the same thing, buying the better batts. Batts that don't spec out as high, are bought cheaper by, well, you know... So this is my take on it anyway.
It doesn't surprise me that these are re-branded. As I understand it, and anyone can correct me if I'm wrong, but there are only 2 or 3 actual battery mfgr's. Panasonic, Sanyo, and maybe 1 more. AW, TF, UF, Efest, ect., are all re-brands. The difference is, the re-branders, if they have enough clout, buy their batts from these mfgr's, and they buy the batts that meet their particular specifications. AW has always had good batts because AW pays more for the better batts. Efest is apparently doing the same thing, buying the better batts. Batts that don't spec out as high, are bought cheaper by, well, you know... So this is my take on it anyway.
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