I'm considering LifeBlue and would love to know how well they are built. Have you or anyone else ever done a teardown? As far as I can tell, LifeBlue is the only US available drop in where the company makes the cells as well as the battery (LifeBlue is owned by Topband in China who is a medium size battery producer that's been around since 2006 http://www.topbandbattery.com). Since they design their own prismatic cells they aren't buying the pouch or cylinder cells that most companies buy. So the batteries might look really good inside - or not...
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