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lower numbers are more Acid (down to 0), and higher numbers are more Alkaline (up to 14)
The old one was just a "tube" with the connector on the bottom
Even Morgan Stanley found a large reduction in a market survey they did
Benefits of the UL 8319 certification Testing to UL 8139 helps manufacturers to: Enhance consumer safety Mitigate battery-related injury risks Minimize possible counterfeiting via unique UL Solutions holographic labeling Our testing of e-cigs and vaping devices to UL 8139 uses proven safety engineering principles and testing practices to evaluate the compatibility among interconnected components for total system safety
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