A blinking battery bar indicates a weak battery. The earlier firmware would flash "Weak Battery" on the screen, the later firmware flashes the battery bar. What preheat, battery ,cell soft cutoff, ect are you using?What does a blinking battery bar after taking a vape indicate? It says 49% remaining and this is the first time I have seen the bar blink. I normally swap out and recharge in the 30 - 40% range.
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