Yes, normal behavior....
Couple of discussions from another forums....:
Hi guys, not sure if this has been covered before here cause I can't seem to find it. Just put a fresh battery in my Skar75, hooked up to the computer & the LED came on green...normal since it is a fresh battery with full charge. Was vaping while working on the computer & awhile later, noticed that the LED was still green. Opened device monitor in Escribe & the battery level was down to about 95%. Vaped until I got the battery level down to about 81% & the LED never switched to flashing red to indicate a
charging condition. Watched device monitor...could see that the USB was in fact
charging the battery. Is this something normal with the
75 board. Can't compare it to the 250 due to no LED.
hysteresis between the
charging chip and LED function. all of the
DNA 75 do this. you have to unplug, then plug back in the USB cable. it will then turn red (or whatever color you have set for "
charging"). normal operation for the board.
Why doesn't my VT
75 ever show 100 percent battery charged. I can only get it to 98. It never reachest 100
the simple
charging IC on the
dna 75 board considers 4.15v "good enough" sometimes when
charging. if you want it to charge to exactly 100% (4.18v) you can unplug then plug back in the usb cable. not necessary tho, it's close enough in voltage at 98% to be considered fully charged. you won't really notice the difference in vape time between 4.15 and 4.18v.
Why does my DNA75 led never change to green while charging?
As the battery reaches near full charge the charge rate decreases thus increasing the time it takes to fully charge... Be patient as it will eventually turn green.
Now, my note on battery safety: Never leave a charging battery unattended.... things can happen.... no overnight charging....