You might be confused because there are usb chargers for the batteries, but you can't use it while it charges. Then there are regular passthroughs that you can use while plugged to your comp. or an external battery pack
Carefull with your phone. I cooked my LG battery talking while it was charging.
I know what you mean about these batteries. I'm can't keep them charged. No consistancy to charging time or battery life....
will allow me to charge my e-cig battery while I'm using it?
I've been checking out directions for passthroughs and battery box mods. I'm trying to decide which to tackle first. I'm down to one battery here so I need to do something...8-o