usb charging

Hi. I just got the Procolor kit with the Baby Beast. A few hours of USB charging has both batteries 1/3 full. The first couple of hours looked like they charged about 25%, but after unplugging, they went down to zero very quickly. Attempts to vape produced a "Not enough voltage" message. I'm not...

I just bot a brand new kanger dripbox 160 today along with 2 li-ion 18650 batteries (ones pictured) I first didn’t realize or know (guy who sold it to me said no it comes with a USB charger you don’t need battery chargers.) until I read up on this, USB charging is bad. Of course after draining...