Phoenix thanks for the info and yea the batteries are charged in 2 different manners one was a wall charge and the other is a usb and i did get both batteries to charge by blowing into them before i put them on charge. Yes i did check to make sure they like up and have now tried 4 different carts and all are the same. We did notice the carts take a little bit to warm up especially new carts but have nice vapor production. I do notice it does not matter how long we inhale for the light stays on after we stop and then blinks once after that you have to blow into it to get another hit. also i have noticed if a extremely light hit/ barley inhaling to the point of almost getting nothing out of it the light just dims off and we can take another hit. I have email steve at the v4l sites contact us email so just waiting for a response there but as i have said i know he will keep us smiling 
I just went back through the post and see lightgeoducks post and tried that and both batteries are the same if you take the cart off and suck on the batt it lights up like it go out and try again and nothing, give a light blow into the batteries and then suck and it lights every time.
Brent
I just went back through the post and see lightgeoducks post and tried that and both batteries are the same if you take the cart off and suck on the batt it lights up like it go out and try again and nothing, give a light blow into the batteries and then suck and it lights every time.
Brent
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