lipos

I have been trying to find a solution to charging my lipos at the field in a quick amount of time. i have used an old 12v lead acid battery but it took almost 3 hours to charge a 4s 3000mah battery. I need something that is fast and will charge many batteries. I was looking at a few options...

I have thought about doing this thread for a couple of days now. As I am still relatively new to this hobby, I am still learning. I want to talk about one of the more dangerous pieces of your RC tools, the lithium polymer battery. There are many treads talking about how to pick the right...