Total cost $300 after I bought batteries and charger separately. I like it, it works well. Much energy. Instructions are nonsense. Figuring out how to load the pens took a bit, but at least there was a picture. Once you've loaded it up and connected the battery, it's time to shoot. The instructions don't say you have to hold the trigger for a while before it fires. I thought it broke because I expected the pin to fire instantly, but it didn't. The gun needs to warm up a bit before it fires, so…