Lipo battery and charger fit?

The battery and charger will work but you need traxxas plugs on the batteries to fit your ESC plug. So you might have to solder some ends on the batteries or buy the extension plugs/bullet connectors. You can make any lipo battery work on any RC, you just have to have the right plug. And it's as simple as cutting the end and soldering the right plug or getting the adaptor plug. Turnigy are great batteries. I've used one on my slash for a couple years and never had a problem. Same one you are looking at. I'm happy with it. Contact the seller and see if he has those batteries with Traxxas plugs. He might have some listed already and it would save you from having to alter the plug ends.