Blinky will balance while charging or function as a standalone balancer. Answer to your ques - yes, plug batt main power leads into charger, plug Blinky into balance tap. Yes, you would charge a 6000mah lipo at 6.0amps - thats a 1C charge rate.
Blinky doesn't see amps, it just works on volts. And will work on up to 6S lipo (22.2v nominal). Can find what serves as a manual here - look for the
"For more information, see the product's PDF file." Near the bottom, the pdf file part id the link.
http://www.astroflight.com/index.php...products_id=21