Paraboard - Parallel Charging Board for Lipos with EC5 Connectors Don't spend all day charging your batteries one at a time! This Paraboard lets you charge and balance up to six lipo batteries at once! Features EC5 plugs for your batteries' main leads and JST-XH balance plugs ranging from 2S to 6S. Plugs right into most popular models of 6S lipo balancing chargers that have 7-pin balance ports with 2.5mm pin spacing Great for guys with larger rc helicopters or scale airplanes