This Balance Connection Board for Thunder Power or Flight Power for 2S to 6S lithium batteries. This will work on any Balance Charger that has a 7 pin balance port on the charger. Not for Thunderpower, Bantam, FMA, or Hyperion chargers. These will work on the following chargers: Turnigy Accucel Skycharger Patriot Thunder AC6 Dynam Hot Power GT Power IMAX SkyRC Hobby King Vista Power