Hi Chris, the balance lead is not supplied with the charger, it usually comes with (or is supplied by) the same company who provide your LIPO's.
If it is stick packs you use then we do a balance lead from Vampire that will work, the part number is VR1006, price is £7.09 and they are available through any of our dealers listed on our website -
www.xfactoryrc.co.uk