The Balance Pro takes our popular Ultra Balancer to a whole new level. It not only balances lipo packs up 22.2V (6S), it also features a digital readout of the your pack's individual cell voltages. The Balance Pro works as a stand-alone balancer/tester before charging or simultaneously with your charger, doing it's balancing function at the same time that your pack is being charged. 2.5mm spacing on pin connection allows over 90% of the packs in the market to be used without any adapter required. We also offer an adapter to facilitate the balancing of Thunder Power packs.