X6 Accelerator is an optional module of Maxpro X6.The Maxpro-X6 Accelerator-3S can charge & balance 1, 2, 3, 4 or even 5 packs at the same time. Regardless of capacity!!
Provided your packs are 3S, you can just plug them in and the Accelerator-3S will do the rest. Its like having 5 chargers running at once! 5 packs of 3 cells Lipo batteries(2000mAh - 2200mAh) will be finished charging in 2 hours with high efficiency.