The Cellpro watches the voltage of each cell. That's far better than the LiSaver, which can't watch each cell. It helps to keep all of the cells healthy.
SH Z-Car, Custom Crawler, 8s Savage, 12s XTM XLB 1/7 buggy, 4wd 4-link rear/IFS Pro4 truck, Custom Hyper 10 Short Course, Belt-Drive Mammoth ST 1/8 truggy, 4s 17.5 MM Pro HPI Blitz