RE: Chargers
The CellPro and TP charger differ most in the charge/balance methodology. TP puts in power through the main lead and then bleeds excess from the high cells via the balancer and heat. The CellPro charges like 10 (assuming a 10S pack) individual chargers and puts only what it needs into each cell via the balance lead primarily then turns that cell off. It gives a more accurate reading of what you just put in at the end of the charge cycle. The TP counts the energy it sent to the pack including what it bleeds off as heat through the balancer so the amount that actually stayed in the pack is unknown.