BMS with/without active balancing
 

The cost of BMS with active balancing is much higher than the one without.
Customers often cast curiosity about the price difference of BMS. It is not just
material problem, also a problem of techniques. BMS with active balancing is much more complicated than the one without. Of course, different custmers have different requirements for BMS in different application. So it not necessary
for everyone use a BMS with active balancing. But considering cost effects in the long term, it is better to choose a BMS with active balancing as it will extend the life of lifepo4 battery.