charge and play

Looking to build a PS3 laptop and I want to use twelve 18650 cells to get 12v out at at least 8a. Anyone know of any good charge management boards other than the one on the wiki? Basically I want one port charge and play but for a 4s battery. By CMB I mean being able to plug in a power supply...

My goal is to achieve automatic & continuous charge and play when an external PSU is connected. I’ve been digging up peoples’ solutions, and there are some sophisticated ones (i.e. USB-C PD)! I’d like to implement a simpler solution using dedicated Power Path ICs. Since what I want is...