2S 3S 4S USB-C To 8.4V 12.6V 16.8V Step-Up Boost LiPo Polymer Li-Ion Charger Board
Lithium Battery Boost Module Type-C with battery overvoltage protection
High safety performance, and easy to install and operate, good adaptability to input supply with limited driving capability
Widely used, customers can choose what they need according to their different needs
Pack of 2, it means you will get the SAME two boards as per the type you chose, not mixed types