3.7v 8.4V 12.6V 1.5A Boost Converter Module BMS 15W Step Up Converter Board Lithium Battery

Label:Yes Power: maximum 15W Name:Lithium Battery Charging Boost Module Packing:1 pc Charging module(2s/3s) Power current: automatic boost Color: Black Material:Polymer Size:3.1*1.7cm(1.22*0.67in) Purpose: Lithium battery charging

Note: Normal use does not require too many modules to be set, just select 2 or 3 strings for charging as required, unless you are special and familiar with the application.