Creoqode Power Supplier & Charger Module
This Power Supplier & Charger Module comes with a pre-soldered battery holder for 18650 Li-ion batteries (Battery is not included).
Micro USB port on the module is the charging port, and the dual USB port is the output port. Lower USB port supplies 5V 1A max current, whereas the upper USB port supplies 5V 2A max current. Battery holder can be desoldered, and the module can be used with any Li-ion battery supplying ~3.7V.