5V Regulator/Charger Module w Li-Ion Battery
... to charge the Li
via one of three connections:
- mini-USB connector allows you to charge the battery
via a PC's USB port or any other USB power source
-pin screw ... directly to the Li
charger, thus providing better efficiency.
A MAX1674 step-up regulator converts the Li
voltage to a regulated 5V DC output voltage that is accessible via a 2
-pin screw ...