Great Step-up Module with 0.9-5V input, output 5V for many digital devices, so this is really a great module for designing a portable charger.
Useful for your USB charger projects and onboard USB device supply solutions. (ie GoPro cameras)
You can supply it with single cell LiPO or an AA size batter or others.
If you need higher current , please check our 2.5v-5v to 5v 1000ma StepUp Module
T wo AA batteries it can output current of 500 ~ 600MA, a single AA battery power supply can output 200ma current supply, great for mobile phones camera, single-chip, digital products supply.