Product name
Portable Rechargeble 2*Aa battery emergency usb charger
Certification
CE/FCC/RoHS/MSDS/UN38.3
Cycle life
more than 600 times
Protection Function
Overcharge/Overdischarge/Over Temperature/Short Circuit
Widely Compatible
It fits for mostly 5V devices, including all kinds smart phones.
Type
USB Universal Portable Power Bank