DIY Portable USB Bicycle Chain Dynamo Universal Power Bank Charger

Housing :

Product size:100*60*42mm

Holder: 130*99*42mm

Materials: ABS

Power Source: Bicycle Chain Dynamo

Battery:

Input:5V 1A(max)

Output: 5V 1A(max)

Lithium polymer battery

Efficiency: 75%~80%

3.7V 1000mAh

Unique Feature :
USB output

DIY Portable Style

Powerful universal charger

Eco-friendly power source

Note: The Li-ion protective plate in this product has the functions of automatic shut-off and prevention of over current, so to avoid the unnecessary broken; please remember to shut off the power when you finish charging.