Bicycle Chain Generator Charger to USB - AerWo Dynamo Charger Emergency Power Supply for Bike Cycling, 1000mah (Riding Speed Decides Charge Time, No Need to Charge at Home)

Description

⚡ Power your ride, power your life — never run out of juice on the road!

The AerWo Bicycle Chain Dynamo Charger features a 1000mAh lithium polymer battery that converts your pedaling speed into clean, reliable USB power (5V/1000mA). Its brushless AC three-phase generator adjusts output from 250mAh to 900mAh based on cycling speed, ensuring efficient charging without the need for external power sources. Lightweight and compact, it includes built-in safety protections against overcurrent, overheating, and short circuits, making it an essential eco-friendly accessory for cyclists who demand on-the-go device charging.