Green Lion RECHARGEABLE 8*AA Battery Dock USB-C. The GRB-11 is a USB-C powered rechargeable battery system designed for efficient and safe charging. It operates with an input of 5.0V/2A and delivers a DC 5.0V output, supporting AA batteries with a charging current of 350mA across up to 8 slots simultaneously. Each battery provides an output voltage of 1.5V and has a capacity of 1970mAh, with an approximate charging time of 3.5 hours and a lifespan of up to 1200 cycles. Built using Li-ion rechargeable materials, the device ensures consistent performance and reliability.

In addition to its technical specifications, the GRB-11 includes several smart and user-friendly features. It offers smart battery detection and independent slot charging, allowing each battery to be monitored and charged individually for optimal efficiency. Safety is enhanced through trickle charge protection and built-in safeguards, while LED charging indicators provide clear status updates. The design is completed with a secure magnetic closure, making it both practical and convenient for everyday use.