Versatile Battery Compatibility: Type C charger compatible with 3.7V/3.6V Li-ion/IMR/INR/ICR 18650/18700/20700/21700 batteries with USB output function, featuring USB A and Type-C dual port output
Fast Charging Capability: 5V 3A/9V 2A type C input charging speed, compatible with most phones' fast-charging adapters, charges 2 pieces of 2600mAh 18650 batteries within 1.5 hours
Dual Output Design: Features both USB-A and Type-C ports for simultaneous charging of multiple devices and batteries
Device Compatibility: Supports charging of various electronic devices including Bluetooth headphones and USB-powered accessories
Safety Features: Built-in protection against overcharging, over-discharging, and short circuit for secure battery charging