Product Description

This product is equipped with an 18650 battery, which does not require welding and has a relatively low power of 5V1A, but can meet daily needs. You can use it after installation. The output port only has a USB port, and the Android port can only input but not output. The product has almost no profit margin. Please contact us promptly if you have any questions upon receipt. The spring end is the negative pole, and the other end is the positive pole. Do not reverse connect the battery.