Features: The 18650 Battery Charger Box is a must have for DIY enthusiasts! Its portable and customizable design allows you to create your power bank using five 18650 batteries (not included). Perfect for personalized charging solution. Made from durable ABS material, the Mobile Power Supply ensures reliability. Choose between black or white color choices to suit your style. Experience normal output or change to fast charging modes for quicker charging. Designed for gadget lovers and DIY enthusiasts, the 18650 Battery Charger Box appeals to those who value convenience. Create your power bank and never worry about running out of battery. Whether you're traveling, camping, or on the move, the 18650 Battery Charger Box is perfect for keeping your devices charged. Charge your phone, tablet, or any USB powered device with ease. Stay connected wherever you are. Get creative with the 18650 Battery Charger Box! Customize your power bank by choosing your favorite 18650 batteries and expresses your unique style. A versatile charging solution for all your devices. Specifications: Material: Plastic Input: DC19-20V, 4.74A 5.5x2.5mm Output: USB 5V2A, Double 5.5x2.1mm Output 19V5A Size: Approx. 12.5x9.3x2.7cm/4.92x3.66x1.06in Package Includes: 1x Battery Power Box 1x Power Cable note: Batteries NOT Included. Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.