Box that accommodates 6 batteries, type 18650, with 20 LED lights. Features 1 | This box offers what most portable chargers, called power banks or portable chargers, offer you, but you can store more energy in it. The more batteries with higher storage capacity you install, the more times you can charge. 2 | Provides high illumination with 20 LEDs that light up an entire session and last between 10-30 hours depending on battery capacity. 3 | You install the batteries directly without soldering | 4 | The cover is secured with screws, not clips, meaning you can remove the screws whenever you want to charge or replace other batteries.... 💢 From experience, the best thing about this device is the lighting, and even the best lighting I have encountered. It relies on charging. I have tried charging lights, charging lanterns, solar power bulbs, and hand-held flashlights. Most of them work for 1-3 hours.... This light, however, worked with bright 20 LED illumination for more than, , , , , , , 22 hours, , , , with batteries with a capacity of 1200mAh. Installation and initial use... Install 6 batteries of type 18650, all with the same capacity.... Install the cover and secure the screws that come with it... Charge it with a Type-C mobile charger until it shows 100%. Power Inputs and Outputs 📱 Two USB outputs 🔁 Type-C input 📟 Digital indicator showing the remaining power status in real-time 🔛. Light switch Batteries I provide you with 6 free batteries for testing, checked on specialized devices, but their storage capacity is low, between 500mAh to 600mAh actual capacity. ◼ Or, if you wish, I can provide you with 6 good batteries, each with a capacity of 1200mAh actual capacity after more than one charge and discharge cycle on specialized devices, for a small fee. No problem.