1. Function: digital display with , detachable, welding-free, with anti-reverse connection protection, can charge 5 18650 flat-head batteries, when the -in battery can be used as a bank, the normal version requires a charging cable, wireless fast charging The version does not require a charging cable and can be charged quickly.2. Hand-made DIY mobile kit, -configured mobile , larger battery capacity and more durable, can better solve your charging problem.3. Suitable for people with greater charging needs, equipped with 3 charging interface types, for , for ,for Type-C can charge the charging box.4. With display, let you know the remaining anytime and anywhere, and better charge your mobile phone or other devices.5. Comes with a lanyard, which is more convenient to carry, allowing you to take it wherever you go.: CX5 series with lightBattery: 18650 type flat head battery * 5 (free welding)Size: Thickness 23mm Width 80mm Length 135mm(internal dimensions remove a : thickness 18mm width 72mm length 92mm)Parameter :CX5 - with light: output/input maximum : 5V-3A 9V-2A 12V-1.5APrecautions:1. The battery cannot be used if outer skin is damaged.2. Pointed batteries cannot be used, only flat batteries can be used.3. The positive and negative poles need to be placed and used correctly.4. Do not or store in a high temperature environment.Colour:blackMaterial: ABSPackage Contents:1x 18650 Bank Case(Batteries not included)Only the above package content, other products are not included.Note: Light reflection and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.