Function: digital display with power, detachable, welding-free, with anti-reverse connection protection, can charge 21 18650 flat-head batteries, when the built-in battery can be used as a power bank, the normal version requires a charging cable, wireless fast charging The version does not require a charging cable and can be charged quickly. Hand-made DIY mobile power kit, self-configured mobile power, larger battery capacity and more durable, can better solve your charging problem. Suitable for people with greater charging needs, equipped with 3 charging interface types, for Micro, for Apple,for Type-C can charge the charging box. With power display, let you know the remaining power anytime and anywhere, and better charge your mobile phone or other devices. Comes with a lanyard, which is more convenient to carry, allowing you to take it wherever you go.Quick Charge + Wireless Charge Version Maximum Power: 5V-3A 9V-2A 12V-1.5A 3.4V-5.5V-5A, Wireless Charging :15w Colour:A:black Material:plastic Size:170 x 84 x 62mm Package Contents: 1 x 18650 Power Bank Case(not including the battery) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Product Notes: Please allow a little manual errors.Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please confirm acceptance before ordering. About Shipping: Please ensure your shipping informations are correct to avoid delivery issues. All orders are shipped within 3 days after payment. Delivery usually takes 8–12 days, The specific delivery time is depend on circumstances. If you have any questions during your purchase, feel free to contact us. We will respond you within 24 hours.