Features: 1. Made of high quality ABS material, durable and long lasting. 2. DIY installation, enjoy the fun of DIY. 3. Support all mobile phone charging models. 4. Easy to install and use, very practical, high reliability. 5. Any USB port can support fast charging, when using two or more sockets at the same time, only 5V. Specifications: Condition: 100% Brand New Item Type: DIY Power Bank Shell Material: ABS Color: As Pictures Shown Weight: Approx. 123g / 4.3oz Battery model: 18650 (excluding) Can install batteries: 8pcs PD function parameters: this type is a soldering-free mobile power kit (circuit board + shell) unfinished product of power bank Any USB port can support fast charging, when using two or more sockets at the same time, only 5V. Built-in QC2.0/QC3.0 output fast charging protocol Built-in for FCP input/output fast charging protocol Built-in AFC input/output fast charging protocol Built-in SFCP input/output fast charging protocol Built-in SFCP input/output fast charging protocol built-in MTK PE+ 1.1 2.0 output fast charging Built-in USB C DRP protocol, support input and output fast charging Compatible with BC1.2, fast charging for IOS and for Samsung phones USB Power Delivery protocol ( Built-in PD2.0/PD3.0) Supports PD2.0 bidirectional input/output protocol Supports PD3.0 input/output, PPS output protocol Supports input/output of the voltage range 5V, 9V, 12V Support PPS 5~11V Battery charging current can reach 5.0A Adaptive regulation of charging current Discharge specifications: synchronous switch discharge 5V 2A efficiency up to 95%, support line compensation Output current capacity: 5V/3.1A, 9V/2.0A, 12V/1.5A Package list: 1 x External Battery Box Kit 1 x Baffle 1 x Installation Tool Bag