Features: Up to 5.0A battery charging current, self adaptive charging current adjustment. Support fast charging on any USB port; when use 2 or above output ports, only support 5V. High efficient - synchronous switch discharging 5V 2A, up to 95% efficiency. Support&compatibility - compatible with fast charging for BC1.2, and Sumsang cellphones. Supported protocols - PD2.0 two-way input/output protocol, PD3.0 input/output, PPS output protocol, 5V, 9V, 12V voltage gear input / output, PPS support 5~11V. Specifications: Product Name: 6 section 18650 Type-C two-way fast charger power bank case Color: black Material: ABS LED flashlight: support Output current capacity: 5V/3.1A; 9V/2.0A;12V/1.5A Battery type: Liquid lithium ion battery (18650) Battery capacity: can support 20000 mAh 6 section 18650 battery. Supported fast charging protocols: Integrated QC2.0/QC3.0 output fast charge protocol, FCP (For Huawei High Voltage Fast Charge Protocol) Input/Output Fast Charge Protocol, AFC (For Samsung Fast Charge Protocol) Input/Output Fast Charge Protocol, SFCP (Exhibition Fast Charge Protocol) Input/Output Fast Charge Protocol, MTK PE+ 1.1&2.0 (MediaTek Fast Charge Protocol) Output Fast Charge Protocol, USB C DRP protocol, support input/output fast charge, USB Power Delivery (PD2.0/PD3.0) protocol.Weight: Approx 87g/3.1oz Size: Approx 14.5 * 7.5 * 2.5cm/5.7 * 3 * 1inch (L * W * H) Package list: 1 * Power Bank Case (WITHOUT BATTERY) Note: This is just non-welding power bank case (board + shell), NOT finished power bank!