Features: * 4 levels of brightness adjustment, lighting brightness can be adjusted manually, high-brightness lighting, soft eye protection for reading, SOS flashing light for help. * High-capacity, high-rate rechargeable lithium-ion battery * High-definition LED display: the battery column displays the remaining power and ac symbol display, the usb symbol displays the dc symbol display, and the Type-C symbol display is simple and clear. * Equipped with 2 type A USB ports, 1 type C USB port, 1 socket and 1 DC socket, you can charge your mobile phone, tablet or laptop for normal or fast charging as needed. * A wide range of applications, portable power supplies, indoor emergency lighting, mountains, pastures, field investigations, field investigations essential products. Specification: Name: Portable emergency power supply Material: ABS Power display: LED Battery capacity: 30000mAh Charging current: 1A Charging voltage: 11V-22V Charging time: 19V/1.5A 6 hours DC input: 11V-22V/1A Solar input: 11V-22V/1A USB output: USB1 + USB2 (Max: 4.2A) separate load 5V/9V/2.1A (Max: 3.1A) Type-C output: Type-C 5V/9V/12V/15V/20V (Max 30W) DC output: 12V-16.6V/10A 13A (Max) Size: 110 * 119 * 195mm Packing included: 1 * Portable emergency power supply