... 5W9V, dimensions: 335×190×20mm, lifespan: 15 years Portable power supply box: 1 piece Inbuilt lithium battery: 4000mA/3.7V Input ... : 5-40V DC 1A Output: 5.5V450mm 2 Ways Charger dimensions: 125×70×15mm AC adapter: Input AC110-230V, output ... choices for power input and storage, such as: solar panels, car charger, AC adaptor and computer USB adaptor; 2 USB sockets, can ...