Product model: p420 Capacity: 109200mah(404wh) Size: 283*200*56(mm) Weight (net): about 3.8kg Cell type: icr18650 lithium battery Input: 13-19v/3a Output: nb:15-20v/3a usb: 5v/2a ec5: 12v/30a car: 12v/10a Charge and discharge: yes Circuit protection: ov, oc, uv, ot Full charging time: about 15 hours Cycle times: more than 500 times Allowable maximum continuous discharge current: 30a Charging temperature range: 0 ?~45? Discharge temperature range: -10? ~60? Storage temperature range: 0? ~45?, within 30 days Lon-term storage temperature range: 0?~40?, 180 days Storage humidity: 45 ~85%rh Application: start up car, yacht, motor; charge aircraft model, laptop, notebook, mobile and other digital products. Also fit for car refrigerator, hot cup, all kinds of light, photographic equipment, ventilator, massage device, medical equipment, and appliance with external inverter using less than 300w. Specification: 1, super capacity: 109200mah(404wh) 2, conversion efficiency up to 95%. 3, lcd display, accurate, inteligent, efficiency 4, series of safety protection: output short circuit or overcurrent, charge overcurrent, overvoltage protection, undervoltage protection, overtemperature protection 5, multi-function: charge neally all kind of electronic products less than 300w. 6, top waterproof: ip3 and ip8 7, outdoor and home standby power bank, solar charge power bank, car charging.