Yescom 20000mAh Multi-Function Vehicle Car Jump Starter w/Air Compressor Portable Power Bank Battery Emergency Charger High capacity 20000mAh, multifunctional emergency jump starter, excellent for vehicle emergency started Built-in LED emergency light with 3 modes: strong light, strobe light and as signal light for lighting or SOS Supply power for laptops, mobile phones, cameras, DV, gaming consoles or other devices at speeds of up to 2.1 amps via the USB port or via the 12V/16V/19V DC output port Recharge digital products, act as a portable power bank CE/FCC/MSDS/UN38.3/ROHS Certificated