Name Portable Charger Starting Device Emergency Tool Multi-function Battery Portable 12v Car Jump Starter Capacity 20000mAh Dimensions (L.W.H) 20 28 7cm Built in battery high rate discharge lithium polymer batteries Output voltage 12V Bulb Type Ultra bright LED light /Strobe /SOS Peak amps 1200A Vehicle displacement Diesel: Fully support Gasoline: Fully support Operation temperature range -50 80 Lifespan 10 years Safety technology Multisafety protection 2.0