1.Very High Capcity: 20000 mAh high-capacity high-power rechargeable battery, support fast charging, low self-discharge.
Advanced Safety: Short circuit, protection against reverse polarity, ver-charge, and over-heat protection,very safe.
Multifunction:You can use it to provide power for your car refrigerator or other 12V electronics like car cleaner.With 5V/1A output for fast charging.8pin/30pin/Micro USB/Mini USB to Your Iphones ,cell phones ,laptop,ect.
Built in SOS LED Lamp?LED light with 3 lighting modes (High light, Fast Strobe, SOS) for illumination
Notes: For the first use, please fully discharge the battery and then charge it for 12 hours so as to activate the battery.