Powerful and compact: With a peak current of 600 amps, you can quickly start a 12V car, truck or van up to 30 times on a full charge (recharging takes 4.5 hours). It is a compact power bank (with a capacity of 12,000mAh), which can charge the phone through 4 USB ports (one of which is 5v / 9v fast charging), and can use 12V 10A DC port to power other auto accessories. Long standby time: Unlike other car starters, you can manually turn "OFF" to slow down the battery's self-discharge-allowing it to maintain power for up to 12 months when not in use. (Remember to set it to "On" before charging, otherwise you will not be able to charge.) Additional features: super bright LED for emergency flashlight. a red light can be used as a traffic hazard warning signal. This is a multifunctional life saver with flash, SOS signal. Package Includes: Jumper starter smart jumper cable wall charger car charger USB cable cigarette lighter socket adapter