Use tips! (All charging treasures can refer to) The product has just been received. First turn on the flashlight to discharge, then charge the product for more than 4 hours, and then start the car, because the product contains virtual electricity This operation can prolong the service life of the product! Tips for daily maintenance:1: The battery has a shelf life. Whether you use it or not, it is recommended to charge and discharge the battery once every 2-3 months.2 When it is not used for a long time! Please keep 3 grids of power supply or more than 50% of power!(Tips: Remember to charge the battery once every 2-3 months when you are not using it. If the power supply is low or the storage of virtual power has an impact on the battery, proper maintenance will last longer~~ Before use, there is a small prompt[1] that the car cannot be started by continuous ignition/or the key cannot be turned, and the positive and negative poles of[2] can not be reversed after every 30 seconds of starting. The two clips cannot be short circuited.[3] Remove the clip within 30 seconds after successfully starting the car.Violation of the above three operations may cause the [fuse box] of the clip to burn out. Please pay attention to the operation method. Feature:Stable voltage, current, balance charge function.Class A+ cell, safe and explosion protective.Upgrade 4 cell and start strongly.400A Starting current.800A Peak current.26800mAh Large Capacity.Diesel 5.0L, gasoline 6.0L car can be used.Reverse connection protection.2 USB charging.Full power can be started 40 times.Limit temperature -20 ~ 60C.Intelligent Protection System. Input: 5V-2A Output: 5V-2.1A*2; 12V Jump Start Size: 170*85*38mmFeature:Stable voltage, current, balance charge function.Class A+ cell, safe and explosion protective.Upgrade 4 cell and start strongly.400A Starting current.800A Peak current.26800mAh Large Capacity.Diesel 5.0L, gasoline 6.0L car can be used.Reverse connection protection.2 USB charging.Full power can be started 40 times.Limit temperature -20 ~ 60C.Intelligent Protection System. Input: 5V-2A Output: 5V-2.1A*2; 12V Jump Start Size: 170*85*38mmNet Weight: 315gPackage Weight: 895gTool Box Size: 280*220*55mmNight emergency, Rescue lighting:1. Built-in glare lighting system.2.Long press the middle button for 3 seconds.Press again in burst mode.3. After turning on the flashlight,press the switch again to become a flash,the switch is the distress mode.Note:When using the product, you should first turn on the flashlight to discharge, and then charge the product for more than 4 hours before starting the car, because the product contains virtual electricity This can prolong the service life of the product!Net Weight: 315gPackage Weight: 895Tool Box Size: 280*220*55mmNight emergency, Rescue lighting:1. Built-in glare lighting system.2.Long press the middle button for 3 seconds.Press again in burst mode.3. After turning on the flashlight,press the switch again to become a flash,the switch is the distress mode.Note:When using the product, you should first turn on the flashlight to discharge, and then charge the product for more than 4 hours before starting the car, because the product contains virtual electricity This can prolong the service life of the product!