Car Emergency Start Power 12V Vehicle Rescue, Ordinary Clamp, 20000mAh Capacity, Portable Battery for Car Starting

Matters needing attention (buyers must see)

The product has just been received, you must first turn on the flashlight to discharge, and then charge the product for more than 4 hours, and then start the car, because the product is empty. This operation can prolong the service life of the product!
Do not discharge and charge at the same time
Powerful Jumping Performance: This 3000-Amp Peak Lithium Car Jump Starter Can Start A Vehicle(Up To 8.0L Gas/ 6.5L Diesel Engine) In Seconds, Up To 60 Times Jump-start On A Fully Charge, Suitable For Car, Truck, Motorcycle, Boat, RV Or Tractor And So On.Portable Power Supply: With USB 5V/2A Output, This Car Starter Battery Pack Can Be Used As A Power Bank To Charge Smartphone, IPad, And Other USB Devices.Please pay attention to this note:

1. Please charge after receive jump starter.
2. Charge every 3 months, low power may fail start.
3. Charge phone tablet only occasionally. efficiency is about 50%.
4. The charge speed or discharge speed will be fast during the last 15% power of the jump starter.
Please do not worry about these problems. This is the characteristic of high-rate lithium batteries, and it will not affect product quality and normal use.