20000mAh Car Jump Starter Pack Booster Chargers Battery Power BankFeature:It is thin and light、and easy to carry.Drop resistance、anti-knock、wear-resisting、anti-corrosion、Lead-free !#!amp!*!amp;harmless、fireproofing.Human body engineering design、 corrugated type non-slip design.After fully charged one time、 can keep about 3 months.Full charging time:3~4 hours、 charge method:USB line by micro USB hole Specification:          Type           Portable Car Jump Starter Power                 Color       Yellow           Capacity       20000mAh           Actually Capacity       8000mAh           Use life       3-5Years           Output       12V\/2A、16V\/2A、19V\/3.5A           Input       5V\/2A           Starting current       200A           Peak current       400A           Operating temperature                -20~80 C           Size       14*8*1.5cm (L*W*H)           Weight       500g     How to use: Make sure there is at least 3 power indicator lighting on the power bank. Connect the red battery clamp of jump cable to the vehicle's positive battery pole and connect the black battery clamp of jump cable  to the vehicle's negative battery pole. Plug the cord of jumper cable into the jump start socket.  Start the vehicle When the vehicle starts、 remove jumper cable from jump starter and disconnected red and black clamps to the vehicle battery pole within 30 seconds. Leave the vehicle's engine running.  How to use our product's high quality led light torch function? Make sure there is at least one power indicator lighting on the power bank Long press the power button about 3 secs Then you can press power button to change mode  Package Included: 1 X Jump Starter Battery 1 X Four-in-one USB Charge Adapter 1 X Jump Starter Clamp