how to jumpstart a car battery

{"cid":"91219777","title":"A13 Portable Car Battery Jump Starters Kit 12v Multifunction","imgUrl":"https:\/\/img.chinax.com\/nimg\/d0\/a7\/f66f813a97d5cea6b52e87d473ce-200x200-1.jpg","attrs":{"Price":"To be negotiated","Brand Name":"XUWEN","Model Number":"A13 Portable Multifunction Car Battery Jump Starters","Minimum Order Quantity":"50PCS","Delivery Time":"To be negotiated","Certification":"CE ROHS,FCC,MSDS,UN38.3","Place of Origin":"China","Payment Terms":"T\/T, Western Union, MoneyGram","Supply Ability":"100000pcs\/month","Packaging Details":"International standard packaging","Capacity":"16000mAh","Input":"15V\/2A","LED Light":"Yes","Name":"A13 Portable Multifunction Car Battery Jump Starters","Output":"5V\/2.4A, 12V\/10A","Peak Current":"600Amps-900Amps","Start Current":"300Amps-450Amps","Type":"Power Pack","USB Port":"2","Function":"jump starter for car"}}

{"cid":"91198927","title":"16V 19V 500A Car Battery Jump Starter ABS Aluminum Alloy","imgUrl":"https:\/\/img.chinax.com\/nimg\/4f\/26\/231168db77d7bea738d60080c05d-200x200-1.jpg","attrs":{"Price":"NEGOTIABLE","Brand Name":"LA-SURE","Model Number":"12V","Minimum Order Quantity":"100 PCS","Delivery Time":"3 TO 8 DAYS","Certification":"CE","Place of Origin":"CHINA","Payment Terms":"T\/T, L\/C, D\/A, D\/P, Western Union, MoneyGram","Supply Ability":"100000 PCS PER MONTH","Packaging Details":"CARTON BOX","Type":"Jump Start,Emergency Tool Kit,Booster Cable","Color":"Black,Red+black,blue,gray,Red or OEM","Input":"15V\/1A,12-15V","Starting current":"200A-400A","Material":"ABS,aluminum alloy","Operating temperature":"-20\u2103-60\u2103","Battery type":"Lithium cobalt,Lithium Battery,high quality lipo battery","Start current":"400A,12V\/600A; 24V\/600A","Battery capacity":"6000mah \/44.4WH","Usb output":"5V---2A","Voltage":"12V \/ 16V \/ 19V,DC 12V car power bank,12V"}}

{"cid":"91201938","title":"12000mah A38 Multifunction Jump Starter 12v Portable Car Battery Charger","imgUrl":"https:\/\/img.chinax.com\/nimg\/fd\/63\/07834766a56718262d6d8bbc616b-200x200-1.jpg","attrs":{"Brand Name":"XUWEN","Model Number":"A38 Multifunction Jump Starter","Minimum Order Quantity":"1pc","Delivery Time":"Within 7 working days","Certification":"CE ROHS,FCC,MSDS,UN38.3","Place of Origin":"China","Payment Terms":"T\/T, Western Union","Supply Ability":"10000pcs\/month","Packaging Details":"Gift box","Battery Capacity":"12000mAh","Battery Type":"Lithium ion Polymer(3.7v)","Input":"Type- C 9V\/2A","Output":"11.1V-14.8V for Jump Start USB1: 5V\/2.1A USB2: 5V\/2.1A or 9V\/2A DC Output: 12V-16V\/8A","Function:":"Multifunction Jump Starter"}}