$70 off on Amazon
[Powerful and Reliable] – With 4000A Peak current , it can start all gasoline engines and 10.0L diesel vehicles in just a few minutes, including cars, Motorcycles, RV, tractor, light-duty trucks, mower, cargo vans, ATVs, snowmobiles, oil boat, yachting
[Backup Portable Charger] - GOOLOO Car Starter GP4000 is equipped with dual USB charge ports(one is quick charge). It can be used to charge your cell phones, tablet, cameras, bluetooth headsets, GPS , drones and more within shorter time
[Super Security & Ruggedness] The GP4000 Smart Jumper Cable are constructed with all-metal clamps to prevent breakage caused by long-term use. And it has 8 protections, including overcurrent protection, overload protection, overvoltage protection and overcharge protection, making it totally safe for anyone to use
[Type C Input and Output]: Supports USB type-C charging (5V/3A); you can use it to charge your other devices or charge the jump starter itself
[What You Get]: GOOLOO Heavy-Duty Jump Starter GP4000, 12V Battery Clamp, Type C Wall Charger, USB-C Cable, Type-C to Type-C Cable, Storage Case, User Manual. Our 12 + 6 month extended warranty & 30 days money back and 24/7 friendly customer service
My 1500A Gooloo worked once then just clicked. Out of warranty now too.