Custom Portable Emergency battery booster 12000mAh Jump Box Power w/Smart Clamp Jumper Starter

Upgraded Auto Car Jump Starter uses a high-speed polymer battery instead of a normal starter, which provides super capacity to easily start a 12V vehicle up to 20 times (up to 8.0L gas or 6.5L diesel engine). it also includes three ports (QC 18W Type C, USB 5V/9V/12V Quick Charge, USB 5V/2.4A) with waterproof and dustproof cover. The quick-charge 3.0 USB blue port charges your devices faster and is compatible with almost all USB charging devices, including cell phones, tablets, Kindles or digital cameras. And it only takes 3 to 5 hours to fully charge the battery of the car jump starter. (9V/2A 3 hours, 5V/2A 5 hours). 6.88" L x 3.22" W x 1.65" H