Product Review

Specifically Designed for Outdoors Trips
Rubberized and rugged to withstand abuse in the wild.

Customer-Oriented Upgrade
In response to customer feedback, the upgraded version is quick-charge supported and has 4A dual inputs (Type-c and micro USB), plus built-in two carabiners to attach the unit to a backpack.
Built-in TWO carabiners make this battery easy to clip to your backpack and keep shake-free while outdoors.

Extremely Durable
It's made of eco-friendly silicone rubber, and the USB ports are further protected by rubber caps.
The shock-proofing feature ensures the unit will work, even if it's dropped.
The football-like grain design also has an anti-slip effect, ensuring you'll always have a firm grip.
Surge protection, short-circuit prevention, temperature control, and other advanced safety features keep you and your devices safe.

Fast Charging and Recharging
Utilizing dual input ports and a max input of 4A, a full charge takes just under 6 hours-twice as fast as a standard portable charger. Recharge for a night; charge for an entire week.
Quick charge supported, up to 4X faster than normal ones, offering ultra-fast charge speeds up to 18W, can charge compatible devices to 80% in just 35 minutes.
Two high-speed ports dish out the fastest possible charge at the same time.
A smart charging sequence optimizes the outputs to match what's plugged in to eliminate the damaging effects of overcharging.

20000mAh High Capacity
Over a week's worth of power that goes everywhere you do. Charge an iPhone 8 7 times or a Galaxy S8 4 times.
True 20000mAh Li-Polymer, unlike other models available in the market.

Specifications
Capacity: 20000 mAh(20Ah*3.7V=74Wh)
Battery Type: Li-polymer Rechargeable Battery
Micro USB Input: DC 5V/2A(max)
Type-C Input: DC 5V/3A(max)
Quick Charge Output: DC 5V/3A,9V/2A,12V/1.5A (max)
Smart Output: DC 5V/2.4A(max)