Amazon is offering JONKUU 10000mAh Quick Charge 2.4 A Power Bank External Battery Packs Dual Ports for just $17 when an on-page coupon is clipped from the product page.
Can be charged 2.5 times to a Galaxy S8, an iPhone 7 3 times (depending on your mobile device capacity). Suitable for business or other activities outside.
If it does not show up, press the power button once to activate it. The LCD power display can accurately monitor the remaining power.
The JONKUU power bank has dual USB ports, combined with 5 V / 2.4 A output, that provide your phone and other equipment with sufficient power quickly.
Reliable A+ lithium-ion battery, a built-in multi-protection system that protects the power bank from over current and short circuit. 10000mAh portable charger external battery power bank. When short circuits or overloads occur, it will automatically turn off.