Power up on the go with the PowerFlask ~8000 mAh Power Bank, a handy external battery pack designed to keep your mobile devices charged wherever you are. Its high-capacity mAh rating ensures that it can recharge multiple times, providing ample power for all your devices. The sleek design of this power bank makes it a perfect companion for travel, work, or emergencies. Compatible with a wide range of smartphones and tablets, the PowerFlask is a practical accessory for anyone in need of extra juice on the move. Sometimes the charger gets messed up and will not discharge. It then needs to lose all its battery before the light goes out and then it can be recharged. It has two ports two charge devices, one at 1 amp and the other at 2.5 amps. If you double press the side button twice, the light goes on. You can switch to SOS mode by pressing the holding down the button when the light is on. To turn on the battery, hold down the side button. Cannot ship to Hawaii or other islands.