Reddit reviews White Kaiman 3400mAh Portable Power Bank w/Built-in LED Flashlight Backup Battery Pack External Powerbank Charger for Cell Phone Computer Mobile Device(Micro USB Not Included) (3400mAh 1pk)

3400 mAh CAPACITY - 5V Micro USB input / 5V USB output; ready to charge any USB device whenever you need it most. This mobile battery pack power bank is fully charged in just a few hours and comes with a built-in charging indicator light. Provide hours of additional life to your mobile devicesPORTABLE & COMPACT - Sleek and small enough to slip in any pocket, purse, or backpack. Measures 4.25” x 1” and weighs only 4 ounces! This powerful lithium charger is easy to take with you wherever you go. Great for traveling, camping, hiking, backpacking, long trips, and more!MOBILE CHARGING BANK - Never be stuck without power for your mobile devices again! Can be used as a backup charger for cell phones, tablets, smartphones, or any mobile device while traveling outdoors, hiking, camping, or at the beach or pool. Always be prepared for emergency situations in case of a power outage, or if there is no outlet available nearby to charge your dead device.BUILT-IN FLASHLIGHT - Ultra bright LED flashlight built into the device and can be turned on and off with the quick and simple double click function button. Up to 40 hours of bright light to completely illuminate your surroundings in any situation. Don’t be left in the dark, enjoy peace of mind.SUPERIOR QUALITY - Product made with durable and long-lasting aluminum alloy powerbank. A necessary addition to any disaster preparedness kit or makes a great gift for family and friends!