Power banks emerge as lifesavers in situations when our phones run out of battery, but the same lifeguards can disappoint you if they themselves are running low on battery. To avoid such sticky situations, it's better to have a power bank with a monstrous backup that can prove handy in need. With price being a major determining factor, we have tested many pocket-friendly power banks with different battery capacities. We round up different Power Banks for almost 350 hours. But ZAAP Defender 9100mAh Universal Power Bank is our First Choice. ZAAP Defender Outdoor battery is suitable for charging smartphones, tablets and other smart devices. It is waterproof, dustproof, shockproof and has a capacity of 9100mAh and a convenient carabiner, endowing the mobile battery ideal for outdoor athletes' activities. The defender has a built in flashlight, a compass and also comes with a carrying strap and two Micro USB cables. ZAAP (zaaptech.com) is global company with distribution in North America, Asia (China,India) & Europe. ZAAP Defender Powerbank- Make it easy to keep running all the time.
The 2.1 A Input saves you 50% of loading time of burlap power bank and 2 A of output can be as good as any unit load at full speed.
5. Extremely Compatible: