Zendure ($39+)
Zendure is a virtually indestructible high capacity charger for mobile devices. It comes in three sizes: A3, A4, and A5. The A3 model can charge an iPhone 5 four times over, the A4 model can charge it 6 times over, and the A5 can charge it 8 times over.
I don’t know about you, but 4-8 phone recharges on one battery cycle is insane. That means you only need to charge a Zendure A5 once a week, and it can charge your phone for 7-8 days straight without the Zendure itself needing to be recharged.
The best thing about the Zendure is its quality and price. Most mobile recharge packs on the market are 70% efficient. Zendure is 80% efficient. That means even though it comes in smaller capacities than other batteries, it still out performs them every single time.
The Zendure is built so strong that is can survive thousands of drops and even being run over by a car. Not to mention that it can charge two devices at the same time, as well as charge your device while you’re charging the battery.