So you are planning to go on a long outdoor adventure? Keeping your smartphone charged off-grid doesn’t have to be a hassle. Not when you can use the MAXOAK Hand Crank Solar Charger to get it done. It has a 7800mAh power bank to charge your devices on-the-go. When you don’t have any sunlight, you can simply work the hand crank to generate emergency power for your devices.
This power bank can recharge an iPhone, iPad, and other comparable devices. It has over-voltage, over-current, and other safety protections built-in.[where to get it]