An external battery pack can provide some peace of mind, but what happens if the power's out long enough to drain it down? Or what if everyone requires more juice on the next camping trip than you plan for? What charges the chargers?
It's when thinking of those moments that a solar-powered external battery back sounds really compelling. So here's the deal. StackSocial is currently offering a ZeroLemon SolarJuice 20,000mAh external battery pack for $49.99, 50% of its usual price.