In today’s iLounge Deal we’re offering the ZeroLemon SolarJuice 20000mAh Battery for only $49.99 – that’s 50% off the normal price. Combining a 20,000 mAh battery pack with a 1.2W monocrystalline solar panel, the SolarJuice lets you power up your iPhone, iPad, iPod, or other USB device repeatedly and can be plugged in to charge up at home, or simply recharge from the power of the sun. Dual outputs allow for simultaneous charging…