LevinDirect via Amazon offers the Levin Solstar Solar Panel Portable Charger in Yellow, Green, and Blue for $27.99. Coupon code "QYCTFXCR" drops it to $23.99. Plus, Prime members bag free shipping. (Non-members can spend $35 or more to qualify for free shipping; otherwise it costs $5.37.) That's the lowest total price we could find by $10. It features rain and shock resistance, LED flashlight, and micro USB cable.