X-Dragon Direct via Amazon offers its X-Dragon 10,000mAh Dual-USB Portable Solar Battery Pack in Green or Orange for $26.99. Coupon code "QWRGP6FS" drops it to $18.89. With free shipping, that's tied with our December mention and the lowest price we could find now by $12. This water-resistant battery pack features three foldable solar panels, two USB smart-charging ports, and an LED light with three settings. Deal ends February 28.

Update: The price has dropped to $25.99 before coupon, $18.19 after.