Suaoki Collapsible LED Solar Rechargeable Waterproof Camping Lantern for $19.99 - $12 off with coupon code V4IIJSN9 at final checkout = $7.99 with free shipping on orders $49+ or with Prime. Charges via USB or solar power, is IP66 waterproof, and can be used to store small items as well.
You can get two for $40 - $26 off with coupon code P58WK7BT in cart = $14 with free shipping on orders $49+ or with Prime.