B&H Photo Video offers the APC 5,000mAh Portable Battery Pack for $39.99. Clip the 80% off coupon on the product page to cut the price to $7.99. With free shipping, that's the lowest price we could find by $12. It features a 5,000mAh capacity, two USB charging ports, and one Micro USB input.
These plants may also do everything from reducing the amount of dust in your home to boosting your happiness.