Sunvalley Brands via Amazon offers the RAVPower 22,000mAh 3-Port USB Portable Battery Pack in Black or White bundled with the RAVPower 24-watt 4.8-amp 2-Port USB Wall Charger in Black for $47.98. (Add both items to your cart to see this price.) Coupon code "GUOBUD68" cuts that to $37.99. With free shipping, that's the lowest price we could find for the bundle by $9. (For further comparison, we saw the battery pack alone for $32 in October.) The battery pack features three iSmart 2.0 2.4-amp USB ports (5.8-amp total output). The wall charger features two iSmart 2.4-amp USB ports (4.8-amp total output) and a foldable plug. Deal ends December 9.