Sunvalleytek via Amazon offers the RAVPower 14,000mAh External Backup Battery Pack in Black, model no. RP-PB13, bundled with RAVPower 3,000mAh Luster Mini External Backup Battery Pack for $39.99 with free shipping via the directions below. That's $59 under the lowest total price we could find for these items sold separately. The battery pack features a built-in flashlight, auto-off, and compatibility with a wide range of devices (including the iPad, iPhone, and Android phones and tablets).

1. Add the RAVPower 14,000mAh External Backup Battery Pack to cart for $39.99
2. add the RAVPower 3,000mAh Luster Mini Backup Battery Pack in any color for an additional $17.99
3. apply coupon code "AFNDADQG" for a final price of $39.99