Aukey Direct via Amazon offers its 20000mAh USB-C battery with 3 inputs and 4 outputs for $31.99 shipped when you use code AUKEYP14 at checkout. Regularly $40, this is the lowest we’ve tracked and the best available. If you’ve been looking for a multi-purpose external battery, this is a great choice. With the ability to recharge from MicroUSB, Lightning, or USB-C, you never have to worry about bringing a separate cable with you to recharge your battery. Rated 4.3/5 stars.

More smartphone accessories:

Deals still live from the weekend:

  • AUKEY 2 USB-C to USB-A Adapters: $4 (Reg. $6) | Amazon
    • w/ code NFU2WDEE 
  • Anker PowerPort II USB-C Charger: $26 (Reg. $36) | Amazon
    • w/ code SUPERPD2
  • Yunmai Smart Scale: $30 (Reg. $40) | Amazon
    • w/ code DEALYM20
  • Google Daydream VR headset: $49 (Reg. $99) | B&H, Best Buy eBay
  • Jaybird X3 Bluetooth headphones: $100 (Reg. $130) | Amazon, Best Buy, Target

Apple Smart Keyboard

AUKEY 20000mAh USB-C battery features:

  • Universal Charging: 3A total output to charge a USB-C device and three USB-A devices simultaneously (the USB-C port can supply a powerful 3A by itself). Recharge your power bank via USB-C, Lightning, or micro-USB port
  • Large Capacity: 20000mAh to charge your iPhone 8 7.3 times, or 9.7-inch iPad Pro 1.5 times, or Samsung Galaxy Note8 4 times
  • Refined Design: Slimline form makes it comfortable to hold and matte surface keeps it free of fingerprints, so you’ll like using this power bank for a long time to come. Minimalist LED indicator shows remaining battery level at a glance
  • Safety Features: Built-in safeguards protect your devices against excessive current, overheating, and overcharging
  • Package Contents: AUKEY PB-Y14 20000mAh Power Bank, USB-A to USB-C Cable, User Manual, 45-Day Money Back Guarantee and 24-Month Product Replacement Warranty Card

About the Author

Patrick Campanale's favorite gear