SuperTank 27,000mAh Portable Charger: $134.99

· · TMO Deals

We have a deal on a beast of portable battery, the 27,000mAh SuperTank. This device can charge up to four devices at a time with 2 USB-C and 2 USB-A ports—plus one of those USB-C ports can put out 100 watts of power. It’s TSA-compliant and is crush-proof, too. The SuperTank is $134.99 through our deal.