Most things in our increasingly interconnected world—iPhones, AirPods, and other tech add-ons—need constant power to function. However, no one wants to carry around a bunch of cables, chargers and connectors to keep these devices working. That’s where a universal charger comes in handy, like this $32.99 20,000mAh Extreme Boost Backup Battery.

With four USB ports, this battery pack is a multi-tasking beast capable of charging up to four devices at the same time. The five-star power bank in our store features internal Smart Charge technology that automatically adjusts the charging rate for each device to 2.4A per port to deliver power at the optimal rate for each connected item.

In addition, the device can also protect your connected devices from overcharging, overcurrent, or any possibility of a short circuit that may occur due to improper power flow management. There are even LED indicators so you can visually see the progress of each charge and the battery status.

Smart power doesn’t always come cheap, but with over 60% off, the 20,000 mAh Extreme Boost backup battery is as economical as it gets.

Extreme Boost 20,000mAh Backup Battery – $32.99

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Prices subject to change