In today’s digital world, few things are as deflating and inconvenient as running out of power. Boasting a colossal 20,000mAh capacity, the Extreme Boost 20,000mAh Back-Up Battery ensures your devices will have enough juice to keep them going several times over, and it’s on sale for 60% off at $35.99.

This portable powerhouse features a whopping 20,000mAh capacity and lets you charge up to four devices simultaneously. It leverages Smart Charge technology to automatically adjust the charging speed to suit your specific device, and you’ll be able to monitor your charging progress thanks to an LED indicator.

Don’t find yourself without a charge ever again. The Extreme Boost 20,000mAh Back-Up Battery has you covered for just $35.99—60% off its usual price.

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