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Our smartphones are sources of near-limitless entertainment–as long as their batteries have juice. Sadly, we’re not always around power outlets to keep them charged, but that’s where the Zendure A8 26,800mAh QC3.0 Portable Battery Bank comes in. Now only $64.95, this monster of a battery bank holds enough juice to keep your entire tech arsenal going throughout the day.

Engineered with Quick Charge 3.0 ports, this battery bank puts out a whopping 18W of power when connected to compatible devices, charging them up in a flash. What’s more, this battery pack behemoth can retain up to 95% of its massive 26,8000mAh battery capacity after six full months without use. Plus, its Charge-through function lets it charge other devices while it powers back up.

Now, this battery bank would normally run you $126, but BGR readers can pick it up for nearly half off, paying only $64.95