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Big Ups

If you're looking for a battery backup to protect your devices from power outages, here are some options. The best ones are easy to use, reliable, and durable. Browse the top-ranked list of big UPS below along with associated reviews and opinions. 

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  1. JBL - Partybox 520 Portable Wireless Party Speaker - 2025 - Black

    SKU: J7LXFW32KQ

    Powered Up Bass Cannon...Big and powerful...It's quite heavy to pick up and put on the speaker stand. Definitely louder than a 320 but if you have 2 320 as a stereo.

    Product Description

    A portable black wireless speaker with bold sound, LED lighting, Bluetooth, and up to 15 hours playtime.
    See all Bluetooth & Wireless Speakers
    Your price for this item is $879.95
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In-store pricing may vary. Prices and offers are subject to change. © 2026 Best Buy. All rights reserved. BEST BUY, the BEST BUY logo, the tag design, and MY BEST BUY are trademarks of Best Buy and its affiliated companies.