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lithium batteries

Safe Battery

A battery backup is a device that provides emergency power to your home in the event of a power outage. It does this by converting your normal household electricity into a temporary supply of emergency power. Browse the top-ranked list of safe batteries below along with associated reviews and opinions. 

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  1. Jackery - Explorer 2000 v2 Portable Power Station + 200W Solar Panel (Ships in multiple packages) (2042 Wh Capacity) - Black

    SKU: J3GW9H6PWF

    Product Description

    A portable black power station with 2042Wh capacity, 200W solar panel, fast recharge, and ultra-quiet operation.
    See all Solar Generators & Power Banks
    Your price for this item is $1,069.99
    Save $29
    The previous price was $1,099.00

  2. Jackery - Battery Pack 3600 Plus Expandable Capacity Add-On (3584 Wh Capacity) - Black

    SKU: J3GW9H6PR2

    Product Description

    A compact black expansion battery with 3584Wh capacity, durable LFP cells, smart protection, and UL certification.
    See all Solar Generators & Power Banks
    Your price for this item is $1,099.00
    Save $1000
    The previous price was $2,099.00

  3. EcoFlow - DELTA PRO ULTRA 6000Wh Battery

    SKU: J36C7VZRKL

    About 10 degrees warmer. I switched the batteries around to ensure that it wasn’t the battery and got the same results. ...Looks very good, but batteries are running about 15 degs F hotter than Delta...

    Product Description

    A rechargeable black LiFePO4 battery backup providing 120 volts for home, emergency, camping, and RV use.
    See all Solar Generators & Power Banks
    Your price for this item is $1,799.99
    Save $1499
    The previous price was $3,299.00

  4. EcoFlow - River 3 (245 Wh Capacity) - Black

    SKU: J36C7V4S82

    Product Description

    A compact black portable power station delivering 245 Wh capacity for reliable energy on the go.
    See all Solar Generators & Power Banks
    Your price for this item is $189.00
    Save $50
    The previous price was $239.00
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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.