Welcome to Xain-USA — Your Definitive American Battery Company

We're Your Powerhouse — Need a Custom Battery? Contact Us

We Are Pleased to Serve Tens of Thousands of Customers Every Year

  • Free 2-5 day shipping

  • Easy 30-day returns

  • Best prices online

  • Custom batteries

Innovative Battery, Everyday Comfort

Our batteries are made by world-leading manufacturers that innovate everyday to bring you batteries that just work.

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Real Power From Your Powerhouse

Batteries that just work, so you can go back to enjoying your electronics and living life.

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Revive your SimpleHuman mirror & more

Our 3.7V 6600mAh with PH2.0 connector battery has long been people's go-to choice to bring life back to their SimpleHuman mirror and other everyday products.

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Popular models without compromising on safety

Our batteries have advanced protection circuitry to safeguard against over-charge, over-discharge, shorting, and damage.

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First-hand customer reviews

Discover what real-life customers and experts are saying about Xain-USA batteries.

Tens of thousands of happy customers Bring life back to lights, remotes, toys, and more

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Still looking for the right battery?

Feel free to browse our catalog, use our intelligent auto-filling search bar, or contact us for questions and customizations.

While you're here, take a look at some of our most popular 3.7V 1S2P batteries.

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Why Xain-USA is your powerhouse

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  • American Owned Business

    Xain-USA is proud to be an American run, owned, and operated business in an industry largely dominated by foreign corporations.

  • High-Quality Batteries

    Our batteries are made by leading manufacturers that innovate on a daily basis to bring strong, reliable power to you.

  • Integrated Protection Circuits

    Integrated protection circuitry in all our batteries work constantly to protect your and your devices from damage.

  • Certified Manufacturers

    Our manufacturers are world-renown for their excellence in quality production, ensuring that Xain-USA batteries are world-class.

  • Visit our support center

    Expert help & advice

  • Check your order status

    Updates & tracking

  • Worry-free returns in the USA

    30 day return window

  • Great power at great prices

    Our promise to you