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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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View allPopular models without compromising on safety
Our batteries have advanced protection circuitry to safeguard against over-charge, over-discharge, shorting, and damage.
First-hand customer reviews
Discover what real-life customers and experts are saying about Xain-USA batteries.
Power up better and longer than ever before
Revive your CTronics outdoor cameras with either our 3.7V 4400mAh for all-night charge or 6600mAh for extra capacity.
Also popular among MeshTastic and Arduino aficionados!
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View allStill 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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Xain-USA
$19.99Unit price /UnavailableIn stock (49 units) -
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Sold out
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Xain-USA
$17.99Unit price /UnavailableVery low stock (2 units) -
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Xain-USA LLC
$19.99Unit price /UnavailableIn stock (48 units) -
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Xain-USA
$22.99Unit price /UnavailableLow stock (9 units) -
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Xain-USA
$21.99Unit price /UnavailableLow stock (10 units) -
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.
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High-Quality Batteries
Our batteries are made by leading manufacturers that innovate on a daily basis to bring strong, reliable power to you.
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Integrated Protection Circuits
Integrated protection circuitry in all our batteries work constantly to protect your and your devices from damage.
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Certified Manufacturers
Our manufacturers are world-renown for their excellence in quality production, ensuring that Xain-USA batteries are world-class.