Xain-USA – Xain-USA LLC

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

Save your expensive vacuum

Because they run constantly, battery performance worsens by the day. Replace your battery today for longer run-time and more powerful suction.

Smart locks, doorbells, solar lights, and more

A smart home is only as reliable as the batteries that power it. Power your lights for longer, recharge your doorbells less often, and re-energize aging tech products.

Browse 3.7V 1S1P

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Great power at great prices

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