About ExtraBatt About ExtraBatt

About ExtraBatt

Established in San Leandro, U.S.A., ExtraBatt.com is a leading online power accessory superstore. ExtraBatt.com is the official e-commerce site of Cameron Sino brand, and it provides internet shoppers with premium quality camera, camcorder, laptop, Smart Phone batteries, battery chargers, DSLR battery grips, memory cards, power adapters, and other replacement accessories for various electronic equipment at the most competitive prices. By minimizing our overhead costs such as retail outlet, re-seller margin, and brand margin, we are able to pass savings on to customers by offering our products at the lowest possible price. We keep our warehouse stocked with large volume of products so we can provide our clients with almost any model or part when they need it. We maintain a high level of customer service and pride ourselves with our highly trained staff and experienced technicians who in turn can take advantage of the technologies we have developed to service our customers and to make sure our products are shipped without any delay.


We have our own R&D team and factory , and developed 3 product lines to indicated different level of capacity.

Cameron Sino created same capacity replacement battery as original manufactured battery for customer normal usage.


X-Longer is a premium battery branding which specialized design for High Tech devices. X-Longer batteries may contain equal or higher capacity than original manufactured battery to fulfill customer’s demand on technology devices.


Extension is an extended battery for X-Longer which contains the highest capacity which enhance your enjoyment with mobile devices. All Extension battery comes with a back cover or leather case.


Our Values

We have four main values to let us become the global leading supplier of high performance batteries for portable devices:


Our Warehouse:

Warehouse of ExtraBatt in United States

Warehouse of ExtraBatt in United States

Warehouse of ExtraBatt in United States

Contact Information:
If you have questions, comments or suggestions, please feel free to email us support@extrabatt.com. We respond promptly to all your requests.
Corporation Location

25613 Dollar St., Ste. 7,

Hayward, CA 94544


Business Hours
Our online store is open 24 hours a day 7 days a week.