E-Star Electronics Limited, established in 2001, is a contract manufacturer based in Shenzhen, China, specializing in batteries and adapters for portable electronic devices. With 51 to 100 employees, the company has grown to become a leading professional manufacturer in its field. Their product range includes mobile phone batteries, digital camera batteries, camcorder batteries, laptop batteries, PDA batteries, AC adapters, and chargers, as well as iPod accessories. E-Star Electronics operates a factory and applies an ISO 9001 quality control system to its production and management processes. Their products comply with international standards such as UL, CE, FCC, and RoHS.
Shenzhen Firstar Battery Co., Ltd. is a high-tech manufacturer and exporter established in 2004, specializing in the research, development, and production of lithium-ion and lithium-polymer battery solutions. Based in Shenzhen, China, the company operates extensive manufacturing facilities ranging from 3,000 to 18,000 square meters, supported by a workforce of up to 1,000 employees. Their core product portfolio includes replacement laptop batteries, digital camera and camcorder batteries, power banks, and portable chargers compatible with major global brands such as Dell, HP, Sony, Acer, and IBM.
As an ISO 9001 and ISO 14001 certified enterprise, Firstar maintains rigorous quality standards, utilizing advanced production equipment and a dedicated team of QC inspectors to achieve a target RMA rate of 0.5%. The company offers comprehensive OEM and ODM services, backed by a specialized R&D department of up to 50 engineers and researchers. Their production capacity is significant, reaching up to 400,000 battery units and 300,000 charger sets per month.
With over 15 years of industry experience, Firstar has established a strong international presence, exporting over 70% of its output to markets across North America, Europe, and Asia. Their products hold multiple international safety and quality certifications, including CE, UL, RoHS, CB, and UN38.3. The company is recognized for its ability to provide reliable, high-capacity power solutions for a wide range of consumer electronics, including PDAs, portable scanners, and video lights.
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