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CTB is a leading VRLA battery manufacturer and supplier.
We produce more than 550 different models of batteries used for industrial, motorcycle, automotive, and other applications.
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Our Services
OEM Customizations
We are your reliable OEM VRLA battery manufacturer of lead-acid batteries and plates, capable of customizing production based on your technical specifications (capacity, voltage, size) and brand requirements, and providing one-stop export support.
Our services cover the entire life cycle, from sample confirmation and scalable mass production to strict full-process quality inspection and reliable global logistics distribution. Additionally, we guarantee stable supply capacity and flexible minimum order quantities (MOQ) to efficiently meet your diverse order demands.
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Why Choose Us
Extensive professional knowledge and experience
Chinese battery fand Vietnam factories produce more than one thousand of types of plates, and hundreds of models of sealed lead acid batteries.
Self-making plates help the company to ensure the batteries a reliable performance and high quality.
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CTB, certified with ISO 9001, ISO 14001 and ISO45001, is strictly working on quality control of all plates and batteries.
The technique and performance of all CTB batteries comply with the international standards, like IEC, JIS, BS and other standards.
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To create a leading
About Us
Crown Tech Battery Co., Ltd (CTB), under Crown Industry Co., Limited, is one of the largest battery factories in China. CTB now owns one battery factory in China and one battery factory in Vietnam.Chinese battery fand Vietnam factories produce more than one thousand of types of plates, and hundreds of models of valve regulated lead acid batteries.
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Our services cover the entire life cycle, from sample confirmation and scalable mass production to strict full-process quality inspection and reliable global logistics distribution.
The capacity of a UPS battery refers to its energy storage capacity, representing the total amount of energy that a fully charged battery can release when discharged to a specified cut-off voltage. It is one of the most critical performance indicators for evaluating battery usability and service life.
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Maintenance-free batteries serve as a core component in emergency and backup power systems, offering stable, reliable energy support when grid power is unavailable. With no regular maintenance required, high safety performance and long service life, they ensure uninterrupted operation for critical equipment in data centers, medical facilities, communications and industrial scenarios.
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Proper routine maintenance is critical to ensuring battery performance, safety, and service life. Scientific charging, reasonable storage, and regular inspections can effectively prevent capacity attenuation, extend service life, and maintain stable output in backup and daily applications.
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If you have any questions about our products or services, feel free to reach out to customer service team.
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