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Our Advantages

Long life & high reliability battery energy storage solutions.


Technology and high temperature separator.
Projected life up to 20 years.
Rechargeable at -40°Cand discharge at-50°C, Capacity maintains 80%.
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Monitoring and controling the system and cells by smart BMS.
Fast rechargeable product series are up to 10C and discharge at 25C.
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CAPESS graphene supercapacitor battery manufacturer
Low voltage commercial use
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High voltage commercial & industrial use
Stackable module design and high power efficiency
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Containerized Energy Storage System
Safe performance and uninterrupted large power supply
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Get Professional Battery Energy Storage Solution Now!
Customizing Graphene Energy Storage System for Special Purpose to Meet Your Unique Demand.
SINCE

CAPACITY(MWh)

CUSTOMERS

26+

COUNTRIES

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About GTCAP 

Shanghai Green Tech (GTCAP) is a supercapacitor battery manufacturer and energy storage solutions provider based in China. Founded in 1998, we are dedicated in researching and developing new energy storage technology, breaking through energy storage technology, changing future energy landscape, and providing superior energy storage solutions to the world.


Our company have obtained the ISO9001, ISO14001, ISO45001 certification, and we strictly follow these standards. Most of our battery products have been certified by international safety standards such as CE,UN38.3,IEC62619,UL9540A,UL1973,CEI0-21 etc.


All the products must undergo strict testing and quality control during the production process with the data recorded in the MES system, and 100% OQC is guaranteed before packing and delivery.

ABOUT US
About green tech graphene battery manufacturer
As a capacitor manufacturer and supplier with more than 20 years of experience in supercapacitor design, development, and production, its main products include graphene ultracapacitors, supercapacitor modules, and graphene batteries, etc. It is a high-tech enterprise certified by state-certified.
  Quality Control 
GTCAP is a graphene battery supplier based in China. Founded in 1998, we are dedicated in researching and developing new energy storage technology, breaking through energy storage technology, changing future energy landscape, and providing superior graphene energy storage solutions to the world.
Our team is composed of many talented members who graduated from 211, 985 universities in China such as Shanghai Jiao Tong University and Hohai University, including many master's students, including two returnees. They are highly skilled and proficient in the science of electrochemical energy storage systems.
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Our company have obtained the ISO9001, ISO14001, ISO45001 certification, and we strictly follow these standards. Most of our battery products have been certified by international safety standards such as CE,UN38.3,IEC62619, UL9540A,UL1973,CEI0-21 etc.All the products must undergo strict testing and quality control during the production process with the data recorded in the MES system, and 100% OQC is guaranteed before packing and delivery.
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