Battery Tester Manufacturer

Development History
IN 2003
We began to engage in the development and production of e-bike/e-scooter battery chargers and repair instruments.

IN 2005
"Hangzhou DK Battery Repair Instrument Co., Ltd." was formally established, becoming the first company named after Battery Repair in China. The company specializes in the development and production of battery repair, testing and maintenance equipment. Provide various specifications of battery repair equipment and testing equipment, and technical support for battery manufacturers, electric vehicle battery repair centers, communications, finance and other enterprises. 

IN 2007

The self-developed cabinet-type battery integrated repair system has been successful and has been recognized by the market and the majority of customers, and is in a leading position in the industry. 

In 2008
The company moved into the West Lake Science and Technology Economic Park, with a production and office area of more than 1,800 square meters. Continuously improve repair technology and production process, leading the development direction of the industry. 

In 2009
EV fast-charging stations are sold throughout the country. Successfully deployed a network of charging stations in many large and medium cities in China. The charging stations are exported overseas. From this year, we began to construct the national service chain in China.

In 2010
Hangzhou DK Battery Repair Instrument Co., Ltd. was established for the 5th anniversary. In-depth cooperation with many electric vehicle and battery manufacturers such as CHIWEE, HUAFU, and LUYAN. DK has become the leading and professional provider of battery testing and production equipment. The company was awarded as “Contract Keeping Credit Enterprise” by Hangzhou Industrial and Commercial Bureau of Zhejiang Province. 

In 2011
DK national service chain added offices in Shanxi, Nanning, Jiangxi, and Jinan. Buying electric cars, installing solar power stations. The business expanded into electric car sales and rental services, we entered the electric car market begin this year.

In 2012
Established a wholly-owned subsidiary"Hangzhou LETFUNGO New Energy Technology Co., Ltd.", committed to the new energy industry, integrating electric vehicle batteries and operation of electric vehicle quick charging solutions, research and development of solar energy storage charging and power generation platforms, production, sales, and rental of electric vehicle and other projects.

IN 2013
DK New Energy Division was officially established, dedicated to the development of major projects such as electric vehicle charging piles and solar photovoltaic power plants! 

IN 2014
Established 16 direct offices in Beijing, Shanghai, Jiangsu, Shandong, Anhui, Henan, Hebei, Shanxi, Shaanxi, Guangxi, Guangdong, Fujian, Hubei, Sichuan, Liaoning, Jiangxi Province. Power station network throughout the country, up to more than 20,000 sets.

10th-anniversary celebration of the company.

On the basis of the fifth-generation charging station (developed card charging function, charging station storage value function, mobile phone software unlocking anti-theft function, mobile phone fast charging function), the interactive landing of energy Internet and vehicles Internet was planned and implemented with the help of charging piles. We will combine the rational urban layout with the construction of parking lots, and speed up the construction of charging infrastructure such as charging piles, urban charging and swapping stations, and intercity quick charging stations.

Invited to participate in the 16th North China International Bicycle and Electric Bicycle Exhibition held in Tianjin.

Participated in the 34th China Jiangsu International New Energy Electric Vehicles and Parts Fair. Through this exhibition, DK's brand influence has been further enhanced. Once launched, many new products quickly attracted market attention and won widespread market recognition!

DK Lithium Battery Distributed Charging & Swapping System was officially launched. New products and technologies such as the intelligent Internet of Things code scanning charging system, shared electric bicycles, and shared battery swap stations have caused a huge sensation in the industry and are expected to open a new-era of electric vehicle charging!

DK Shared Power Charging and Swapping Solutions appeared in the 4th World Internet Conference and competed with more than 400 world-renowned Internet enterprises and innovative enterprises such as ALIBABA, BAIDU, HUAWEI, German SAP, etc., which were highly paid attention and recognized by mainstream media in Zhejiang TV, CCTV and other media.


DK Foreign Trade Division was formally established, dedicated to exploring overseas markets and gradually establishing an overseas service network. To provide overseas customers with professional battery testing and maintenance equipment, charging facilities, technical support, and services.

In 2019

Established a long-term strategic partnership with China Tower to provide charging facilities and battery testing & maintenance services.

In order to better reflect the company's product attributes and future development direction, the company was renamed to
Let Us Bounce Into Your Inbox
Enter your email to hear from us about Product list, Latest Products and Customer application examples !