Shenzhen Sunnew Energy Co., Ltd.

Our History

In 2007, Three Cows International Group (HK) Co., Ltd was established and focused on the agent and sales of Samsung, LG, Panasonic, and Sony battery cells.

In 2015, Shenzhen Sunnew Energy Co., Ltd was established under the demand of the market, and was specialized in the R&D and sales of energy storage battery packs.

In 2017, Dongguan Sunnew Energy Technology Co., Ltd established and set up a 10000-square-meter factory in Tangxia Town, Dongguan, to manufacturer the energy storage battery packs.

In 2021, Sunnew Energy’s factory was expanded and moved to a new place due to the increase in business volume. To specialize in building energy storage battery packs of independent brands, set up online and offline integrated services, and provide better batteries and service for the global customer.

Our Factory

Sunnew Group was established in Hong Kong in 2007 and has 15 years of professional experience in lithium battery manufacturing. We have a R&D team consisting of 35 professional engineers, 22 of whom have worked in well-known domestic companies for more than 5 years on average. And has 80 professionally trained production employees, each employee needs to go through 12 months of professional training before they can work.

Sunnew Energy production plant has passed ISO9001 quality management system certification and ISO14001 environmental management system certification, located in Tangxia Town, Dongguan City. It has 7 production lines, including 3 energy storage battery production lines, 3 power battery production lines, 1 digital battery production line, and more than 30 sets of professional testing equipment.

We support ODMs and OEMs to provide you with hassle-free service from solution discussion to engineering design to product validation to mass production to product shipment to after-sales consultation.

Our Product

Lithium-ion battery. Solar energy storage battery. Portable energy storage battery. Ebike battery，Electric motorcycle battery，Low-speed vehicle battery，Consumer battery.

Product Application

Home energy storage system, Solar energy storage system，Uninterruptible power system，RV energy storage system, Low speed vehicle，Boats，Golf carts， Electric power system，Power tools.

Our Certificate

ISO9001, ISO14001,ISO45001, IEC62133,CQC, FCC, CE, UN38.3, MSDS, RoHs

Production Equipment

Cell sorting equipment, laser spot welding equipment, automatic welding equipment, automatic film sticking equipment, automatic gluing equipment, tensile testing equipment, gravity testing equipment, high and low temperature testing equipment, vibration testing equipment, drop testing equipment, life cycle testing equipment, Short circuit test equipment, BMS test equipment, voltage internal resistance test equipment, charge and discharge test equipment, impact test equipment

Production Market

From 2019 to 2021, a power company in Southeast Asia purchased 3.6kWh battery packs from us to apply to their ESS system. The monthly purchase volume is 3,000 sets and the annual sales volume is 85 million.

Our Service

We provide you with full worry-free service from solution discussion to engineering design to product verification to mass production to product shipment to after-sales consultation.