The ESS Solution Expert Upholding the Philosophy of "New Energy, New World"
Over the past 18 years, Sunnew Group has grown into a global professional company in the lithium-ion battery industry. Guided by its mission of " New Energy, New World", Sunnew Group has focused on two major sectors: Residential Energy Storage System, Commercial & Industrial Energy Storage System. Sunnew products have been sold well in more than 100 countries and regions, such as Europe, Southeast Asia, the Middle East, Central Asia and Africa for many years.
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 expanded its production base and became a leading global supplier of high-quality batteries and power systems, entering overseas markets such as Europe,Southeast Asia, the Middle East , Central Asia and Africa with significant results.
In 2025,
Shenzhen Guangyi New Energy Technology Co., Ltd. was officially established along with the development of company business.
Our Factory
Sunnew Group was established in Hong Kong in 2007 and has 18+ 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
Energy Storage Battery Series：
Wall-mounted Lithium-ion Battery,Ground-mounted Lithium-ion Battery,Stackable Lithium-ion Battery,19Inch Cabinet Lithium-ion Battery
All-in-One Series：
All-In-One Wall-Mounted Energy Storage System,All-In-One Ground-Mounted Energy Storage System
Portable Power Series：
Lead-Acid to Lithium-ion Battery Conversion,Outdoor Portable Power Bank 1000W
C & I Energy Storage System：
PV-Storage-Diesel Hybrid Inverter,PV-Storage Hybrid Inverter,C&I Energy Storage
High-Frequency Hybrid Inverter
Product Application
Home Energy Storage System Solutions：
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.