13 yrs+
Manufacturer
6000+
Square Meters
120+
Countries
550k+
Customers
What We Do
We provide both standard and customized lithium battery solutions, including lead-acid replacement batteries, energy storage systems, and lithium power batteries. They are used in medical and communication equipment, security and emergency systems, off-grid and residential energy storage, outdoor applications, commercial projects, and low-speed electric vehicles.
Manufacturing & R&D
With a strong R&D team and advanced production lines, Delong Energy supports lithium battery projects worldwide.
This capability is backed by our 6,000-square-meter manufacturing facility in Dongguan, Guangdong, equipped with highly automated production lines and an MES system to ensure full-process monitoring from materials to production.
Certification
Our lithium battery products comply with major international safety and transportation standards, including CB, KC, PSE, CE, IEC, ISO, MSDS, and UN38.3, supporting global import and project requirements.
Supply Energy For The World
How We Grow
2010
September
Shenzhen Delong Energy Co., Ltd.
Established in Guangdong, developing lithium-ion battery products.
2012
June
Mobile power supply production line
Adding and starting selling.
2013
December
Expand overseas sales team
Delong’s lithium battery packs and mobile power products are distributed worldwide.
2014
December
2,000+ square meters of production workshop
were added, and began to participate in offline exhibitions.
2015
December
Electric bicycle batteries.
Design, development, and production.
2016
December
5,000 m2 factory was opened.
The factory in Qingxi, Dongguan, covers an area of 5,000 square meters and has 200 professional workers.
2017
December
Added customized lifepo4 battery business
And develop large-capacity lifepo4 energy storage batteries and low-speed electric vehicle lifepo4 batteries.
2018
December
Independent research and development of 110V/220V AC mobile power supply
the same year, we participated in exhibitions in Hong Kong, Southeast Asia, Europe, and other places.
2019
December
Customized designs of up to 2,000 battery models
The customized design of more than 2,000 lithium iron phosphate batteries and electric bicycle batteries has received unanimous praise.
2020
December
Rich product line
Including lifepo4 batteries, lithium battery packs, electric bicycle batteries, portable power banks, and charging stations.
2021
December
Design and production of solar home energy storage batteries
improve its additional functions, such as Bluetooth monitoring, RS485, and CAN communication functions.
2022
December
Innovative design of stackable wall-mounted LiFePO4 batteries
The battery communication function is improved to be compatible with the popular inverters on the market and is warmly welcomed in the market.
2023
December
Launching a variety of all-in-one lifepo4 solar home kits.
We also participated in exhibitions in Germany, Poland, and other places to increase the visibility of Delong Energy in the European market.
Future
December
In the future
we will continue to contribute technical support and services to the world’s energy industry.
