About Us

With our own battery cell and battery pack factory, we are able to maintain complete control over the entire production process, from cell development to battery assembly, ensuring the highest standards of quality and performance.
In addition, Herewin has passed various certifications of ISO9001, ISO14004, ISO45001, etc. We are committed to delivering efficient, prompt, and exceptional service, with a vision to become a leading global battery manufacturer.

About Herewin

Founded in 2019, Shenzhen Jarwin Time Technology Co., Ltd. is backed by a founding and operational team with over 20 years of extensive experience in the battery industry. It specializes in developing and producing high-performance lithium-ion polymer batteries.
Our primary products include drone batteries, Battery Energy Storage Systems (BESS), and custom-made battery cells and packs, which serve various industry applications.
Our product line covers a wide range of UAV batteries, from small FPV models to large agricultural spraying drones, complemented by our self-developed drone battery chargers. We also offer Battery Energy Storage Systems (BESS) for applications ranging from residential and commercial use to megawatt-scale industrial purposes, along with UPS signal station batteries, electric vehicle power batteries, portable power stations, and lead-acid to lithium battery conversions.
With our own battery cell and battery pack factory, we are able to maintain complete control over the entire production process, from cell development to battery assembly, ensuring the highest standards of quality and performance.
In addition, Herewin has passed various certifications of ISO9001, ISO14004, ISO45001, etc. We are committed to delivering efficient, prompt, and exceptional service, with a vision to become a leading global battery manufacturer.

387,000+m²

Advanced Plant

2,500+

Skilled Staff

6 GWH+

Annual Production Capacity

22+

Years of Experience

Why Choose Us

R&D

Supported by a robust enterprise research institute, a provincial engineering research center, and a postdoctoral workstation.

Design

Our research institute has more than 160 professionals and benefits from an annual R&D investment of over 20 million.

Produce

Globally positioned factories in China, Vietnam, and Africa, offering global ODM/OEM services with quality and cost advantages.

Service

One-stop service, from design to production to samples to shipment to installation of the whole process service

After Sales

Well-established after-sales process, with overseas warehouses and local after-sales teams in many countries

Factory Tour

From factory production line to customer evaluation

Gain a comprehensive insight into who we are and what we stand for. By exploring the meticulous precision of our
production lines, the efficient management of our factories, and the genuine feedback from our satisfied customers,
you’ll see how we ensure excellence at every step of the process.

Large imported equipment

Equipment

The factory operates four advanced lithium-ion battery production lines with dedicated workshops, full manufacturing facilities, and an R&D center, supporting flexible customization and OEM/ODM demands.

Perfect testing process

Testing Process

Our factory ensures the highest quality control through a meticulous process. Each battery cell undergoes more than 20 production steps, 10 critical control procedures, and 4 inspection stages.

Standardized warehouse

Warehouse

Our warehouse features precise climate control, smart management, strategic zoning, safety measures, and eco-friendly design to ensure battery quality.