Changhong Energy launches a new compact polymer lithium-ion battery product: empowering the portable energy storage and magnetic wireless charging markets.

Technology leads the way, and energy takes the lead. As the core new-energy platform under Changhong Holding Group, Changhong Energy (stock code: 920239) consistently relies on technological innovation and precision manufacturing as its dual driving forces, deeply cultivating a comprehensive layout across the entire lithium-battery industry chain. Its subsidiary, Shenzhen Changhong Juhe Yuan, continues to spearhead the small polymer lithium-battery segment, recently launching two major new product lines: ultra-high energy-density cells and magnetically attached, wireless-specific cells. With its robust capabilities, Changhong Energy is reshaping industry standards in the portable energy-storage sector, providing safer, more compact, and more efficient energy solutions for global applications in consumer electronics, smart wearables, portable energy storage, and light-duty power systems.

Changhong Juhe Yuan | Company Introduction

Shenzhen Changhong Juhe Yuan Technology Co., Ltd. was established in 2007. It is a subsidiary of Changhong Energy Holdings, a national-level high-tech enterprise, a specialized, refined, and innovative enterprise in Shenzhen, and an AAA-rated credit enterprise. The company is also one of the key developers of domestic industry standards for smart wearable lithium batteries. The company integrates research and development, design, manufacturing, and sales of polymer lithium-ion batteries. It has two advanced intelligent manufacturing bases—one in Shenzhen and another in Hunan—producing over 100 million small polymer lithium batteries annually. The company offers more than 2,000 mature product models, with a daily production capacity exceeding 150,000 units. With a workforce of approximately 800 employees, its products are exported to over 100 countries and regions worldwide.

Relying on R&D platforms such as Changhong Group’s New Energy Lighthouse Laboratory and Lithium Battery Competitiveness Laboratory, the company continues to focus on material innovation, structural design, and precision manufacturing processes. It holds over 90 patents and has obtained certifications under ISO9001, ISO14001, and ISO45001 standards. Its products comply with the EU’s RoHS and REACH regulations and have earned globally recognized certifications including UL, CE, CB, PSE, and KC. Focusing on the small-format soft-pack polymer lithium battery segment, the company specializes in specialty battery cells featuring high capacity, high discharge rates, ultra-thin and custom-shaped designs, wide temperature tolerance, and anti-magnetic properties. Its products deeply serve markets such as smart wearables, magnetic wireless charging, portable energy storage, consumer electronics, and light-duty power applications. The company is a trusted provider of customized lithium battery solutions in the global high-end portable energy sector.

PART 01#Setting a milestone in the industry! Energy density exceeds 710 Wh/L—small size packs big power.#

Targeting the portable energy storage marketLightweight, compact, and highly secureIn line with the upward trend, Changhong Juhe Yuan is proudly launching two brand-new polymer lithium-ion battery cells with ultra-high energy density, covering...5000mAh/10,000 mAhTwo mainstream capacities, redefined.“Pocket-sized power bank”Cell benchmark.

JHY124551N（5000milliampere-hour）

• Ultra-compact: Dimensions only12.6×45.5×51.7mmSmaller in size for the same capacity.
• Powerful performance:3.6VRated voltage, supported1.0CCharging/1.5CDischargeFast charging, high efficiency, and lower heat generation.
• Wide-temperature stability: Charging0Celsius45CelsiusDischarge-20Celsius60CelsiusStable output under complex operating conditions
• Long lifespan and durability: After 800 cycles at 0.5C and 300 cycles at 1C, the capacity retention rate remains ≥80%.
• Authoritative security: CompliantGB31241-2022,IEC/EN61960,UL1642Three major standards: In soft-pack designs, abnormal conditions result only in air leakage, not rupture.

JHY135275N（10000milliampere-hour）

• Density at the Top: Energy DensityBreakthrough710Wh/L, smaller volume for the industry-level of tens of milliampere class
• High-power stable discharge: Internal resistance as low as20milliohmWithinHigher power output is more stable.
• Full-scenario coverage: Compatible with a diverse range of fields including power banks, consumer electronics, portable energy storage, and lightweight power systems.

Leveraging optimized material systems, innovative structural designs, and upgraded precision manufacturing processes, the two new products feature standardized dimensions, single-folded edges, and an L-shaped side-gluing process. Their tab terminals are compatible with both ultrasonic welding and spot welding, helping customers rapidly develop high-end portable devices and delivering a versatile experience characterized by "small size, fast charging, and long battery life."

PART 02#A new force in magnetic wireless charging! High-voltage platform battery cells power the iPhone magnetic wireless charger.#

Closely following the trend of magnetic wireless charging, Changhong Juhe Yuan has proactively made arrangements and launched:

JHY536280HV 

JHY456591HV

JHY606076HV

Three types of high-voltage platform magnetic wireless power banks—specialized battery cells that precisely meet the stringent requirements for small size and high energy density.

Key Highlights

• High Voltage, High Energy: Nominal Voltage3.87V, charging cut-off voltage4.45V, compared to traditional4.2VThe battery outputs more energy.
• Solid capacity: Typical capacity5000milliampere-hourNominal energy19.35WhSmall size, long battery life
• Excellent magnification: Maximum1.5CCharging/1.0CDischargeSuitable for fast charging and wireless charging scenarios.
• Reliable quality: Internal resistance≤50 mΩStable storage performance, with no defects such as damage, bulging, or leakage in appearance.

Specifically designed for magnetic wireless power banks, this product integrates a wireless charging coil and a high-efficiency battery cell within a limited internal space, striking the perfect balance between a slim, lightweight feel and long-lasting battery life. It fully supports the brand in seizing the opportunity in the magnetic wireless power bank market.

PART 03#Changhong Energy’s strong endorsement—backed by robust capabilities across the entire industry chain.#

As a national-level “Little Giant” specializing in niche, specialized, and innovative enterprises, a national high-tech enterprise, and a company listed on the Beijing Stock Exchange, Changhong Energy has established an integrated industrial structure encompassing alkaline batteries, high-rate cylindrical lithium batteries, and polymer lithium batteries. The company boasts intelligent manufacturing capabilities across multiple sites in Shenzhen, Hunan, Mianyang, and other locations, with an annual production capacity of over 100 million small polymer batteries. Its products are exported to more than 100 countries worldwide.

Changhong Juhe Yuan, as the core platform under its umbrella specializing in small polymer lithium batteries, integrates R&D, manufacturing, and sales into one, and has been recognized by Shenzhen City.“Specialized and New Enterprise”,AAAA Tier-1 credit enterprise, it is one of the key developers of domestic industry standards for smart wearable lithium batteries, empowering its products through deep technological expertise and rigorous quality control.

From material innovation to structural breakthroughs, from safety certification to mass production—Changhong Energy has always remained committed.Smaller, stronger, and saferOur product philosophy is to continuously provide customers with one-stop lithium-ion battery solutions that feature high energy density, high safety, long lifespan, and cost-effectiveness.

Small cells, big future. Changhong Energy will continue to harness innovation as its driving force, deeply cultivating the small polymer lithium-ion battery sector and constantly pushing the boundaries of energy density, safety performance, and application scenario adaptability. Together with our global partners, we’ll jointly explore the vast new frontier of portable energy storage, using cutting-edge technology to continuously empower smart living.“Charging”!

PartContentSourceBattery Trading Network

Editor: Yang Xiuxue

First Review: Qing Jianchun

Reviewed by: Jing Rongwei