What are the payment terms?

We accept T/T, LC, D/P, PayPal, Western Union, and small-amount payments.

What is the lead time for orders?

Lead time is within 15 workdays or one month, depending on the season.

What certifications or quality controls are applied?

We perform 100% inspection (visual and function) and use MES system for quality traceability.

21700 3.6V5000mAh Cylindrical Ternary Lithium Battery Rechargeable Long Life Stable Big Capacity

Name: 21700 3.6V5000mAh Cylindrical Ternary Lithium Battery Rechargeable Long Life Stable Big Capacity
Brand: Dongguan Dengfeng Green Energy Technology Co., Ltd.
SKU: 2186349975

Guangdong, ChinaDongguan Dengfeng Green Energy Technology Co., Ltd.

US$2.36

200 Pieces

Sample price:US$2.36/piece.Request sample

Product profile

Customization

Available

Type

Li-ion Battery

Cathode Material

NCM

Model NO.

21700 3.6V5000mAh

Rechargeable

Yes

Size

Small

Capacity

3.6V 5000mAh

Voltage Range

2.5-4.2V

Nominal Voltage

3.6V

Weight

≤73G

Energy Density

253wh/Kg

Charge Current

2.5A (0.5c)

Discharge Current

5.0A (1.0c)

Maximum Discharge Current

15A (3.0c)

Transport Package

Box

Specification

21700

Origin

China

HS Code

8506500000

Production Capacity

50000PCS Per Month

Key features

High Energy Density: 253Wh/Kg energy density for compact, high-capacity power storage.

Long Cycle Life: Reliable performance with 500-1000 charge cycles for durability.

High Discharge Rate: Supports up to 15A max discharge current for high-power devices.

Stable Performance: Operates stably across wide temperature ranges for outdoor use.

Customization Options: Offers full, minor, and flexible customization from samples or designs.

Quality Assurance: 100% inspection with MES system and foreign body tracking.

Fast Production: Automated lines with 200PPM efficiency and 96% pass rate.

Wide Application: Ideal for E-Bikes, smart home devices, and portable electronics.

Company profile

High Repeat Buyers ChoiceR&D CapabilitiesProduction Process VisualizationPrivate Mold

Dongguan Dengfeng Green Energy Technology Co., Ltd.

Guangdong, China

CertifiedBusiness Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 2 Years CertifiedNearest Port: Shenzhen PortAverage Response Time: ≤1.76h

AI-Powered supplier vetting

SummaryThe supplier is identified as a manufacturer with capabilities spanning portable outdoor power supplies, communication and emergency UPS products, batteries, and energy-storage systems. It reports broad customization and ODM/OEM capabilities, recent new-product development, four production lines, inventory capacity, valid manufacturing contracts with associated subcontractors, and substantial stated production volumes. It exports to Southeast Asia and the Middle East. However, no certification information or customer case details are provided. After-sales service processes exist, but complaint handling and corrective/preventive-action records are not documented. The supplier has no available SDK, overseas warehouse, or overseas showroom. Financial information is limited to year references, so financial credibility cannot be fully assessed.

Supplier typeThe supplier is explicitly identified as a manufacturer. Its described activities include R&D, production, sales, and service for energy-storage, portable outdoor power, UPS/EPS, battery, and related electronic products.

R&D capabilityThe supplier reports new products during the past year, ODM services, and R&D activities covering household energy storage, grid-connected/off-grid power supplies, portable power, UPS, and related products. It does not have an available SDK, which is a limitation for SDK-based development but does not negate the broader product R&D evidence.

Production capacityThe supplier is a manufacturer operating four production lines and facilities including SMT, DIP, container division, spot welding, and automatic sorting equipment. It reports high production volumes for portable energy storage, lithium batteries, mobile UPS, emergency lighting, and emergency power supplies, plus inventory capacity and valid contracts with associated subcontractors.

Customization capabilityBoth R&D and design-capability records list customization from samples, designs, full customization, minor customization, and flexible customization. The supplier also reports ODM service availability, providing explicit evidence of broad customization support.