Are products certified?

Yes, they meet CE, UL, ISO, etc.

How is battery quality ensured?

Strict testing is done before every shipment.

Uli 21700 Semi-Solid State Lithium-Ion Battery for E-Bike and Agv

Name: Uli 21700 Semi-Solid State Lithium-Ion Battery for E-Bike and Agv
Brand: Dongguan Youli Electronic Technology Limited
SKU: 2269216095

Guangdong, ChinaDongguan Youli Electronic Technology Limited

US$2.23

100-499 Pieces

US$2.17

500-1,999 Pieces

US$2.09

2,000+ Pieces

Product specifications

3.7V

Product profile

Customization

Available

Type

Li-ion Cylindrical Battery Cell

Size

21*70mm

Model NO.

546070

Warranty

1year

Shape

Cylindrical

Place of Origin

Guangdong,China

Max Continuous

Charge Current 14A

Voltage/Capacity

3.7V/4000mAh

Sample Test

Available

Operating

Temperature(C) -40~60c

Battery Type

Semi-Solid State

Weight

46g1.62oz

Cycle Life

500 Cycles

Power

14.8wh

OEM/ODM

Acceptable

Transport Package

Li-ion Cylindrical Battery Cell

Specification

21*70mm

Trademark

ULi

Origin

Guangdong, China

Key features

Semi-Solid State Technology: Advanced 21700 Li-ion cell with semi-solid state chemistry for enhanced safety.

High Capacity Performance: Delivers 3.7V voltage and 4000mAh capacity with 14.8Wh power output.

Robust Cycle Life: Endures up to 500 charge cycles for long-term durability.

OEM/ODM Customization: Full customization options available including samples, designs, and minor tweaks.

Multi-Application Versatility: Suitable for power tools, consumer electronics, e-bikes, and electric scooters.

Strict Quality Control: 100% visual and functional inspection before every shipment.

Global Certifications: Products certified with CE, UL, ISO, FCC, and RoHS standards.

Company profile

Fast Delivery100% Finished Products InspectionQuality AssuranceProduct Certification

Dongguan Youli Electronic Technology Limited

Guangdong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 7 years CertifiedNearest Port: shenzhen portAverage Response Time: ≤1.38h

AI-Powered supplier vetting

SummaryThe supplier presents itself as a battery manufacturer with R&D, OEM/ODM, customization, and production capabilities. It reports two production lines, more than 70 automatic machines in an associated factory, and a stated capacity of at least 50,000 batteries per day. R&D information indicates new products were developed within the past year and multiple customization services are available. The supplier reports one-year product warranty coverage, debugging, maintenance, and training services, but its service procedures and records are incomplete. Certification capability includes UL, FCC, CE, and RoHS, while supplier-management-system certification is listed as NIL. Financial evidence is limited to year labels without financial figures, so credibility cannot be fully assessed. OEM service for known brands is reported, but no specific customer names or cases are provided.

Supplier typeThe supplier identifies itself as a battery supplier and reports R&D, OEM/ODM, and production capabilities. Its offerings indicate a manufacturer capable of customized battery development and supply rather than only a trading or distribution role.

CertificationsThe supplier reports sustainable-development and product certification capability covering UL, FCC, CE, and RoHS. However, certification of supplier management systems is explicitly listed as NIL, so the evidence supports product-related certification capability but not certified management systems.

After-Sales capabilityThe supplier states that all products have a one-year warranty and offers debugging, maintenance, and training. However, service assessment and complaint-handling procedures have no written records, and corrective-action records are also absent, indicating service offerings exist but documentation and control are incomplete.

R&D capabilityThe supplier reports an R&D department, two years of total R&D-engineer experience, new products within the past year, and ODM services. It also reports no available SDK, but this does not negate its stated product-development capability for battery customization and ODM work.

Production capacityThe supplier reports two production lines, more than 70 automatic machines in an associated factory, and a stated capacity of at least 50,000 batteries per day. It also has valid manufacturing contracts with associated subcontractors and in-stock capability, providing explicit evidence of production capacity.

Customization capabilityThe supplier explicitly provides customization from samples, designs, full customization, minor customization, and flexible customization. These services are consistently reported across both R&D and design-capability records, supporting broad customization capability.