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Uli 3.7V 4000mAh Cylindrical Battery Cell for Power Tools Electric Devices
US$3.60
100-499 Pieces
US$3.55
500-999 Pieces
US$3.52
1,000+ Pieces
Product profile
Customization
AvailableType
Li-ion BatteryCathode Material
LMOModel NO.
21700-JP40Rechargeable
YesSize
MediumCycle Life
600+ CyclesWarranty
1 YearOperating Temperature
-20°C~60°CTransport Package
as RequestedSpecification
3.7V 4000mAhTrademark
ULiOrigin
Guangdong, ChinaHS Code
85076000Production Capacity
10000pieces/MonthKey features
High Capacity Battery: 3.7V 4000mAh Li-ion battery designed for power tools and scooters.
Durable Cycle Life: Provides over 600 charge cycles for long-term reliable performance.
Customization Available: Offers OEM/ODM services and customized packaging for bulk orders.
Comprehensive Warranty: Includes 1-year warranty on the specific battery model.
Flexible Payment: Accepts T/T, L/C, PayPal, Western Union, and small-amount payments.
Company profile
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: ≤1.54h
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.
Product Q&A
Q:What energy storage batteries do you offer?
A:
We offer residential, commercial, and industrial energy storage batteries.
Q:What payments do you accept?
A:
T/T, L/C, PayPal, and other secure methods.
Q:Can I customize orders?
A:
Yes, OEM/ODM is available for bulk orders.
Q:What's the warranty?
A:
1 year warranty for our batteries.
Q:How is battery quality ensured?
A:
Strict testing is done before every shipment.
Send Inquiry
*To:Dongguan Youli Electronic Technology Limited
*Content:
Supplier replies will be sent to your registered email
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