What trade terms do you support?

We support EXW, FOB, CIF, DDU, and DDP depending on your needs.

How quickly can I get a quotation?

We usually quote within 8 hours after receiving your inquiry. For urgent requests, please call or mention it in your email for priority handling.

Is customization available for logos and designs?

Absolutely, OEM & ODM services are warmly welcome, allowing for full customization of logos, shapes, and sizes.

Rechargeable 850mAh 3.7V Lithium Ion Battery for Smart Door Lock

Name: Rechargeable 850mAh 3.7V Lithium Ion Battery for Smart Door Lock
Brand: Hubei Everwin New Energy Co., Ltd.
SKU: 2133950002

Hubei, ChinaHubei Everwin New Energy Co., Ltd.

US$0.80

50-999 Pieces

US$0.70

1,000-4,999 Pieces

US$0.60

5,000-19,999 Pieces

US$0.50

20,000+ Pieces

Sample price:US$5.00/piece.Request sample

Product profile

Type

Li-ion Battery

Cathode Material

LCO

Rechargeable

Yes

Model NO.

pouch cell

Size

Medium

OEM& ODM

Available

Warranty

24months

Operating Temperature

-20℃~ 60℃

Voltage

3.7~4.2V

Transport Package

Inner Box

Trademark

Everwin

Origin

China

HS Code

8507600090

Key features

OEM & ODM Customization: Full customization support including logo, shape, and size for diverse applications.

High Energy Density: Pouch cell design offers 20-30% weight reduction and 15% higher space utilization.

Long Cycle Life: 800-1500 charge-discharge cycles with over 80% capacity retention.

Enhanced Safety: Aluminum-plastic film swells instead of exploding during internal short circuits.

Low Self-Discharge: Less than 2% monthly self-discharge rate ensures long-term storage stability.

Wide Application Scope: Suitable for consumer electronics, power tools, EVs, and energy storage systems.

15 Years Experience: Comprehensive manufacturer with over 15 years in R&D and production.

Certified Quality: Products certified with CE, RoHS, IEC, CB, UL, and ISO9001 standards.

Company profile

Importers and ExportersFast DeliveryFull Customization100% Finished Products Inspection

Hubei Everwin New Energy Co., Ltd.

Hubei, China

Business Type: Manufacturer/Factory CertifiedCustomization Options: Full Customization, Flexible customization, etc. CertifiedExport Year: 1 Year CertifiedNearest Port: Shanghai PortAverage Response Time: ≤1.24h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryThe supplier is described as a comprehensive lithium battery manufacturer with stated experience in R&D, design, production, sales, and services. It offers full, minor, and flexible customization, and accepts multiple quotation and payment terms. However, the evidence indicates limited operational infrastructure: one quality inspector, no inventory, overseas warehouse, showroom, agent, or branch capability, and no participation in offline trade shows. Quality controls include a stated quality assurance system, but finished products are checked by packing staff, raw materials lack traceability identification, and complaint handling and corrective-action procedures are undocumented. Innovation evidence is weak because no new product was reported in the past year and ODM, OEM, and SDK services are unavailable. Financial records provided show zero values for reported revenue, costs, profits, and cash-flow items, which raises concerns but does not independently establish the cause.

Supplier typeThe supplier is described as a comprehensive lithium battery manufacturer covering R&D, design, production, sales, and services. Its listed business scope also includes distribution and control equipment, mechanical and electrical equipment, batteries, charging piles, photovoltaic equipment, electronic materials, and domestic trade agency, indicating a diversified energy and equipment-oriented supplier profile.

After-Sales capabilityAfter-sales and service infrastructure appears limited: there is no written service-capability assessment or corrective-action procedure, no approved service-supplier list, no inventory, overseas warehouse, showroom, agent, or branch, and no overseas service countries reported. Complaint handling also lacks written procedures or records, although stated peak- and off-season lead times are both one month.

R&D capabilityThe company description claims R&D and design activities and more than 15 years of experience, but the supplier reported no new product in the past year. It also does not provide ODM services, OEM services for popular brands, or an available SDK, so current evidence of product innovation and integration capability is limited.

Customization capabilityThe supplier explicitly reports full customization, minor customization, and flexible customization capabilities. This directly supports a broad ability to adapt products or designs to customer requirements.

Product Q&A

Q:Are you a manufacturer or a trading company?

Hubei Everwin New Energy Co., Ltd. is a comprehensive lithium battery manufacturer with over 15 years of experience, specializing in the R&D, design, production, sales, and services of lithium-ion batteries.

Q:What is the lead time for orders?

The average lead time is one month for both peak season and off-season.

Q:What are the payment terms?

We support LC, T/T, D/P, PayPal, Western Union, and Small-amount payment.

Q:Can I get a sample before placing an order?

For non-customized samples, we offer free samples but charge for express fees. For customized samples, we charge for both sample and express fees, which are refunded upon bulk order placement.

Q:What is the Minimum Order Quantity (MOQ)?

There is no MOQ for non-customized batteries; any quantity is available. The general minimum order quantity is 50 pieces.

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Rechargeable 850mAh 3.7V Lithium Ion Battery for Smart Door Lock

Product profile