What is your payment term?

30% deposit in advance, and balance paid before delivery arranged.

How do you control the quality?

We have established a comprehensive quality control system (including IQC, IPQC, and OQC) that spans incoming materials, manufacturing processes, and finished products.

Custom Thin 3.7V 400mAh 503030 Polymer Battery for Smart Wearable Devices

Name: Custom Thin 3.7V 400mAh 503030 Polymer Battery for Smart Wearable Devices
Brand: Dongguan APTPES Co., Ltd.
SKU: 2165693852

Guangdong, ChinaDongguan APTPES Co., Ltd.

US$0.70-0.90

5,000 Pieces

Product specifications

503030-3.7V 400mAh

Sample price:US$2.00/piece.Request sample

Product profile

Customization

Available

Type

Li-ion Battery

Cathode Material

NCM

Model NO.

503030-3.7V 400mAh

Rechargeable

Yes

Size

Small

Battery Type

Li-Polymer Battery

Nominal Voltage

3.7V

Nominal Capacity

500mAh (400mAh - 999mAh Available)

Shape

Pouched / Flexible Softpack

Specifications

Thickness Max 5.2mm * Width Max 30.5mm * Length Ma

Certification

Kc, CE, RoHS, Reach, Un38.3, MSDS

MOQ

2000PCS

Cycle Life

300 Times, Depending on Charge&Discharge Frequenc

OEM

Available

Sample Time

Depending on Order Arrangement

Factory Audit

Acceptable

Connector

Custom

Cable

Custom

Payment

Transport Package

Custom

Specification

Thickness Max 5.2mm * Width Max 30.5mm * Length Ma

Trademark

APTPES or OEM

Origin

China

HS Code

8507600090

Production Capacity

2000000PCS/Month

Key features

UL & CE Certified Safety: Certified by UL, CE, KC, IEC, CB, MSDS, and UN38.3 for global safety compliance.

Flexible Customization: Customizable size, capacity, packing, label, connector, and cable based on design or samples.

Advanced Protection System: PCM protects against overcharge, over-discharge, over-current, short circuit, and thermal issues.

High Cycle Life: Delivers 300 to 400 charge-discharge cycles with Grade A cells for long-term reliability.

ISO Certified Manufacturer: 12 years experience with ISO9001:2015 and ISO14001 certified production facilities.

Wide Application Range: IoT Nodes and smart sensor devices, Bluetooth gaming controllers and headsets, Portable mdeical wearables, Smart fingerprint locks.

Competitive Factory Price: Direct manufacturer pricing with high quality and flexible customization options.

Fast Sample & Production: Sample time and lead time arranged based on order specifics with 18 production lines.

Company profile

Product CertificationStandardized quality controlOEM ServicesR&D Capabilities

Dongguan APTPES Co., Ltd.

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.Average Response Time: ≤3.09h CertifiedTerms of Payment: T/T, LC, PayPal, etc. CertifiedInternational Commercial Terms(Incoterms): FOB, EXW, CIF, CFR

AI-Powered supplier vetting

SummaryThe supplier demonstrates strong R&D and customization capabilities, offering comprehensive design services and maintaining a stable relationship with leading tech companies. They have robust quality assurance systems and effective customer complaint mechanisms. However, they lack overseas warehousing and showroom facilities, and their overseas service presence is minimal. Financial credibility is not assessed, and while they participate in trade shows, they do not have a local presence abroad.

Supplier typeThe supplier offers comprehensive energy solutions and maintains long-term relationships with well-known chip and cell manufacturing companies.

After-Sales capabilityThe supplier has clear procedures for corrective and preventive actions and effective handling of customer complaints, supported by a dedicated R&D team.

R&D capabilityThe supplier values technological innovation, with a strong R&D team and recent new product developments.

Production capacityThe supplier has OEM and ODM services and valid manufacturing contracts but lacks SDK availability.

Customization capabilityThe supplier offers extensive customization options, including ODM and OEM services, and provides 3D design services.

Product Q&A

Q:Are you a trading company or factory?

We're ISO manufacturer with 12000m2 workshop and monthly capacity of 3.5 million lithium battery cells.

Q:Do you have any certifications?

Yes. We have certifications like CE, UL, KC, CB, IEC, UN38.3, MSDS etc. Available for export.

Q:Do you provide OEM and ODM services?

Yes OEM and ODM are both available.

Q:How can I get a sample?

You can place a sample order so that we can proceed it until you get it.

Q:What is the lead time?

With item in stock, we can arrange delivery right away. If we don't have stock, we will estimate the lead time according to your specs, quantity and other requirements. In a word, we will do our best to ensure delivery in time for you.