What should I do if the fan is too loud?

Check for loose screws causing vibration, remove dust buildup, lower the RPM via software, or consider switching to a hydraulic bearing type.

Is the product customizable?

Yes, we offer full customization including OEM/ODM services, allowing customization from samples, designs, or specific technical requirements.

What certifications does the fan have?

The fan is certified with RoHS, ISO, CE, and FCC standards, ensuring quality and safety for various industrial and consumer applications.

50X50X5mm High Efficiency Mini DC Blower Fan for New Energy Vehicle Battery Cooling

Name: 50X50X5mm High Efficiency Mini DC Blower Fan for New Energy Vehicle Battery Cooling
Brand: Fengxia Motor (Shanghai) Co., Ltd.
SKU: 2152066082

Shanghai, ChinaFengxia Motor (Shanghai) Co., Ltd.

US$2.50

500-4,999 Pieces

US$1.80

5,000+ Pieces

Sample price:US$4.00/piece.Request sample

Product profile

Customization

Available

Material

Plastic-Iron-Copper-Magnet

Blade Material

PBT 94ulv

Model NO.

5005

Type

DC Blower Fan

Electric Current Type

Mounting

Free Standing

Certification

RoHS, ISO, CE

Insulation Resistance

10mωor Over with at DC250V Megger

Ielectric Withstand Voltage

AC500V1s

Ambient Temperature

-10℃~+70℃(Operating) -40℃~+70℃(Storage)

Expected Life

+40° ,30000 Hours

Transport Package

Paper Box

Specification

Customized

Trademark

FUNSHARE

Origin

China

Production Capacity

100000 Pieces/Year

Key features

High Efficiency Cooling: Designed for stable operation and extended service life in battery cooling applications.

Compact Mini Design: Dimensions of 50x50x5mm ensure portability and easy integration into tight spaces.

Ultra-Quiet Operation: Features advanced bearing options to minimize noise for comfortable daily and office use.

Wide Voltage Tolerance: Operates reliably within a 5V-13V range, offering flexibility in power connections.

Durable Bearings: Available in sleeve, hydraulic, and double-ball types for varying lifespan and noise needs.

Certified Quality: Meets RoHS, ISO, CE, and FCC standards with 100% finished product inspection.

Full Customization: Supports OEM/ODM services, including customization from samples, designs, or full specs.

Versatile Application: Suitable for UAVs, automotive, medical, and consumer electronics cooling scenarios.

Company profile

Importers and ExportersHigh Repeat Buyers Choice

Fengxia Motor (Shanghai) Co., Ltd.

Shanghai, 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: 5 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤2.66h

AI-Powered supplier vetting

SummaryThe supplier demonstrates strong customization, R&D, OEM/ODM, quality-control, and complaint-handling capabilities. It reports new products within the past year, provides customization from samples and designs through full customization, and serves known brands through OEM. Production includes two lines, inventory capability, defined inspection procedures, and four QA/QC inspectors. However, important operational limitations exist: no available SDK, no overseas agents, branches, warehouse, or showroom, no offline trade-show participation, and only one experienced export-trade employee. Manufacturing controls also show gaps, including no ongoing quantity reconciliation for each batch and no standard operating procedure for outsourced manufacturing. Financial evidence is represented only by years rather than substantive indicators, so credibility cannot be determined. The supplier holds an ISO9001:2015 certificate, but the available information does not establish broader certification coverage.

Supplier typeThe supplier operates as a manufacturer with two production lines, provides OEM and ODM services, offers inventory capability, and accepts FOB and EXW quotations. It also provides full customization, but lacks overseas agents, branches, warehouses, and showrooms.

CertificationsThe supplier reports an ISO9001:2015 certificate. No additional specific certifications are identified in the provided information.

After-Sales capabilityThe supplier has documented and followed procedures for customer complaints and corrective/preventive actions, supporting an established service-response process. However, it has no overseas agents, branches, warehouse, or showroom, which limits demonstrated overseas service infrastructure.

R&D capabilityThe supplier reports new products in the past year, provides ODM services, and assigns R&D personnel to product development, design drawings, production support, and specifications. Nevertheless, it has no available SDK and no design input, output, review, validation, or confirmation documents available for audit.

Production capacityProduction evidence includes two production lines, inventory capability, one-month average lead times in both peak and off-season periods, four QA/QC inspectors, written finished-product inspection instructions, and multiple listed production machines. Controls are weakened by the absence of ongoing batch quantity reconciliation and a standard operating procedure for outsourced manufacturing.

Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, and full customization, with the same capability reported under both R&D and design services. This directly demonstrates broad customization coverage.

Product Q&A

Q:What is the expected lifespan of the fan?

Lifespan depends on the bearing type: Sleeve bearings last ~2-3 years, hydraulic bearings ~4-5 years, and double-ball bearings can last 5-10 years with 24/7 tolerance.

Q:How can I reduce fan noise?

Use rubber grommets instead of screws to reduce vibration, lower voltage with a resistor, or adjust the BIOS fan curve to keep RPM low until temperatures rise.

Q:What is the difference between 3-pin and 4-pin connectors?

3-pin uses DC voltage control for fixed or stepped speeds. 4-pin uses PWM for auto speed control, offering quieter and more precise operation.

Q:Why does the fan spin at 5V if the label says 12V?

The motor has a wide voltage tolerance (5V-13V). It may not start below ~7V but will spin at lower voltages with reduced performance.

Q:How do I determine the correct airflow direction?

Look for arrows on the frame: arrows pointing out indicate exhaust, while arrows pointing in indicate intake. Generally, front/side is intake and rear/top is exhaust.