What is the lead time for production?

The average lead time is within 15 workdays for both peak and off-peak seasons.

What is the motor efficiency?

The motor has an efficiency rating of 89%.

What are the available payment terms?

We accept LC, T/T, D/P, Western Union, PayPal, and small-amount payments.

High-Performance 70141 50kg Thrust 3.5kw IP68 Waterproof Brushless Motor for Efoil and Hydrofoil System

Name: High-Performance 70141 50kg Thrust 3.5kw IP68 Waterproof Brushless Motor for Efoil and Hydrofoil System
Brand: Dongguan FreeRcHobby Co., Ltd
SKU: 2319431235

Guangdong, ChinaDongguan FreeRcHobby Co., Ltd

US$280.00

20-49 Pieces

US$275.00

50-99 Pieces

US$260.00

100-199 Pieces

US$240.00

200+ Pieces

Sample price:US$285.00/piece.Request sample

Product profile

Customization

Available

Application

Universal, Industrial, Household Appliances, Power Tools

Operating Speed

Adjust Speed

Model NO.

70141

Excitation Mode

Shunt

Function

Driving

Casing Protection

Explosion-Proof Type

Structure and Working Principle

Brushless

Type

Max. Rpm

14500

Effiency

89%

Peak Current

220A

Max Thrust

55kg

Motor Weight

1.9kg

Torque

9n.M

Li - Po

12s-22s

Protect Feature

Waterproof

Construction

Brushless Motor

Kv

100-320

ESC

75V 300A

Continuous Current

130A

Idle Current

1.7A

Transport Package

Foam Box with Carton Box

Specification

70mm x 141mm

Trademark

EVCRAFT

Origin

Dongguan Guangdong China

HS Code

8503009090

Production Capacity

100000PCS/Year

Key features

High Efficiency Motor: Brushless motor with 89% efficiency for optimal energy conversion.

Powerful Thrust Output: Delivers 55kg max thrust with 9N.m torque for superior propulsion.

Wide Speed Range: Adjustable speed with KV 100-320 and max RPM of 14500.

Robust Protection: Explosion-proof casing with waterproof features for safety.

Versatile Application: Suitable for efoils, surfboards, jetboards, boats, and underwater scooters.

Flexible Customization: Offers full customization, minor customization, and design-based options.

Low Idle Current: Only 1.7A idle current ensures energy efficiency during standby.

Compact Design: Small dimensions of 70mm x 141mm and lightweight at 1.9kg.

Company profile

High Repeat Buyers ChoiceR&D CapabilitiesQuality Assurance

Dongguan FreeRcHobby 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. CertifiedExport Year: 2 Years CertifiedNearest Port: Shenzhen PortAverage Response Time: ≤5.01h

AI-Powered supplier vetting

SummaryDongguan FreeRcHobby Co., Ltd is a China-based limited company established in 2023 with 41 employees. It operates in electronic and electromechanical components and offers brushless motors and ESC products. The supplier reports ISO9001:2015 certification, professional technical R&D capability, 3D design and SDK support, and multiple customization options. Production information includes three production lines, brushless motor output of 200,000 pieces, auto-winding, CNC, and dynamic-balance facilities, and documented finished-product inspection procedures. It reports inventory, overseas warehouse, showroom, and manufacturing-capacity contract capabilities. However, the available evidence is limited regarding after-sales service, financial credibility, and customer cases. Exporting began one year ago, although exports reportedly account for 71%–90% of total sales.

Supplier typeThe supplier is a China-based limited company with a combined business type, 41 employees, and business activities covering electronic components, electromechanical component equipment, electronic products, and sports goods. Its listed products include brushless motors and an ESC, indicating a manufacturer or supplier focused on electronic and electromechanical products.

CertificationsThe supplier reports holding an ISO9001:2015 certificate. This is explicit evidence of a certified quality management system, although the provided information does not include the certificate issuer, validity period, or scope.

R&D capabilityThe supplier identifies itself as a professional technical supplier and reports R&D capability, 3D software design services, SDK availability, three years of total R&D engineer experience, and facilities including auto-winding, CNC, and dynamic-balance equipment. These capabilities support technical development, but the slices do not provide specific patented technologies, product-development results, or engineer headcount.

Production capacityThe supplier reports three production lines, brushless motor output of 200,000 pieces annually, auto-winding, CNC, and dynamic-balance facilities, four quality assurance and quality control inspectors in one record, and six to ten quality-control staff in another. It also reports valid manufacturing-capacity contracts with associated subcontractors and inventory capability, providing explicit evidence of production resources, although inspection is described as random.

Customization capabilityThe supplier explicitly offers customization from samples, designs, full customization, minor customization, and flexible customization, together with 3D software design services. This indicates broad stated support for customer-specific product development.