3-INCH HANDHELD SERIES
EF1904C 3-Inch Rechargeable DC Handheld Fan
A compact personal fan designed for portable cooling with a 180° foldable head, three airflow levels and a 2000mAh rechargeable battery. Its 150g body and small retail pack make EF1904C suitable for seasonal programs, travel accessories, promotional projects and private-label sourcing.
Who We Work With as a Trusted Small Appliance Manufacturer
With strong capabilities in product development, PCBA customization, software programming, and mass production, E-come helps customers bring competitive small home appliances to market with consistent quality, flexible customization, and dependable supply.
We support global brand owners, distributors, retailers, importers, and e-commerce businesses with reliable OEM & ODM manufacturing solutions.
- Home Appliance Brands
- Retail Chains
- Importers
- Amazon Sellers
- Internet Celebrity
PRODUCT DETAILS
Compact by design, practical in everyday use.
EF1904C combines portable size, useful airflow and rechargeable convenience without adding unnecessary complexity. For buyers comparing mini fan manufacturers or portable fan manufacturers, the product is easy to understand, easy to pack and suitable for a broad range of personal cooling programs.
180° Foldable Head
The fan head can rotate left up to 180° with continuous angle adjustment. Fold it down to reduce the overall height from 190mm to 134mm for easier storage and transport.
3-Level Personal Airflow
Low, medium and high settings cover an airflow range of approximately 3.3–5.1m/s, giving users simple control without overcomplicated operation.
2000mAh Rechargeable Battery
A single 18650 lithium cell provides portable operation for travel, commuting and daily personal cooling. The battery specification is 2000mAh at 3.7V.
Approx. 150g Lightweight Body
The compact body weighs only about 0.15kg, helping buyers position the model as an easy-carry rechargeable handheld fan for bags, desks and seasonal gift programs.
Up to Approx. 9 Hours Runtime
Reference continuous use time is approx. 2.5h on high, 4.5h on medium and 9h on low, with the stated production tolerance under specified test conditions.
Multiple Safety Protections
The battery and control board include overcharge and over-discharge protection, while the motor includes stall protection for safer rechargeable operation.
Reference Performance Data
Air Speed Range
3.3–5.1m/s
Reference airflow range · 3 levels
Rotation Speed
3500–4200r/min
Reference motor speed range · ±10%
Reference Charging Time
Approx. 4h
Reference charging time · ±0.5h
Total Operating Time
2.5–9h
Reference continuous runtime by speed level
PATENT PORTFOLIO
Protectable design,
documented clearly.
From concepts and drawings to prototypes and development records, Ecome documents each key R&D stage clearly. NDA protection and structured documentation help safeguard your designs and intellectual property.
PRODUCT CERTIFICATIONS
Compliance information
buyers can verify.
Ecome provides clear and verifiable compliance information for different markets. Depending on the product, certifications may include CE, RoHS, CB, ETL, GS, KC, and PSE, helping buyers confirm regulatory readiness with confidence.
⦁ KC (Korea)
⦁ PSE (Japan)
⦁ CE / CB / GS (Europe)
⦁ ETL (North America)
Products are designed and tested according to target market regulations to ensure compliance from development to delivery.
ABOUT THE MANUFACTURER
Made for long-term B2B cooperation, not one-off transactions.
As a reliable customized fan manufacturer, E-come supports customers beyond simple production. Our engineering team responds quickly to technical requirements, develops samples efficiently, and works closely with customers from concept validation to mass production. We also offer flexible small-batch production and rapid response capabilities, helping customers test new products, respond to market changes, and replenish inventory efficiently. Quality is controlled at every stage through incoming material inspection, in-process quality control, functional testing, and final inspection before shipment. In addition, E-come has comprehensive supplier audit and factory inspection capabilities, supporting customers with supplier qualification, factory assessment, production capacity verification, quality system evaluation, and ongoing supplier performance management. We also prepare complete export documents and compliance materials to support smooth international delivery. With responsive engineering, small-order flexibility, professional supplier auditing, disciplined quality management, and dependable execution.
COOPERATION PARTNERS
Trusted relationships,
presented quietly.
Ecome works closely with long-term partners across Europe, North America, Japan, South Korea, and Southeast Asia. Through reliable product development, manufacturing, and delivery, we help customers bring their products to markets around the world.
COOPERATION CASES
Show the buyer problem,
our solution and the result.
Ecome has supported numerous customers in turning product ideas into successful market-ready solutions. From solving technical challenges and developing customized functions to prototyping, testing, and mass production, our team helps customers launch differentiated products with greater speed, reliability, and market competitiveness.
FAQ
Answers procurement teams usually need before sampling.
How compact is EF1904C when folded?
The expanded product size is 92 × 79 × 190mm. After rotating the head for storage, the folded size is 92 × 79 × 134mm, which helps reduce the product’s carrying and storage footprint.
What is the airflow performance across the three speed levels?
The reference airflow range is approximately 3.3–5.1m/s. The motor speeds are 3500rpm on low, 3800rpm on medium and 4200rpm on high, with the stated production tolerance.
How long can the rechargeable handheld fan run?
Reference continuous runtime is approximately 2.5 hours on high, 4.5 hours on medium and 9 hours on low. Actual runtime can vary with battery condition, environment and production tolerance.
What battery does the product use?
EF1904C uses one 18650 rechargeable lithium battery rated at 2000mAh and 3.7V. The supplied specification states at least 300 charge/discharge cycles while retaining at least 80% capacity under the defined test conditions.
What safety protection is included?
The battery and circuit board include overcharge and over-discharge protection, and the motor includes stall protection. Final market compliance should be confirmed with the approved battery and finished-product test reports.
Can the product be customized for OEM or wholesale projects?
Yes. The page is structured for OEM and wholesale rechargeable fan programs. Typical project options may include product color, logo, color box and user manual, subject to your factory’s actual MOQ and engineering evaluation.
What comes in the standard package?
The standard accessory list provided for this model includes one 1-meter USB charging cable and one user manual. The supplied color box size is 96 × 83 × 137mm.
B2B INQUIRY
Need samples, OEM options or compliance documents?
Tell us your market, expected quantity, target certification and customization needs. We can prepare the product specification and quotation structure for your sourcing review.