Powered by Made-in-China.com
4 in 1 12V Waterproof Switch Panel with LED Digital Voltmeter Cigarette Lighter for Car Marine RV Boat
US$7.50
100-199 Pieces
US$7.00
200+ Pieces
Sample price:US$9.00/piece.Request sample
Product profile
Customization
AvailableUsb Number
2Certification
CE, RoHSModel NO.
MP-4in1-AUsage
Car MarineInterface
USBColor
BlueInput Voltage
DC 12VMaterial
ABSFunction
Overcharge ProtectionTransport Package
White BoxSpecification
RoHs ApprovedTrademark
OEMOrigin
Zhejiang ChinaHS Code
85444211Production Capacity
30000PCS/MonthKey features
4-in-1 Multifunction Design: Integrates dual USB charger, LED voltmeter, cigarette lighter, and rocker switch in one panel.
Waterproof Dual USB Charging: Dual ports output 5V/2.1A each, auto-detecting devices for optimal simultaneous charging speed.
Real-Time LED Voltmeter: Large digital display monitors battery voltage range from 5V to 48V for car or boat safety.
Overcharge Protection: Built-in protection against overheating, over-current, and over-charging for device safety.
Durable Rocker Switch: Long lifespan up to 10,000 cycles with easy-to-use rocker style design.
Customizable Material and Function: Material is ABS and function includes overcharge protection, customizable per requirement.
Versatile Application: Suitable for cars, marine vessels, RVs, and boats with DC 12V/24V input voltage.
OEM Branding Support: OEM services available to customize products with your specific brand logo.
Company profile

CertifiedBusiness Type: Trading CompanyExport Year: 2010-11-01 CertifiedNearest Port: Ningbo Port, Shanghai PortAverage Response Time: ≤2.94h CertifiedTerms of Payment: LC, T/T, D/P, etc. CertifiedInternational Commercial Terms(Incoterms): FOB, CIF, CFR, EXW
AI-Powered supplier vetting
SummaryNingbo Yinzhou Join Industry Co., Ltd. is identified as a China-based trading company established in 2006, with 17 employees and operations in Ningbo, Zhejiang. It specializes in wires, cables, audio equipment, connectors, and related products, while the records also show trade activity involving particle-board audio-rack components. The supplier reports one production line, a 506.0 m² manufacturing plant, six to ten quality-control staff, and one year of R&D-engineer experience. It exports extensively, with exports representing 90% of total sales, and offers FOB, CIF, and CFR quotation terms. The supplier states that it provides OEM, research, design, and sales support, but the evidence does not establish the depth of its customization infrastructure or after-sales processes. No supplier management-system certification is reported. The provided records contain trade and product references but do not identify named customer cases.
Supplier typeThe supplier is explicitly classified as a Trading Company and Limited Company in Ningbo, China. Its stated business scope centers on international foreign trade in wires, cables, audio systems, amplifiers, mixers, megaphones, connectors, and related products, indicating a trading-led business model rather than a clearly demonstrated manufacturing-specialist profile.
CertificationsThe supplier management-system certification field is explicitly recorded as NIL. Therefore, the provided evidence does not show possession of management-system certifications.
Production capacityThe supplier reports one production line, a 506.0 m² manufacturing plant, six to ten quality-control staff, and one-month lead times in both off-peak and peak seasons. These records demonstrate an operating production setup and stated delivery capacity, although they do not establish large-scale capacity or detailed process capability.
Customization capabilityThe supplier explicitly promotes OEM service and tailored research and design for specific customer requirements, and its product scope includes audio and cable products. However, no examples, engineering resources, tooling details, or customization projects are provided to verify the depth of this capability.
Product Q&A
Q:What is the input voltage range?
A:
The panel supports DC 12V and 24V input voltage.
Q:Does the USB charger support fast charging?
A:
Yes, it features dual USB ports with 2.1A output each, totaling 4.2A, and auto-detects devices for optimal speed.
Q:Is the product waterproof?
A:
Yes, the USB charger socket and cigarette lighter socket are built with waterproof seals.
Q:Can I customize the product with my brand?
A:
Yes, OEM services are available, and customization can be done according to your requirements.
Q:What is the lifespan of the rocker switch?
A:
The LED on-off rocker switch has a long lifespan of up to 10,000 cycles.
Send Inquiry
*To:
Ningbo Yinzhou Join Industry Co., Ltd.
Ningbo Yinzhou Join Industry Co., Ltd.*Content:
Supplier replies will be sent to your registered email
You may also like
Waterproof 12-24V DC Voltage Digital Display Charging Switch Panel
US$7.80-8.30
200 Pieces(MOQ)
3 Gang Marine Ignition Toggle Rocker Switch Panel with LED Voltmeter 4.2A Dual USB Charger Socket Adapter
US$1.40-2.10
100 Pieces(MOQ)
LED Backlit USB Charger Panel with Voltmeter for Automotive
US$1.00
10 Pieces(MOQ)
Dual USB Charger Power Cigarette Lighter Voltmeter 4 Hole Panel
US$6.80-7.85
50 Pieces(MOQ)
Durable IP66 Waterproof USB Charger Panel with Voltmeter
US$1.00
10 Pieces(MOQ)
12V Waterproof Combined 4 Gang Switch Fast Charging Panel
US$7.80-8.30
200 Pieces(MOQ)
Waterproof Dual USB Charger Port Rocker Panel with Digital Voltmeter Cigarette Lighter Socket
US$6.00-6.50
100 Pieces(MOQ)
12V USB Fast Charging 5 Rocket Switch Marine Panel
US$10.00-11.00
200 Pieces(MOQ)
Premium Aluminum Alloy USB Charger Panel with Voltmeter
US$1.00
10 Pieces(MOQ)
Switch Panel with Volt Meter Dual USB Socket Charger Cigarette Lighter Socket
US$6.50-7.00
100 Pieces(MOQ)
12V Independent on-off Switch Car Charging Panel
US$1.60-2.00
200 Pieces(MOQ)
High Precision Digital Voltmeter and Ammeter USB Charger Panel
US$1.06
10 Pieces(MOQ)
4in1 Multifunction Switch Panel with Volt Meter Dual USB Socket
US$7.30-7.80
100 Pieces(MOQ)
5V 3.1A Dual 12V USB Charger Power Outlet Motorcycle Car Charger One Hole Surface Mount Panel Tent
US$0.50-1.00
50 Pieces(MOQ)



















