Marine Industry

Overcoming Challenges in Marine Power Systems

The marine environment presents unique challenges for electrical systems, requiring solutions that are corrosion-resistant, waterproof, and shockproof. Additionally, maritime electrical systems must comply with stringent safety regulations to ensure the protection of both vessels and personnel. Welltron provides advanced power inverters and battery chargers designed to meet these challenges, ensuring reliable and efficient power management at sea.

Welltron’s Power Solutions in Marine Applications

Welltron’s power inverters, pure sine wave inverters, and battery chargers serve multiple essential functions in the marine industry, including:

1. Powering Onboard Equipment

Power inverters convert DC battery power into AC electricity, supplying energy to lighting systems, computers, communication devices, navigation instruments, and kitchen appliances. Pure sine wave inverters deliver stable AC power, making them ideal for sensitive equipment such as medical devices, laboratory instruments, and precision navigation systems.

2. Emergency Backup Power

In case of primary power failure, Welltron’s inverters act as an emergency power source, ensuring continuous operation of critical systems such as navigation, lighting, and communication.

3. Shore Power Connection

When docked, Welltron’s inverters facilitate seamless power conversion from shore AC to onboard DC power, charging batteries and directly powering marine equipment.

4. Supporting Underwater Operations

Welltron’s power inverters supply energy to underwater robots, submersibles, and other deep-sea equipment for exploration, maintenance, and research applications.

5. Offshore Platforms and Marine Facilities

Inverters and battery chargers play a crucial role in offshore structures such as oil rigs and wind farms, supplying power to lighting, communication, and safety systems.

6. Scientific Research and Monitoring Equipment

Welltron’s pure sine wave inverters provide stable power for marine research devices and water quality monitoring equipment, ensuring accurate and reliable data collection.

Why Choose Welltron?

As a pioneer in power inverters and battery chargers, Welltron delivers industry-leading performance, backed by over 40 years of experience in electronics manufacturing. Our core strengths include:
  • True sine wave inverters that enhance motor performance, eliminate system glitches, and ensure seamless operation of sensitive electronics.
  • 4-stage smart battery chargers for safe and efficient charging of lead-acid and gel-cell batteries.
  • Fast time-to-market with strong R&D expertise.
  • Proven reliability, with millions of units shipped worldwide.
  • Comprehensive customer support and mass production capabilities.

Recommended Welltron Products for Marine Applications


Welltron is committed to delivering high-quality, reliable, and innovative power solutions for the marine industry. Contact us today to find the perfect power solution for your vessel!

12V/120A Battery Charger

WSC-12120 is an AC-to-DC 12V 120Amp with a built-in 4-stage smart battery charger - high-efficiency, compact, lightweight, and multiple protection design ideal for all kinds of Lead-Acid/GEL/AGM batteries.

Key Features:

● Fully automatic 4-stage chargers (I-Uo-U-Equalization)
● Full range AC input.
● High efficiency.
● Microprocessor controller inside.
● The battery charger and power supply mode is selectable.

12V/80A Battery Charger

WSC-1280 is an AC-to-DC 12V 80Amp with a built-in 4-stage smart battery charger - high-efficiency, compact, lightweight, and multiple protection design ideal for all kinds of Lead-Acid/GEL/AGM batteries.

Key Features:

● Fully automatic 4-stage chargers (I-Uo-U-Equalization).
● Full range AC input.
● High efficiency.
● Microprocessor controller inside.
● The battery charger and power supply mode are selectable.

24V/40A Battery Charger

WSC-2440 is an AC-to-DC 24V 40Amp with a built-in 4-stage smart battery charger - high-efficiency, compact, lightweight, and multiple protection design ideal for all kinds of Lead-Acid/GEL/AGM batteries.

Key Features:
● Comptiblea with all types of lead-acid batteries.
● Full range AC input
● High efficiency
● Built-in microprocessor controller.
● Battery charger and power supply mode selectable.

12V/50A Battery Charger

WSC-1250 is an AC-to-DC 12V 50A smart battery charger with a built-in 4-stage design: high-efficiency, compact, lightweight, and multiple protection, ideal for all kinds of industry battery charging: Lead-Acid/GEL/AGM batteries.

Key Features:
● Fully automatic 4-stage chargers (I-Uo-U-Equalization)
● Full range AC input.
● High efficiency.
● Microprocessor controller inside.
● The battery charger and power supply mode are selectable.

24V/25A Battery Charger

WSC-2425 is an AC-to-DC 24V 25A smart battery charger with a built-in 4-stage design: high-efficiency, compact, lightweight, and multiple protection design ideal for all kinds of commercial Lead-Acid/GEL/AGM batteries.

Key Features:
● Fully automatic 4-stage chargers (I-Uo-U-Equalization)
● Full range AC input.
● High efficiency.
● Microprocessor controller inside.
● The battery charger and power supply mode are selectable.

12V/30A Battery Charger

WSC-1230 is AC-to-DC 12V 30Amp charger with built-in 4 stage smart battery - high-efficiency, compact, lightweight and multiple protection design ideal for all kind of Lead-Acid/GEL/AGM batteries.

There is a microprocessor controller in the charger to control voltage and monitor current. This way, it can improve charging accuracy and battery life. The input voltage range is from 100V to 220V and the frequency range is between 50Hz and 60Hz.

The advantages of the fully automatic 4-stage charg...

12V/30A Battery Charger with 2A Output

WSC-1230-SB is AC-to-DC 12V 30Amp with built-in 4 stage smart battery charger and designed with 2A output for starter battery - high-efficiency, compact, lightweight and multiple protection design ideal for all kind of Lead-Acid/GEL/AGM batteries.

Key Features:
● Fully automatic 4-stage chargers (I-Uo-U-Equalization)
● Full range AC input.
● High efficiency.
● Microprocessor controller inside.
● Battery charger and power supply mode selectable.

2100W Pure Sine Wave Inverter: WSI-210S Series

WSI-210S series is an MCU-based 12V/24V 2100W pure sine wave inverter with a power-saving function and frequency selection function suited for residential and home electronics.

Multiple Protection:
- Input low voltage
- Input over voltage
- Low battery alarm
- Over temperature
- Over load
- Short circuit

1600W Pure Sine Wave Inverter: WSI-160S Series

WSI-160S Series are MCU-based 12V/24V 1600W pure sine wave inverters with a power-saving function and frequency selection function, suitable for commercial vehicles, marine, etc.

Multiple Protection:
- Input low voltage
- Input over voltage
- Low battery alarm
- Over temperature
- Overload
- Short circuit

600W Pure Sine Wave Inverter: 60S Series

60S Series are 12V 600W Pure Sine Wave Power Inverters that provide clean and stable power for computers, radio equipment, home theaters, and other applications.

Multiple Protection:
- Input Low Voltage
- Input Over Voltage
- Low Battery Alarm
- Over Temperature
- Over Load
- Short Circuit

1000W Pure Sine Wave Inverter: 100S Series

100S Series are 12V/24V 1000W Pure Sine Wave Inverters that can provide pure and stable power for sump pumps, computers, radio equipment, home theaters, and other applications.

Multiple Protection:
- Input Low Voltage
- Input Over Voltage
- Low Battery Alarm
- Over Temperature
- Over Load
- Short Circuit

1500W Pure Sine Wave Inverter: 150S Series

150S Series are 12V/24V 1500W Pure Sine Wave Power Inverters that can provide pure and stable power for caravans, computers, radio equipment, home theaters, and other applications.

Multiple Protection:
- Input Low Voltage
- Input Over Voltage
- Low Battery Alarm
- Over Temperature
- Over Load
- Short Circuit