When installing a power supply system, especially in scenarios involving battery connections, reversing the positive and negative terminals is a common yet fatal mistake. In traditional switch-mode power supplies, if the polarity is reversed, it may merely blow a fuse at the mildest, or damage the entire circuit board at worst, causing equipment downtime and high maintenance costs.

The SCP series switch-mode power supplies are specifically designed to address this issue, with built-in battery polarity protection (implemented through a fuse). Even if the positive and negative terminals are reversed, the core circuit will not be damaged, and normal operation can be restored simply by replacing the fuse. Additionally, it integrates triple protection against short circuits, overloads, and overvoltage, along with intuitive LED power indicators, making it the ideal choice for battery-powered systems.

The MC4 is a single-core, waterproof DC connector with a self-locking mechanism. It is widely used in solar photovoltaic systems to provide fast and reliable connections between photovoltaic modules, as well as between modules and equipment such as inverters and combiner boxes.

In modern life, whether it is RV travel, outdoor work, or a household emergency power supply, having a reliable power system is crucial. However, many users find that ordinary inverters, while capable of lighting up a bulb, cannot start a refrigerator compressor and may even damage sensitive medical equipment or laptops.

This is exactly why you need a 2000W pure sine wave inverter. It not only provides powerful output but also simulates the clean waveform of mains electricity, ensuring that every one of your devices can operate safely and efficiently.

This article explains piezoelectric switches and traditional metal push-button switches.

This article will introduce knowledge about bare-board switching power supplies.

LEYU pure sine wave inverter brings you clean, stable, and efficient output just like mains electricity! Whether it’s for outdoor camping, vehicle appliances, or home backup power, it can gently power various precision devices. You can safely use laptops, coffee machines, and small household appliances.

An innovative advertising display device that combines modern intelligent control technology with a precision roller transmission system. Unlike traditional static lightboxes, it can integrate multiple images within a single lightbox and automatically cycle through them according to preset times, significantly improving the utilization of advertising space and the amount of information conveyed. The product combines a diverse and high-end appearance, programmable intelligent control, and a sturdy, durable structure. It not only meets the display needs of various commercial scenarios but also, with its efficient and dynamic visual presentation, helps clients effectively reduce long-term advertising costs while injecting modern aesthetics and vitality into urban and commercial spaces.

This guide breaks down the core technologies that make a reliable UPS your best defense against downtime, data loss, and equipment damage.

This article provides a systematic method for repairing switched-mode power supplies (SMPS), covering common fault symptoms, step-by-step troubleshooting processes, and key repair techniques to help you quickly diagnose and resolve issues.

At the heart of industrial equipment, smart homes, and everyday appliances, there is a small yet crucial component that quietly safeguards our control—this is the push button switch.

Switching Mode Power Supply (SMPS) serves as a core component in modern electronic devices and has become an indispensable power solution for the rapid advancement of the electronics industry. Compared to traditional linear power supplies, SMPS is widely adopted in nearly all electronic equipment due to its compact size, lightweight design, and high efficiency.
This paper will delve into the working principles, topologies, and key design considerations of switching mode power supplies.

DIN rail power supply is a highly efficient power conversion device that can convert AC power into stable DC power. It has advantages such as high power capacity, low energy consumption, and long lifespan. It is commonly used in industrial control cabinets, electrical cabinets, industrial control systems, automation equipment, telecommunications equipment, access control systems, as well as in new energy fields such as photovoltaic power generation and energy storage devices, and in machinery and other fields.