XH-M609 Battery Over Discharge Protection Module Sumklin 6-30V Compact

Description

Product Overview

The XH-M609 battery over‑discharge protection module is engineered by Sumklin to deliver reliable safety for a wide range of rechargeable battery applications. It operates across an input voltage range of 6 V to 30 V, providing precise voltage monitoring with an accuracy of 0.1 V. The module continuously checks battery voltage and triggers protective actions when thresholds are exceeded, ensuring that the battery pack remains within safe operating limits.

Designed with a compact footprint of 57 × 42 × 19 mm, the device occupies minimal board space while delivering robust performance. Power consumption stays below 1.5 W, which helps preserve overall system efficiency, especially in portable or battery‑powered equipment. The module incorporates a high‑quality relay that can handle currents up to 8 A, offering a balance between protection capability and cost‑effective design.

Key functional blocks include over‑charge detection, over‑discharge cut‑off, short‑circuit interruption, and over‑current limitation. Each protection mode is independently configurable, allowing system designers to tailor the response to specific battery chemistries and usage scenarios. The module also features an accurate voltage monitoring function that can be interfaced with external microcontrollers for real‑time status reporting.

In addition to its core protection features, the XH-M609 provides a convenient factory reset method. By disconnecting power, simultaneously pressing the two onboard buttons, and then restoring power, the module displays a diagnostic code “888” indicating that all parameters have returned to their default settings. This simplifies maintenance and troubleshooting in the field.

Usage

The XH-M609 module is suitable for a variety of electric mobility and energy storage applications. It can be integrated into electric two‑wheelers, three‑wheelers, and small electric vehicles where battery safety is paramount. The module’s voltage range covers most lithium‑ion, lithium‑polymer, and lead‑acid battery packs used in e‑bikes, electric scooters, and lightweight electric cars.

Because of its low power draw, the module is also an excellent choice for portable power banks, solar‑charged storage systems, and remote sensor nodes that rely on battery power for extended periods. The compact size enables designers to place the protection circuit close to the battery cells, reducing wiring length and minimizing voltage drop during high‑current events.

When installing the XH-M609, it is recommended to keep the current draw of the protected circuit below the 8 A relay rating to avoid premature wear of the contacts. For applications that may exceed this current, additional external fusing or a higher‑rated relay should be considered. The module’s robust construction and clear labeling make it straightforward to mount on a PCB or within a protective enclosure.

Typical installation steps include connecting the input voltage to the VIN terminals, routing the protected load through the relay contacts, and linking the ground reference to the GND pins. The module’s status LED provides immediate visual feedback on protection events, aiding rapid diagnosis during testing and field service.

Why Choose Us

Sumklin has a long history of delivering high‑quality electronic components for industrial and scientific markets. The XH-M609 reflects the company’s commitment to safety, reliability, and cost‑effective engineering. Each unit undergoes rigorous quality control procedures, including temperature cycling, electrical stress testing, and dimensional inspection, to ensure consistent performance across production batches.

Our protection module is backed by a comprehensive warranty and responsive technical support team. Customers can access detailed datasheets, application notes, and design guidelines directly from our website, facilitating rapid integration into new product designs. In addition, Sumklin offers customization services for volume customers who require specific voltage thresholds or form‑factor adjustments.

Environmental responsibility is also a core value. The XH-M609 is manufactured using RoHS‑compliant components and processes, reducing the presence of hazardous substances in the final product. This aligns with global sustainability standards and helps manufacturers meet regulatory requirements.

By choosing Sumklin’s XH-M609, designers gain a trusted safety solution that minimizes development risk, shortens time‑to‑market, and enhances end‑user confidence in the final product.

Key Features

• Accurate voltage monitoring (0.1 V) ensures precise detection of over‑charge and over‑discharge conditions.
• Four‑layer protection (over‑charge, over‑discharge, short‑circuit, over‑current) safeguards battery health and extends lifespan.
• Compact 57 × 42 × 19 mm footprint fits tight spaces in modern electric vehicle designs.
• Low power consumption (<1.5 W) preserves overall system efficiency for battery‑powered devices.
• Responsive after‑sales support and warranty provide confidence for large‑scale deployments.

FAQ

What battery chemistries are compatible with the XH-M609 module?

The module is designed to work with most common rechargeable battery types, including lithium‑ion, lithium‑polymer, nickel‑metal hydride, and lead‑acid cells, as long as the pack voltage stays within the 6 V to 30 V range.

How does the factory reset procedure work?

To reset the module, disconnect power, press and hold the two onboard buttons simultaneously, then reconnect power. The display will show “888” indicating that all configurable parameters have returned to their default values.

Can the module handle high current loads above 8 A?

The internal relay is rated for up to 8 A continuous current. For applications requiring higher currents, it is recommended to add an external high‑current relay or fuse in series with the load to protect the module’s contacts.

Is the XH-M609 suitable for outdoor or harsh environments?

Yes. The module complies with RoHS standards and is built with robust components that can tolerate temperature variations and moderate humidity. For extreme conditions, additional sealing or enclosure measures should be employed.

What is the typical response time when a protection event is triggered?

The protection circuitry reacts within a few milliseconds after the voltage or current threshold is exceeded, providing rapid isolation of the battery to prevent damage.