WLY752530 3.7V 500mAh 1S LiPo Battery – Micro Rechargeable Battery Pack for Wearables / Micro Drone / IoT

  • Model: WLY752530 – 3.7V 500mAh Li-Po Battery

  • Compact & lightweight – ideal for IoT, micro drones, and wearables

  • PCM Protected for safe charging & discharging

  • Long cycle life with low self-discharge

  • Reliable performance at small scale

  • Applications: Gadgets, toys, wireless devices, portable IoT systems

Description

 

WLY752530 3.7V 500mAh LiPo Battery – Complete Guide by NDB&C BY LOFTY AGROTECH

The WLY752530 3.7V 500mAh LiPo Battery is a compact yet powerful energy solution built for modern electronic devices, micro drones, wearables, and IoT applications. As the demand for portable, lightweight, and high-performance power sources grows, this battery stands out for its safety, efficiency, and reliability.

In this detailed guide, we will explore everything you need to know about the WLY752530 3.7V 500mAh LiPo Battery—its features, advantages, applications, comparisons, and maintenance practices.


Introduction to WLY752530 3.7V 500mAh LiPo Battery

The WLY752530 3.7V 500mAh LiPo Battery from NDB&C BY LOFTY AGROTECH has been engineered to deliver stable power output in small electronic systems. It combines a slim design (7.5mm × 25mm × 30mm) with high energy density, making it an excellent fit for space-constrained applications like smart gadgets, IoT modules, and micro drones.

Unlike traditional Li-ion or larger Li-Po cells, this micro LiPo battery strikes the perfect balance between capacity, portability, and safety. Its PCM protection circuit ensures safe charging and discharging, preventing over-voltage, over-current, and short-circuit issues.


Key Features of WLY752530 3.7V 500mAh LiPo Battery

Compact and Lightweight Design

The WLY752530 3.7V 500mAh LiPo Battery is engineered for compact electronics that demand minimal size and weight. With dimensions of 7.5mm thickness, 25mm breadth, and 30mm length, this battery fits snugly into wearables, micro drones, and IoT devices without occupying unnecessary space.

Weighing only 10 grams, it ensures devices remain ultra-lightweight, which is crucial for portable and flying devices. Despite its small footprint, the battery provides a stable 500mAh capacity, making it a perfect balance between portability and reliable power output.


PCM Protection for Safety

Safety is a major concern when using LiPo batteries, especially in sensitive electronics. The WLY752530 3.7V 500mAh LiPo Battery comes equipped with a built-in PCM (Protection Circuit Module), which safeguards against overcharging, over-discharging, and overheating.

This ensures that the battery operates safely under varying loads and environmental conditions. Devices like IoT modules, wearable trackers, and micro drones benefit significantly from PCM protection, reducing the risk of thermal events or accidental damage compared to unprotected generic LiPo cells.


Rechargeable with Long Cycle Life

Designed for repeated use, the WLY752530 3.7V 500mAh LiPo Battery supports more than 300 charge-discharge cycles at 0.5C discharge, retaining over 80% of its original capacity. This long cycle life ensures that devices remain powered reliably over months or even years, minimizing the need for frequent replacements.

For developers, hobbyists, and commercial manufacturers, this translates to lower operational costs and sustainable performance in devices that demand continuous or daily operation, such as micro drones or portable IoT equipment.


 Low Self-Discharge Rate

Even when not actively used, the WLY752530 3.7V 500mAh LiPo Battery retains its charge efficiently thanks to its low self-discharge characteristics. This is especially valuable for standby devices, remote sensors, or wearable electronics that may go unused for extended periods but must remain ready for instant operation.

Low self-discharge ensures that the battery remains reliable and energy-efficient, maintaining a steady voltage for longer periods and reducing the inconvenience of frequent charging.


Technical Specifications of WLY752530 3.7V 500mAh LiPo Battery

Below are the detailed specifications of the WLY752530 3.7V 500mAh LiPo Battery, along with explanations of what each parameter means for end users and device designers.

  • Model Number: WLY752530
    🔹 The model number follows a standard LiPo naming format: 7.5mm thickness, 25mm width, and 30mm length. This compact size ensures compatibility with slim devices like wearables, micro drones, and IoT modules.
  • Nominal Voltage: 3.7V
    🔹 A standard for single-cell LiPo batteries, the 3.7V nominal voltage provides stable power delivery suitable for most low-voltage electronics.
  • Nominal Capacity: 500mAh
    🔹 This indicates the battery can deliver 500 milliamp-hours of energy, making it powerful enough for devices requiring several hours of continuous operation.
  • Continuous Charge Current: 0.5C
    🔹 At a safe charge rate of 0.5C (250mA), the battery can be recharged without degrading lifespan. This ensures consistent performance over hundreds of cycles.
  • Continuous Discharge Current: 0.5C
    🔹 The WLY752530 3.7V 500mAh LiPo Battery can safely discharge at 250mA continuously, making it suitable for low-to-moderate load devices.
  • Max Charge Rate: 1C
    🔹 Fast charging is supported at 1C (500mA), allowing the battery to recharge more quickly when time is critical.
  • Max Discharge Rate: 1C
    🔹 The battery can discharge at a higher load (500mA) when needed, ensuring reliable performance even during peak power demands.
  • Connector Type: Open Wire
    🔹 Provides flexibility for integration into different devices, allowing manufacturers or hobbyists to attach custom connectors as required.
  • Life Cycles: ≥300 cycles at 0.5C to 2.75V
    🔹 The battery maintains strong performance across 300+ charge/discharge cycles, which translates to long-term reliability and cost-effectiveness.
  • Dimensions: 7.5mm × 25mm × 30mm (max size with PCB: 7.5 × 25 × 32.5mm)
    🔹 Slim and compact, the battery is easy to integrate into portable and space-constrained designs.
  • Weight: 10g
    🔹 At only 10 grams, the WLY752530 is ultra-lightweight, making it ideal for drones, wearables, and wireless devices where every gram counts.

Applications of WLY752530 3.7V 500mAh LiPo Battery

 Wearable Devices

Modern wearable devices such as smartwatches, fitness bands, and health trackers demand batteries that are slim, lightweight, and reliable. The WLY752530 3.7V 500mAh LiPo Battery is specifically designed to meet these requirements. Its compact dimensions (7.5mm × 25mm × 30mm) and weight of only 10 grams make it perfect for wearable electronics that need to remain comfortable and unobtrusive.

Additionally, the long cycle life and PCM safety protection ensure that users can trust the battery for daily charging and usage without worrying about performance drops or safety hazards. This makes the WLY752530 a go-to choice for wearable manufacturers and hobbyists.


Micro Drones

Micro and nano drones are extremely sensitive to weight and power efficiency. A heavy battery can drastically reduce flight time and stability, which is why the WLY752530 3.7V 500mAh LiPo Battery is ideal for this application. With its lightweight profile and reliable discharge capability, it ensures smooth, controlled flight performance without adding unnecessary mass.

Its 500mAh capacity provides extended flying sessions compared to smaller packs, while the PCM protection helps prevent sudden voltage drops that could cause drones to lose power mid-flight. This makes the WLY752530 battery perfect for both hobby drones and educational drone projects.


IoT Applications

In the world of the Internet of Things (IoT), efficiency and reliability are critical. Devices like wireless sensors, smart modules, and environmental monitors require small batteries that can deliver steady voltage over long periods. The WLY752530 3.7V 500mAh LiPo Battery excels here thanks to its low self-discharge rate and stable voltage output.

This ensures that IoT devices remain operational for extended periods without frequent charging or replacement. Developers and engineers working on IoT prototypes can rely on this battery to provide the consistent energy needed for connectivity and data transmission.


Portable Electronics

The WLY752530 3.7V 500mAh LiPo Battery is also well-suited for a wide variety of portable electronics, including mini handheld gadgets, electronic toys, small cameras, and custom projects. Its compact size allows it to fit into small enclosures while still providing enough energy to power devices for hours.

Unlike disposable batteries, this rechargeable LiPo pack offers long-term cost savings and environmentally friendly operation. Its durability makes it a reliable choice for portable device designers and DIY enthusiasts.


Wireless Devices

Wireless technology is becoming the standard in modern gadgets, and devices such as Bluetooth headsets, wireless game controllers, and mini audio systems require efficient, rechargeable power sources. The WLY752530 3.7V 500mAh LiPo Battery delivers exactly that—ensuring longer runtimes, stable performance, and reliable energy delivery.

Its lightweight design and compact build make it easy to integrate into wireless devices without compromising portability or comfort. Whether it’s powering consumer electronics or specialized wireless communication modules, this battery provides an optimal balance of capacity, weight, and safety.


Advantages of Choosing WLY752530 3.7V 500mAh LiPo Battery

Extended Device Runtime

One of the biggest benefits of the WLY752530 3.7V 500mAh LiPo Battery is its ability to provide longer runtime for portable electronics. With a capacity of 500mAh, this battery offers reliable backup for devices that require several hours of continuous operation. Whether it is used in a wearable fitness tracker, micro drone, or IoT sensor node, the higher capacity ensures fewer charging interruptions and better user experience.

Compared to smaller batteries like 300mAh or 350mAh packs, the WLY752530 3.7V 500mAh LiPo Battery extends usage time significantly, making it the preferred choice for developers and gadget enthusiasts looking for performance and convenience in compact devices.


High Safety Standards

Safety is a critical factor when choosing a LiPo pack, and the WLY752530 3.7V 500mAh LiPo Battery excels in this area. It is equipped with a PCM (Protection Circuit Module) that safeguards against overcharging, over-discharging, and short circuits. This ensures stable operation and minimizes the risks associated with LiPo batteries, such as swelling or overheating.

Additionally, the advanced LiPo chemistry used in the WLY752530 battery ensures consistent energy delivery and durability even under frequent use. For professionals and hobbyists, this means peace of mind and reliability during projects.


Lightweight and Portable

Weighing only 10 grams, the WLY752530 3.7V 500mAh LiPo Battery is designed with portability in mind. Its slim profile (7.5mm × 25mm × 30mm) makes it ideal for applications where every gram matters—such as wearable devices, compact IoT systems, and micro drones.

The lightweight design ensures that the battery does not add unnecessary bulk or weight, keeping devices comfortable to wear or efficient in flight. For drones especially, a lighter battery translates to better maneuverability and longer flight time per charge.


Cost-Effective Power Solution

While performance and safety are important, cost-effectiveness also plays a major role in battery selection. The WLY752530 3.7V 500mAh LiPo Battery has a long cycle life, meaning it can be charged and discharged hundreds of times before capacity starts to fade. This reduces the frequency of replacements, saving money for users in the long run.

For IoT developers, toy manufacturers, and drone hobbyists, the WLY752530 3.7V 500mAh LiPo Battery offers an excellent balance of price, durability, and performance, making it a smart investment for both commercial and personal projects.


Safety Guidelines

Charging Precautions

When it comes to charging the WLY752530 3.7V 500mAh LiPo Battery, following proper precautions ensures both longevity and safety. Always use a recommended charger that is specifically designed for LiPo batteries, as incorrect chargers can cause overcharging, overheating, or even fire hazards. Charging at extreme temperatures—below 0°C or above 45°C—can damage the chemical structure of the battery, reducing its overall capacity and cycle life.

Another critical point is to avoid charging a warm battery immediately after use. For instance, if the WLY752530 3.7V 500mAh LiPo Battery has just powered a micro drone or IoT device, it should be allowed to cool down before recharging. This prevents internal pressure buildup and ensures safe energy transfer.

By adhering to these charging precautions, users can extend the lifespan of their LiPo pack and maintain safe operation.


Storage Guidelines

Proper storage is vital for maintaining the performance of the WLY752530 3.7V 500mAh LiPo Battery. Unlike disposable batteries, LiPo cells are sensitive to voltage levels and environmental conditions. The ideal practice is to store the battery at around 50% charge—this helps minimize chemical stress and prevents capacity loss during long periods of inactivity.

Always keep the battery in a cool, dry place, away from humidity and direct sunlight. Excessive heat can cause swelling or degradation of the LiPo cells, while cold environments below 0°C can permanently damage the battery.

For long-term storage, consider placing the WLY752530 3.7V 500mAh LiPo Battery in a fireproof LiPo storage bag or container. This adds an extra layer of protection against accidental thermal events and ensures compliance with safety standards.


Usage Precautions

The WLY752530 3.7V 500mAh LiPo Battery is designed for safe and efficient use, but proper handling is essential. Always disconnect the battery when not in use—this prevents unnecessary discharge and reduces the risk of short circuits.

Never attempt to puncture, crush, or expose the battery to water, as this can lead to dangerous chemical reactions. Before each use, inspect the connectors, casing, and wires for any signs of wear, fraying, or damage. A compromised battery should not be used, as it may pose risks during operation.

By following these usage precautions, users can ensure that their WLY752530 3.7V 500mAh LiPo Battery remains safe, reliable, and long-lasting in applications like wearables, micro drones, and IoT devices.


Comparison with Other Batteries

LiPo vs Li-ion Batteries

When comparing LiPo (Lithium Polymer) and Li-ion (Lithium-ion) batteries, both technologies have distinct advantages depending on the application. The WLY752530 3.7V 500mAh LiPo Battery stands out because of its flat, lightweight design and ability to fit into compact devices such as wearables, micro drones, and IoT gadgets. Unlike cylindrical Li-ion batteries, which are rigid and less flexible in form factor, LiPo batteries can be designed in slim, custom sizes without compromising performance.

In terms of energy density, the WLY752530 3.7V 500mAh LiPo Battery provides more capacity relative to its compact size, making it highly efficient for space-constrained devices. Additionally, LiPo technology allows for higher discharge rates, supporting devices that demand sudden bursts of power, such as drones or wireless transmitters.

On the other hand, traditional Li-ion batteries are often cheaper and widely available, but they lack the adaptability and thin profile that the WLY752530 battery offers. For modern compact electronics, LiPo batteries are the superior choice.


500mAh vs Smaller Capacities

Battery capacity directly affects runtime, efficiency, and user convenience. The WLY752530 3.7V 500mAh LiPo Battery delivers a significant upgrade compared to smaller packs, such as 300mAh or 350mAh LiPo batteries. Devices using smaller-capacity batteries may require frequent recharging, which can be inconvenient in portable gadgets or wearables.

For example, in IoT devices that operate continuously or fitness trackers that need reliable backup, a 300mAh battery may run out too quickly. In contrast, the WLY752530 3.7V 500mAh LiPo Battery ensures extended operational time, reducing the need for multiple charging cycles per day.

This higher capacity also means that devices can handle additional sensors, displays, or connectivity features without draining the battery too quickly. Thus, the 500mAh variant strikes an excellent balance between compact size and long-lasting performance.


WLY752530 vs Generic LiPo Packs

Not all LiPo batteries are created equal. Many generic LiPo packs available in the market lack advanced safety features, which can pose risks such as overcharging, swelling, or overheating. The WLY752530 3.7V 500mAh LiPo Battery, however, is designed with PCM (Protection Circuit Module) safety circuitry. This ensures that the battery is protected from overcharge, over-discharge, and short circuits, extending both performance and lifespan.

Another key difference is manufacturing quality and consistency. Generic LiPo batteries often vary in actual capacity and durability, leading to unpredictable performance. The WLY752530 3.7V 500mAh LiPo Battery, offered by NDB&C by LOFTY AGROTECH, is built with strict quality standards, ensuring that every pack delivers reliable energy output and long cycle life.

For hobbyists, developers, and professionals, investing in a trusted battery like the WLY752530 3.7V 500mAh LiPo Battery guarantees better safety, reliability, and efficiency compared to low-cost generic alternatives.


Maintenance Tips for Long Battery Life

 Proper Charging Practices

The way you charge your WLY752530 3.7V 500mAh LiPo Battery plays a critical role in its overall lifespan. Always use a recommended LiPo-compatible charger that can regulate current and voltage according to the battery’s specifications. Overcharging can cause internal stress, leading to swelling, overheating, or permanent damage.

It’s best to charge the battery at the standard 0.5C rate, which ensures safety and stability. Although the battery supports a maximum charge rate of 1C, frequent fast charging should be avoided as it reduces cycle life. Always monitor the charging process, and never leave the battery unattended while connected to the charger.

Also, avoid charging immediately after use—let the WLY752530 3.7V 500mAh LiPo Battery cool down to room temperature before plugging it in. This simple habit prevents thermal stress and enhances long-term performance.


 Storage Practices

Proper storage is essential to keep your WLY752530 3.7V 500mAh LiPo Battery healthy over time. The golden rule is to store LiPo batteries at about 50% charge (around 3.7V per cell) when not in use for extended periods. Storing a fully charged battery can cause swelling, while leaving it discharged for too long may result in capacity loss or failure to recharge.

Always keep the battery in a cool, dry environment, ideally between 15°C to 25°C, and avoid exposure to direct sunlight or freezing temperatures. High heat accelerates chemical degradation, while freezing can damage the internal electrolyte.

For added safety, store the WLY752530 3.7V 500mAh LiPo Battery inside a fireproof LiPo storage bag or non-conductive container. This ensures protection against accidental short circuits or environmental hazards.


Regular Inspection

Regular inspection helps detect early signs of wear and prevents accidents. Before each use, examine the WLY752530 3.7V 500mAh LiPo Battery for any visible damage such as swelling, dents, or punctures. Even small physical defects can compromise safety.

Check the connectors and wires for looseness, fraying, or corrosion. Damaged connections can cause power loss or even short circuits. If you notice unusual heat, swelling, or voltage irregularities, discontinue use immediately and replace the battery.

Additionally, ensure that the balance leads and protective casing are intact. A well-maintained battery not only performs better but also prevents risks to your device and surroundings. By conducting routine checks, you maximize the reliability and safety of your battery-powered projects.


 

Why Choose NDB&C BY LOFTY AGROTECH?

As a trusted supplier, NDB&C BY LOFTY AGROTECH ensures quality-tested batteries with reliable performance. We provide a range of micro LiPo batteries in multiple sizes and capacities to meet the growing needs of IoT developers, drone enthusiasts, and electronics manufacturers.


Frequently Asked Questions (FAQ)

  1. What devices can the WLY752530 3.7V 500mAh LiPo Battery power?
    Wearables, IoT devices, micro drones, and small gadgets.
  2. Is the battery PCM protected?
    Yes, it comes with a built-in PCM for safe charging and discharging.
  3. What is the cycle life?
    Over 300 cycles at 0.5C discharge.
  4. How should I store the battery?
    Store at 50% charge in a cool, dry environment.
  5. Can this battery be used in RC toys?
    Yes, it’s suitable for micro RC applications with low power requirements.

Conclusion

The WLY752530 3.7V 500mAh LiPo Battery by NDB&C BY LOFTY AGROTECH is a compact, safe, and efficient power source for modern electronics. Its lightweight design, PCM protection, and long cycle life make it a reliable choice for wearables, micro drones, IoT devices, and portable gadgets. By investing in this high-quality battery, you ensure performance, safety, and durability for your projects.


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