WLY102540 3.7V 1100mAh 1S LiPo Battery – Micro Rechargeable Battery Pack for Wearables / Micro Drone / IoT

  • High-Capacity 1100mAh LiPo Battery

  • Stable 3.7V Voltage Output

  • Compact 10 × 25 × 40mm & Lightweight 22g

  • Rechargeable over 300 Cycles

  • Ideal for Wearables, Micro Drones, IoT Devices, DIY Electronics

Description

Table of Contents

WLY102540 3.7V 1100mAh 1S LiPo Battery – Micro Rechargeable Battery Pack by NDB&C LOFTY AGROTECH

Overview of WLY102540 3.7V 1100mAh LiPo Battery

The WLY102540 3.7V 1100mAh 1S LiPo Battery by NDB&C LOFTY AGROTECH is a high-performance, single-cell lithium polymer (LiPo) battery designed for modern electronics, wearables, micro drones, IoT devices, and embedded systems. It offers a lightweight yet powerful energy solution, providing stable voltage output and long-lasting performance across a variety of applications. With its rechargeable design, the WLY102540 ensures over 300 cycles of dependable power, making it an eco-friendly and cost-effective choice for hobbyists, engineers, and commercial developers alike.

Whether you are powering a compact wearable device, a small UAV, or a microcontroller-based IoT project, the WLY102540 3.7V 1100mAh LiPo Battery delivers reliable performance with minimal maintenance, allowing your devices to operate efficiently and safely for extended periods. Click here to explore more about the WLY102540 3.7V 1100mAh LiPo Battery.


Key Features of WLY102540 3.7V 1100mAh 1S LiPo Battery

High-Capacity Power for Extended Runtime

The WLY102540 3.7V 1100mAh LiPo Battery provides a high capacity of 1100mAh, enabling longer operational periods for devices such as wearable gadgets, micro drones, and IoT sensors. Its ample capacity ensures users can rely on uninterrupted power throughout the day, reducing downtime and enhancing device performance. With stable voltage output, this battery guarantees consistent energy supply, which is critical for sensitive electronics.

Stable 3.7V Voltage Output

Maintaining a stable 3.7V output is crucial for devices that depend on precision electronics and microcontroller operation. The WLY102540 3.7V 1100mAh LiPo Battery delivers consistent voltage, preventing performance fluctuations in sensors, displays, or wireless modules. This stability improves overall system reliability, ensuring devices operate safely under variable loads and conditions.

Compact and Lightweight Design

With dimensions of 10 × 25 × 40mm and weighing just 22g, the WLY102540 3.7V 1100mAh LiPo Battery is designed for tight spaces and portable applications. Its small form factor allows seamless integration into wearables, micro drones, IoT devices, and other embedded systems without adding bulk. Engineers and makers benefit from its lightweight design, which is essential for applications where every gram counts.

Rechargeable and Eco-Friendly

The rechargeable nature of the WLY102540 3.7V 1100mAh LiPo Battery reduces dependence on disposable batteries, offering both environmental benefits and cost savings. With over 300 recharge cycles, it provides a sustainable energy solution suitable for daily-use devices and experimental prototypes. Rechargeability also ensures consistent performance over the lifetime of the device.

Versatile Applications

The WLY102540 3.7V 1100mAh LiPo Battery is suitable for a wide range of applications, including:

  • Wearables: Smartwatches, fitness trackers, health monitors
  • Micro Drones: Flight controllers, cameras, telemetry modules, UAVs
  • IoT Devices: Smart sensors, remote monitoring systems, wireless modules
  • DIY Electronics & Embedded Systems: Arduino, ESP32, Raspberry Pi projects

Technical Specifications of WLY102540 3.7V 1100mAh LiPo Battery

Specification Details
Model No. WLY102540
Nominal Voltage 3.7V
Nominal Capacity 1100mAh
Continuous Charge Current 0.5C
Continuous Discharge Current 0.5C
Maximum Charge Rate 1C
Maximum Discharge Rate 1C
Connector Type Open Wire
Life Cycles ≥300 cycles (0.5C to 2.75V, <80%)
Application Wearables / Micro Drone / IoT / Embedded Systems
Thickness 10mm
Breadth 25mm
Length 40mm
Max Size (with PCB) 10 × 25 × 42.5mm
Weight 22g
Shipping Weight 0.16 kg
Shipping Dimensions 6 × 4 × 3 cm

 

Model Number: WLY102540

The model number WLY102540 uniquely identifies this specific LiPo battery within NDB&C by LOFTY AGROTECH’s product lineup. This ensures easy sourcing, compatibility checking, and inventory management for both hobbyists and professionals. When ordering or replacing batteries, referencing the model number guarantees you receive the correct capacity, size, and electrical characteristics.

Nominal Voltage: 3.7V

The nominal voltage of 3.7V is standard for single-cell lithium polymer batteries. This voltage provides a balance between energy density and safety, delivering stable power to sensitive electronics. Devices relying on consistent voltage output, such as drones, wearables, or IoT sensors, benefit from reduced performance fluctuations and better operational reliability.

Nominal Capacity: 1100mAh

The 1100mAh capacity indicates the total energy storage of the battery. It determines how long the battery can power a device under a given load. For example:

  • Micro drones can achieve longer FPV flight times.
  • Wearables can operate for an entire day without frequent recharging.
  • IoT sensors deployed in remote locations can run for months uninterrupted.

Higher capacity batteries like this model reduce downtime, enhance usability, and improve user experience.

Continuous Charge Current: 0.5C

The 0.5C continuous charge current defines the recommended charging rate for safe and efficient battery operation. For a 1100mAh battery, 0.5C corresponds to 550mA charging current. Charging at this rate ensures the battery maintains its cycle life, prevents overheating, and avoids stress on the cells. This specification is critical for maintaining long-term battery health.

Continuous Discharge Current: 0.5C

The 0.5C continuous discharge current indicates the maximum safe current the battery can supply continuously without overheating or degradation. For this battery, it is 550mA, which is ideal for powering low-to-medium draw devices such as wearable sensors, microcontrollers, and small drones. Exceeding this value may reduce runtime and cycle life.

Maximum Charge Rate: 1C

The 1C maximum charge rate allows faster charging in urgent situations without compromising safety. For a 1100mAh battery, 1C equals 1100mA. Users can utilize compatible high-current LiPo chargers for rapid recharging while ensuring the battery’s internal protections manage heat and prevent overcharge.

Maximum Discharge Rate: 1C

The 1C maximum discharge rate allows the battery to supply higher bursts of current when devices demand short-term high energy, such as during rapid motor acceleration in drones. For a 1100mAh battery, this is 1100mA, sufficient for small UAV maneuvers or higher-load electronics.

Connector Type: Open Wire

The open-wire connector design ensures flexibility in integrating the battery into different electronic devices. Users can attach custom connectors suitable for their projects, making it compatible with a wide range of wearables, drones, and IoT modules.

Life Cycles: ≥300 cycles (0.5C to 2.75V, <80%)

The life cycles specification indicates durability. This battery can safely undergo at least 300 full charge-discharge cycles while retaining 80% of its original capacity, provided it is cycled between 0.5C and 2.75V. This ensures long-term reliability for repeated daily use.

Application: Wearables / Micro Drone / IoT / Embedded Systems

This battery is optimized for multiple applications, including:

  • Wearables: Smartwatches, fitness trackers, portable health devices.
  • Micro drones: FPV racing, small UAVs, and camera drones.
  • IoT devices: Environmental sensors, wireless trackers, and monitoring systems.
  • Embedded systems: Arduino, ESP32, Raspberry Pi, and other electronics prototypes.

Physical Dimensions

  • Thickness: 10mm
  • Breadth: 25mm
  • Length: 40mm
    These dimensions make it compact enough for integration in small electronic enclosures while providing adequate capacity.

Max Size (including PCB): 10 × 25 × 42.5mm

The maximum size including the protection circuit board (PCB) ensures designers can account for the full battery footprint during product integration, avoiding mechanical conflicts in compact devices.

Weight: 22g

Lightweight design reduces strain on portable devices like drones and wearables, improving mobility, flight stability, and user comfort.

Shipping Weight and Dimensions

  • Shipping Weight: 0.16 kg
  • Shipping Dimensions: 6 × 4 × 3 cm
    Compact shipping size ensures ease of handling, storage, and reduced shipping costs.

 

Applications of WLY102540 3.7V 1100mAh LiPo Battery

Applications in Wearables

The WLY102540 3.7V 1100mAh LiPo Battery is ideal for wearable electronics such as smartwatches, fitness trackers, and health monitors. Its compact, lightweight design allows seamless integration without adding bulk. The stable 3.7V voltage ensures that sensors, displays, and Bluetooth modules operate reliably for extended periods. Its rechargeability guarantees over 300 cycles, supporting daily usage and long-term deployment in consumer and professional devices.

Sub-Applications in Wearables:

  • Continuous heart rate monitoring
  • Step counters and fitness analytics
  • Smart notifications and Bluetooth communication
  • Portable medical devices for real-time data collection

Applications in Micro Drones

For micro drones, flight stability and energy efficiency are critical. The WLY102540 3.7V 1100mAh LiPo Battery provides reliable power for flight controllers, cameras, sensors, and telemetry modules. Its low weight and high capacity allow longer flight times, better maneuverability, and smooth aerial photography. Rechargeable functionality ensures repeated use with minimal cost.

Sub-Applications in Micro Drones:

  • FPV racing drones requiring high agility
  • Mini UAVs for aerial photography and video
  • Educational drone projects and STEM kits

Applications in IoT Devices

IoT devices often operate in remote or unattended environments, requiring reliable, long-lasting batteries. The WLY102540 3.7V 1100mAh LiPo Battery ensures months of uninterrupted operation for environmental sensors, smart trackers, and wireless monitoring systems. Its stable voltage output and open-wire connector allow easy integration into compact enclosures, reducing maintenance and enhancing performance reliability.

Sub-Applications in IoT Devices:

  • Smart agriculture monitoring
  • Environmental and weather stations
  • Home automation sensors
  • Industrial IoT and telemetry systems

Applications in DIY Electronics and Embedded Systems

Engineers, hobbyists, and makers can use the WLY102540 3.7V 1100mAh LiPo Battery in DIY projects and embedded systems. It powers Arduino, ESP32, Raspberry Pi, and other microcontroller-based applications reliably, ensuring accurate performance, stable sensor readings, and smooth system operation.

Sub-Applications in DIY Electronics:

  • Arduino-based smart sensor modules
  • ESP32/ESP8266 Wi-Fi and Bluetooth prototypes
  • Raspberry Pi portable computing projects
  • Robotics and automation prototypes

Troubleshooting Common Issues of WLY102540 3.7V 1100mAh LiPo Battery

Rapid Voltage Drop

Rapid voltage drop may occur due to excessive load, aging cells, or inconsistent charge cycles. Reduce the connected device load, ensure proper charging practices, and replace the battery if voltage consistently falls below 80% of nominal capacity.

Battery Swelling

Swelling indicates overcharging, overheating, or long-term wear. Immediately stop using the battery and dispose of it at certified recycling facilities. Never puncture or compress a swollen LiPo battery to prevent fire hazards.

Battery Not Charging

Ensure connectors are clean, wires are intact, and chargers are compatible. Always use LiPo-compatible chargers to prevent overheating or permanent battery damage.

Reduced Runtime

To maintain optimal runtime, fully cycle the battery at recommended charge/discharge rates, store it at 40–60% charge when idle, and avoid extreme temperatures during use and storage.


 

Safety Guidelines for WLY102540 3.7V 1100mAh LiPo Battery

1. Do Not Puncture or Crush

LiPo batteries contain highly reactive chemicals. Puncturing, crushing, or physically damaging the WLY102540 3.7V 1100mAh LiPo Battery can lead to short circuits, overheating, or even fire. Always handle with care, and avoid storing them in tight spaces where mechanical pressure might occur.

2. Avoid Short-Circuiting Terminals

Connecting the positive and negative terminals directly, or allowing conductive materials to contact both terminals, can cause a short circuit, leading to battery damage, heat generation, or potential hazards. Ensure correct polarity and use proper connectors when installing the battery.

3. Use LiPo-Compatible Chargers

Charging with incompatible chargers can overheat the battery, reduce its life cycle, or cause swelling. Always use LiPo-specific chargers designed to handle 3.7V single-cell batteries, and never leave batteries unattended while charging.

4. Dispose Properly

Do not throw the WLY102540 3.7V 1100mAh LiPo Battery in regular trash. Dispose of spent or damaged batteries at certified e-waste recycling facilities. Proper disposal prevents environmental pollution and safety hazards.

5. Avoid Extreme Temperatures and Water

Exposing the battery to high heat, direct sunlight, or moisture can degrade performance and safety. Store in cool, dry environments, away from fire sources or water, to maintain efficiency and longevity.

6. Store at Moderate Charge Levels

For long-term storage, maintain the battery at 40–60% charge rather than fully charged or fully discharged. This prevents stress on the cells and prolongs battery life, ensuring that the WLY102540 3.7V 1100mAh LiPo Battery retains its capacity over multiple cycles.


Benefits of WLY102540 3.7V 1100mAh LiPo Battery

1. Extended Runtime

The high-capacity WLY102540 3.7V 1100mAh LiPo Battery enables long operational periods for devices such as wearables, micro drones, and IoT sensors, reducing the need for frequent charging. Users experience uninterrupted performance in portable and remote applications.

2. Compact & Lightweight

With dimensions of 10 × 25 × 40mm and a weight of just 22g, this battery is perfect for compact, space-constrained devices. It integrates seamlessly into drones, wearables, DIY electronics, and embedded systems without adding bulk or affecting portability.

3. Rechargeable & Cost-Effective

The battery supports over 300 recharge cycles, making it a cost-effective alternative to disposable batteries. Its rechargeable nature reduces electronic waste, supports eco-friendly practices, and ensures consistent power for daily or repetitive use.

4. Stable Voltage Supply

The WLY102540 3.7V 1100mAh LiPo Battery delivers stable 3.7V output, which is crucial for sensitive electronics and microcontrollers. Stable voltage prevents performance dips in devices, ensuring reliable operation for IoT modules, drones, and wearable technology.

5. Versatile Applications

This battery is compatible with a wide range of applications, including:

  • DIY Electronics: Arduino, Raspberry Pi, ESP32 projects
  • Embedded Systems: Small computing and sensor modules
  • RC Devices & Micro Drones: Providing reliable power for motors, controllers, and cameras
  • IoT Modules: Remote monitoring, environmental sensors, and smart devices

 

 

Real-World Use Cases and Applications of WLY102540 3.7V 1100mAh LiPo Battery

Applications in Wearables

Wearable devices like smartwatches, fitness trackers, health monitors, and portable medical devices require compact, reliable batteries to function effectively throughout the day. The WLY102540 3.7V 1100mAh LiPo Battery provides a stable 3.7V output and sufficient capacity to support continuous operation, ensuring all-day performance without the need for frequent recharging.

Key Advantages for Wearables:

  • Powers displays, sensors, and communication modules consistently.
  • Maintains device responsiveness during data tracking and notifications.
  • Compact and lightweight, ensuring comfort for wearable applications.

User Tip: Regularly monitor battery health and voltage to ensure longevity and prevent unexpected shutdowns. For devices stored for long periods, maintain a 40–60% charge to reduce stress on the battery cells.


Applications in Micro Drones

Micro drones demand lightweight, high-capacity batteries to maintain flight stability, maneuverability, and camera performance. The WLY102540 3.7V 1100mAh LiPo Battery delivers consistent voltage, enabling drones to perform precise movements and smooth FPV (First Person View) flying.

Key Advantages for Micro Drones:

  • Extends flight times for longer missions or recreational use.
  • Provides steady power to motors, cameras, sensors, and telemetry systems.
  • Enhances drone responsiveness and agility, crucial for aerial photography and FPV racing.

User Tip: Always use LiPo-compatible chargers to maintain safety and avoid overheating. Avoid overloading the drone with extra equipment that exceeds the battery’s recommended output.


Applications in IoT Sensors

IoT devices, particularly those deployed in remote or unattended locations, require reliable, long-lasting power sources. The WLY102540 3.7V 1100mAh LiPo Battery ensures months of uninterrupted operation for environmental sensors, wireless monitoring systems, and smart trackers.

Key Advantages for IoT Applications:

  • Supports consistent data transmission with minimal downtime.
  • Reduces maintenance requirements due to its rechargeable and high-capacity design.
  • Small footprint allows easy integration into compact enclosures for remote deployments.

User Tip: Store IoT devices in cool, dry environments to prevent battery degradation. Periodically check voltage and charge levels to maintain continuous performance.


Applications in DIY Electronics and Embedded Systems

Hobbyists, engineers, and makers often rely on portable batteries for Arduino, ESP32, Raspberry Pi, and custom electronics projects. The WLY102540 3.7V 1100mAh LiPo Battery provides stable power, ensuring accurate sensor readings and reliable execution of embedded tasks.

Key Advantages for DIY Projects:

  • Powers microcontrollers and peripheral devices consistently.
  • Ideal for robotics modules, portable gadgets, and experimental prototypes.
  • Compact design allows integration into lightweight devices without affecting mobility.

User Tip: Properly cycle the battery during testing phases to maximize runtime. Avoid using the battery in extreme temperatures and always monitor voltage during intensive usage.


General User Recommendations

To maximize the lifespan, performance, and safety of theWLY102540 3.7V 1100mAh LiPo Battery, follow these best practices:

  1. Always use LiPo-compatible chargers to prevent overcharging, overheating, and potential hazards.
  2. Store at moderate charge levels (40–60%) for long-term storage to maintain cell health.
  3. Avoid direct sunlight, water exposure, and extreme temperatures. Prolonged heat or cold can damage the battery permanently.
  4. Regularly monitor battery voltage and physical condition to detect swelling, damage, or abnormal behavior.
  5. Cycle the battery properly – occasional full discharge and recharge helps maintain capacity and ensures consistent performance.

 

Conclusion

The WLY102540 3.7V 1100mAh LiPo Battery by NDB&C LOFTY AGROTECH is a high-capacity, reliable, and versatile energy solution for wearables, micro drones, IoT devices, and DIY electronics. With its stable 3.7V output, compact design, and lightweight construction, it ensures uninterrupted operation across a wide range of applications. Rechargeable over 300 cycles, it offers a cost-effective and eco-friendly power solution for both hobbyists and professionals.

By choosing the WLY102540 3.7V 1100mAh LiPo Battery, users gain a dependable, long-lasting, and high-performance power source that guarantees safety, stability, and superior performance for modern electronics projects. Click here to explore more about the WLY102540 3.7V 1100mAh LiPo Battery.


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