Description
WLY400838 3.7V 100mAh LiPo Battery
Introduction to WLY400838 3.7V 100mAh LiPo Battery
In the rapidly evolving world of portable electronics, wearables, and IoT devices, the demand for compact yet efficient power sources is stronger than ever. Among the many innovations in battery technology, the WLY400838 3.7V 100mAh LiPo Battery has emerged as a reliable solution, offering the perfect combination of lightweight design, safe operation, and dependable performance.
As devices become smaller, smarter, and more energy-efficient, traditional batteries often fail to meet the required standards of size, weight, and energy density. This is where the WLY400838 3.7V 100mAh LiPo Battery stands out. Built to deliver consistent power in a miniature form factor, it is specifically engineered to meet the needs of modern wearable gadgets, micro drones, IoT modules, and portable electronic devices.
Why Choose the WLY400838 3.7V 100mAh LiPo Battery?
The WLY400838 3.7V 100mAh LiPo Battery represents the next generation of lithium polymer technology. With its nominal voltage of 3.7V and capacity of 100mAh, it provides an ideal balance between runtime and compact size. This makes it highly suitable for low to medium-power applications that require a rechargeable, long-lasting power source.
Unlike disposable batteries, this model is fully rechargeable, offering up to 300+ charge/discharge cycles while maintaining more than 80% of its original capacity. Its PCM (Protection Circuit Module) ensures safety against common risks such as overcharging, over-discharging, and short circuits.
Another key advantage is its lightweight design, with a weight of just 2.5 grams, ensuring that the device’s ergonomics are not compromised. For manufacturers and developers working on miniaturized products, this battery delivers both performance and design flexibility.
Design & Build Quality
The WLY400838 3.7V 100mAh LiPo Battery is crafted with precision, featuring a slim profile measuring only 4mm in thickness, 8mm in breadth, and 38mm in length. Even with its compact size, it includes integrated safety features and maintains excellent charge retention.
The build quality ensures that it can withstand continuous use without swelling, leaking, or losing performance prematurely. This makes it a dependable option not only for consumer devices but also for industrial applications where reliability is critical.
Position in the Market
When compared to other batteries in its category, the WLY400838 3.7V 100mAh LiPo Battery offers:
- Better energy density than NiMH or alkaline alternatives.
- A more compact footprint compared to coin cells of similar capacities.
- A rechargeable and eco-friendly design, reducing the need for constant replacements.
Its adaptability to various applications ensures that it remains a preferred choice for designers and engineers working on cutting-edge technologies.
Overview of Applications
The WLY400838 3.7V 100mAh LiPo Battery is widely used across multiple sectors:
- Wearables: Smart bands, hearing aids, and medical monitors.
- IoT Devices: Wireless sensors, smart home modules, and portable gateways.
- Micro Drones: Lightweight quadcopters and FPV practice drones.
- Portable Gadgets: Electronic toys, LED products, and DIY electronics.
Each of these applications demands reliability, long cycle life, and compact design—all of which are delivered by this battery.
Technical Specifications of WLY400838 3.7V 100mAh LiPo Battery
When evaluating a battery for integration into wearables, IoT devices, or micro drones, the technical specifications play a vital role. The WLY400838 3.7V 100mAh LiPo Battery offers a well-balanced blend of compact design, safe operation, and dependable energy storage. Below is an in-depth look at the specifications and their real-world implications.
Nominal Voltage – 3.7V
The WLY400838 3.7V 100mAh LiPo Battery operates at a nominal voltage of 3.7V, which is the standard for most lithium polymer cells. This voltage is compatible with a wide range of consumer electronics, wearable sensors, and IoT modules. Devices that require 3.3V or 3.7V systems can efficiently use this battery without the need for heavy voltage regulation.
Why it matters:
- Compatible with microcontrollers and IoT sensors.
- Provides stable output, ensuring consistent device performance.
- Eliminates the need for additional complex circuitry in most applications.
Nominal Capacity – 100mAh
With a capacity of 100mAh, this battery is ideal for devices requiring low to medium power consumption over extended periods. While it may seem small compared to larger LiPo packs, the capacity-to-size ratio is what makes the WLY400838 3.7V 100mAh LiPo Battery so impressive.
Practical implications:
- Powers wearable devices for several hours.
- Supports IoT sensors with long standby times.
- Offers sufficient flight duration for ultra-lightweight micro drones.
Charge and Discharge Rates
- Continuous Charge Current: 0.5C
- Continuous Discharge Current: 0.5C
- Maximum Charge Rate: 1C
- Maximum Discharge Rate: 1C
This means the WLY400838 3.7V 100mAh LiPo Battery can safely charge at 50mA and discharge at the same rate for normal usage. For faster charging or higher loads, it can handle up to 100mA safely.
Why it matters:
- Protects the battery from overheating or damage.
- Enables longer cycle life when used within recommended current limits.
- Ensures device safety in sensitive electronics.
Cycle Life – ≥300 Times
One of the most important aspects of the WLY400838 3.7V 100mAh LiPo Battery is its cycle life. It offers ≥300 charge/discharge cycles at 0.5C before capacity drops below 80%.
Advantages:
- Reduces the frequency of replacements.
- Makes the battery cost-effective for long-term projects.
- Supports sustainable energy practices by minimizing waste.
Physical Dimensions
- Thickness: 4mm
- Width: 8mm
- Length: 38mm
- Max Size with PCB: 4 × 8 × 40.5mm
- Weight: 2.5g
These measurements highlight the ultra-compact design of the battery. Its slim form factor makes it a perfect fit for space-constrained devices like medical wearables or IoT sensors.
Connector & Build
- Connector Type: Open Wire
- Protection Circuit Module (PCM): Integrated for overcharge, over-discharge, and short-circuit protection.
This ensures the WLY400838 3.7V 100mAh LiPo Battery can be safely used across different devices without risking operational hazards.
Safety & Reliability Features
The battery incorporates multiple safety features:
- PCM Protected – prevents overcharging and short circuits.
- Low Self-Discharge Rate – ensures longer standby periods.
- No Memory Effect – maintains capacity even with partial charging.
Key Features & Advantages of WLY400838 3.7V 100mAh LiPo Battery
When choosing a battery for compact electronics, it’s important to balance performance, safety, and longevity. The WLY400838 3.7V 100mAh LiPo Battery is designed to meet these requirements, making it highly reliable for wearables, IoT devices, and micro drones. Let’s explore the main features and their real-world advantages.
Lightweight and Compact Design
At just 2.5 grams, the WLY400838 3.7V 100mAh LiPo Battery is incredibly lightweight. With a thickness of only 4mm, width of 8mm, and length of 38mm, it easily fits into slim electronic housings.
Advantages:
- Ideal for wearables where comfort is critical.
- Allows ultra-small IoT devices to remain portable.
- Reduces payload for micro drones, improving flight efficiency.
High Safety Standards with PCM Protection
One of the most important features of the WLY400838 3.7V 100mAh LiPo Battery is its Protection Circuit Module (PCM). This circuit guards the battery against overcharging, over-discharging, and short circuits.
Advantages:
- Increases overall device safety.
- Prevents swelling, overheating, or damage.
- Ensures long operational life in sensitive electronics.
Low Self-Discharge Rate
Unlike older battery chemistries, the WLY400838 3.7V 100mAh LiPo Battery retains its charge when not in use.
Advantages:
- Devices can remain in standby for long durations.
- Reduces the need for frequent recharging.
- Ideal for IoT devices that send data intermittently.
No Memory Effect
Traditional rechargeable batteries like NiCd often suffer from memory effect, which reduces their capacity over time if not fully discharged before recharging. The WLY400838 3.7V 100mAh LiPo Battery has no such limitation.
Advantages:
- Can be recharged at any state without capacity loss.
- Extends usability and simplifies charging habits.
- Perfect for wearables that need partial top-ups during the day.
Good Charging and Discharging Characteristics
The WLY400838 3.7V 100mAh LiPo Battery delivers a steady voltage output throughout its discharge cycle. It can safely charge at 0.5C (50mA) and discharge at 0.5C, with maximum limits of 1C (100mA).
Advantages:
- Ensures stable device performance.
- Prevents sudden shutdowns or voltage drops.
- Makes the battery suitable for continuous-use gadgets.
Long Cycle Life
With ≥300 cycles at 0.5C discharge rate, this battery offers long-term durability. Even after 300 cycles, it retains more than 80% of its capacity.
Advantages:
- Reduces replacement frequency.
- Lowers overall maintenance costs.
- Supports eco-friendly device usage by reducing waste.
High Energy Density
Despite its small size, the WLY400838 3.7V 100mAh LiPo Battery packs significant energy in a compact form.
Advantages:
- Provides extended runtime for wearables and IoT.
- Maximizes performance without increasing size.
- Supports applications where space-saving is essential.
Applications of WLY400838 3.7V 100mAh LiPo Battery
The demand for small, reliable, and rechargeable power sources has grown exponentially in the world of consumer gadgets, IoT systems, and portable electronics. The WLY400838 3.7V 100mAh LiPo Battery is a perfect match for such devices because of its compact design, PCM protection, and dependable energy delivery. Below, we’ll explore the key application areas where this battery proves invaluable.
Wearable Devices
Wearables require lightweight, slim, and long-lasting power sources, and the WLY400838 3.7V 100mAh LiPo Battery is designed exactly for that.
Examples:
- Smartwatches and fitness trackers.
- Medical monitoring devices like heart-rate and glucose trackers.
- Bluetooth-enabled accessories (earbuds, smart jewelry, VR sensors).
Why it’s suitable:
- Its 2.5g weight doesn’t compromise comfort.
- PCM protection ensures user safety, preventing overheating in skin-contact devices.
- ≥300 cycle life makes it reliable for long-term usage.
IoT Applications
The Internet of Things (IoT) ecosystem depends on tiny, energy-efficient batteries to power connected sensors and communication modules. The WLY400838 3.7V 100mAh LiPo Battery offers the perfect balance of compact size and durability.
Examples:
- Wireless environmental sensors (temperature, humidity, air quality).
- Smart home devices like door sensors and alarm systems.
- GPS-enabled trackers and asset monitoring systems.
Why it’s suitable:
- Low self-discharge rate keeps devices running during long standby periods.
- Supports intermittent communication without draining power rapidly.
- Small form factor allows integration into miniature IoT modules.
Micro Drones and Miniature RC Models
In the field of drones, weight-to-power ratio is critical. The WLY400838 3.7V 100mAh LiPo Battery ensures extended flight time without adding bulk.
Examples:
- Micro quadcopters for indoor flying.
- Mini FPV drones used for racing or training.
- Tiny RC toys and robotics kits.
Why it’s suitable:
- Lightweight build enhances drone agility and speed.
- Stable discharge ensures consistent thrust and control.
- PCM protection safeguards sensitive drone electronics.
Portable Consumer Electronics
Many portable gadgets need reliable rechargeable batteries to operate efficiently. The WLY400838 3.7V 100mAh LiPo Battery powers a variety of small electronics.
Examples:
- MP3 players and voice recorders.
- Laser pointers and LED flash devices.
- Miniature Bluetooth devices and wireless transmitters.
Why it’s suitable:
- Compact dimensions (4 × 8 × 38mm) allow easy installation.
- Long-lasting charge supports continuous operation.
- No memory effect simplifies recharging habits.
Electronic Toys & Educational Kits
The WLY400838 3.7V 100mAh LiPo Battery is also a popular choice for powering STEM kits, electronic toys, and DIY projects.
Examples:
- Mini robots and programmable kits for students.
- Remote-controlled miniature cars.
- Light-up electronic craft kits.
Why it’s suitable:
- Safe and protected battery for children’s electronics.
- Long cycle life supports repeated playtime.
- Rechargeability makes it cost-effective for parents and educators.
Safety Guidelines & Handling Instructions for WLY400838 3.7V 100mAh LiPo Battery
Safety is a top priority when working with lithium polymer (LiPo) batteries, especially compact models like the WLY400838 3.7V 100mAh LiPo Battery. While LiPo batteries are highly efficient and lightweight, improper usage can lead to reduced lifespan, overheating, or in rare cases, fire hazards. Following proper safety guidelines ensures reliable performance, long cycle life, and safe operation.
Temperature and Storage Precautions
Avoid Extreme Temperatures
- Never store the battery below 0°C or above 50°C.
- Avoid leaving the battery in direct sunlight or near heat sources.
Benefits:
- Prevents swelling or chemical degradation.
- Maintains consistent capacity over time.
Proper Storage Practices
- Disconnect the battery when not in use.
- Store in non-conductive, fireproof containers.
- If storing for long periods, maintain a 50% charge level to prevent over-discharge.
Charging Guidelines
Recommended Charge Rates
- Continuous charge: 0.5C (50mA)
- Maximum charge: 1C (100mA)
Safe Charging Practices
- Never charge a battery that is still warm from use or a previous charge.
- Use dedicated LiPo chargers with overcharge protection.
- Monitor the battery while charging and avoid leaving it unattended.
Benefits:
- Prevents overheating and fire risks.
- Extends battery cycle life and maintains capacity.
Discharging Guidelines
- Recommended continuous discharge: 0.5C (50mA)
- Maximum discharge: 1C (100mA)
Avoid Over-Discharge
- Never let the voltage drop below 2.75V.
- Over-discharging can damage the cell and shorten its life.
Benefits:
- Ensures safe operation of connected devices.
- Maintains long-term energy efficiency.
Handling and Usage Tips
- Physical Protection – Avoid puncturing or bending the battery. Even minor damage can compromise safety.
- Water Exposure – Keep the battery dry; moisture can cause short circuits.
- Connector Care – Ensure open wires or connectors do not touch conductive surfaces when stored.
- Regular Inspection – Check the battery for swelling, leakage, or unusual heat before use.
Benefits:
- Prevents accidental short circuits.
- Maintains structural integrity and safety.
- Ensures predictable battery performance in electronics.
Disposal and Recycling
- Never dispose of LiPo batteries in household trash.
- Take old or damaged batteries to authorized recycling centers.
- Follow local environmental guidelines for lithium battery disposal.
Benefits:
- Protects the environment from toxic chemicals.
- Encourages sustainable use of rechargeable energy sources.
Advantages Over Other Battery Types: WLY400838 3.7V 100mAh LiPo Battery
The WLY400838 3.7V 100mAh LiPo Battery is designed to outperform traditional battery types in several key areas. Its compact design, high energy density, and long cycle life make it a preferred choice for modern electronics, wearables, IoT devices, and micro drones. Below, we highlight its advantages over NiMH, alkaline, and coin cell batteries.
1. Superior Energy Density
Compared to NiMH or alkaline batteries, the WLY400838 3.7V 100mAh LiPo Battery provides higher energy output in a smaller package.
Benefits:
- Delivers more power per gram of battery.
- Supports longer runtime for small devices.
- Ideal for space-constrained designs like wearables and micro drones.
2. Lightweight Design
With a total weight of just 2.5g, this battery is significantly lighter than most alternatives of equivalent capacity.
Benefits:
- Reduces the overall weight of drones and portable devices.
- Ensures wearables remain comfortable for extended use.
- Enhances mobility and ergonomics in IoT modules.
3. Rechargeable & Eco-Friendly
Unlike disposable batteries, the WLY400838 3.7V 100mAh LiPo Battery can be recharged ≥300 times, making it an environmentally responsible choice.
Benefits:
- Reduces electronic waste.
- Lowers long-term cost of ownership.
- Supports sustainable technology development.
4. PCM Protection for Safety
Many NiMH or coin cell batteries lack integrated protection circuits. The WLY400838 3.7V 100mAh LiPo Battery includes a PCM module to prevent overcharging, over-discharging, and short circuits.
Benefits:
- Enhances user safety in wearables and IoT devices.
- Prevents accidental overheating or device damage.
- Ensures consistent and reliable operation.
5. No Memory Effect
Traditional NiCd batteries suffer from memory effect, reducing usable capacity over time. The WLY400838 3.7V 100mAh LiPo Battery has no memory effect, allowing users to recharge at any state of charge without losing performance.
Benefits:
- Simplifies recharging habits for everyday use.
- Maintains capacity even with frequent partial charges.
- Ensures long-term reliability in microelectronics.
6. Compact Form Factor
The dimensions of 4 × 8 × 38 mm and slim PCB integration make it far more compact than most rechargeable AA, AAA, or coin cells of similar capacity.
Benefits:
- Easy integration into miniature electronics and wearables.
- Ideal for ultra-lightweight drones and IoT gadgets.
- Saves internal space for additional components.
7. Stable Discharge Characteristics
Unlike alkaline or NiMH cells, LiPo batteries maintain stable voltage output until near depletion. The WLY400838 3.7V 100mAh LiPo Battery ensures devices operate consistently without sudden drops.
Benefits:
- Prevents unexpected shutdowns in drones, wearables, and sensors.
- Enhances reliability in critical applications like medical devices.
- Supports high-efficiency power delivery in low-capacity electronics.
8. Versatility Across Applications
The combination of lightweight, high energy density, safety features, and rechargeability makes the WLY400838 3.7V 100mAh LiPo Battery suitable for a wider range of applications than alternatives.
Applications include:
- Wearables (smart bands, health monitors).
- Micro drones (toy drones, FPV drones).
- IoT devices (wireless sensors, smart home modules).
- Portable electronics and DIY electronics kits.
Buyer Guidance for WLY400838 3.7V 100mAh LiPo Battery
When to Choose This Battery
-
When you need a compact, lightweight, and rechargeable battery.
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For low to medium current devices such as wearables, micro drones, or IoT sensors.
-
When safety and cycle life are critical to your project.
Tips for Selecting the Right Battery
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Voltage Compatibility – Ensure your device supports 3.7V LiPo cells.
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Capacity Requirement – 100mAh is ideal for low-power, space-constrained applications.
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Size Consideration – With its compact dimensions, it fits in slim and miniaturized devices.
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Safety Features – Look for PCM protection to safeguard devices and users.
Comparison with Alternatives
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Coin Cells: Smaller energy capacity, non-rechargeable.
-
NiMH Batteries: Heavier, lower energy density, may suffer from memory effect.
-
Larger LiPo Packs: More power but heavier and bulkier for miniature devices.
Conclusion
The WLY400838 3.7V 100mAh LiPo Battery from NDB&C by LOFTY AGROTECH is more than just a small rechargeable battery—it is a power enabler for modern electronics. Its compact size, lightweight design, PCM protection, stable discharge, and long cycle life make it ideal for wearables, micro drones, IoT sensors, and other portable devices.
By choosing this battery, users and manufacturers gain:
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Reliable and consistent power for low to medium-energy applications.
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Safety and durability thanks to PCM protection.
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Eco-friendly, cost-effective operation through rechargeability.
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Compact design suitable for space-constrained devices.
Whether it’s powering a smartband, micro drone, or wireless sensor, the WLY400838 3.7V 100mAh LiPo Battery ensures that your device operates efficiently, safely, and reliably. Its performance, versatility, and protection features make it a preferred choice for hobbyists, engineers, and manufacturers seeking high-quality miniature power solutions.
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