Description
WLY502040 3.7V 400mAh 1S LiPo Battery – The Ultimate Micro Rechargeable Power Solution
The WLY502040 3.7V 400mAh 1S LiPo Battery by NDB&C by LOFTY AGROTECH is a premium, high-performance, single-cell lithium polymer battery designed for modern electronic applications. Combining lightweight design, high capacity, stable voltage output, and eco-friendly rechargeability, this battery offers a reliable power solution for a wide range of devices, including micro drones, wearable electronics, IoT devices, DIY electronics projects, robotics, and educational kits. Its compact form factor ensures seamless integration into portable devices without compromising performance or battery life.
Key Features and Advantages
The WLY502040 3.7V 400mAh 1S LiPo Battery provides high-capacity energy in a compact and lightweight package. Key features include:
- High Capacity: 400mAh for extended operational runtime.
- Stable Voltage: Consistent 3.7V output ensures smooth performance.
- Rechargeable Design: Eco-friendly and cost-effective, supporting over 300 life cycles.
- Compact and Lightweight: Only 8 grams, measuring 5mm × 20mm × 40mm.
- Open-Wire Connector: Easy integration with PCBs and devices.
- Versatile Applications: Ideal for micro drones, wearables, IoT devices, robotics, and DIY projects.
High-Capacity Performance Explained
The WLY502040 3.7V 400mAh 1S LiPo Battery provides a significant energy reserve, allowing devices to operate for longer periods without interruption. For micro drones, this translates into extended flight times and smoother motor control. In wearables, it means fewer charges and longer monitoring periods. IoT devices benefit from consistent operation even in remote or constrained environments. Compared to standard single-cell batteries with lower capacity, this battery reduces downtime and ensures reliable energy delivery for your projects.
Stable Voltage Output and Its Importance
Voltage stability is crucial for electronic devices, especially in sensitive applications like drones, wearables, and IoT systems. The WLY502040 3.7V 400mAh 1S LiPo Battery maintains a consistent 3.7V output, preventing voltage drops that can compromise device performance. Stable voltage ensures accurate sensor readings, smooth motor control, and uninterrupted device operation, making this battery an ideal choice for critical and portable applications.
Compact and Lightweight Design Benefits
Weighing just 8 grams and measuring 5mm × 20mm × 40mm, the WLY502040 3.7V 400mAh 1S LiPo Battery is easy to integrate into space-constrained devices. Micro drones benefit from reduced weight, improving flight efficiency and maneuverability. Wearable devices remain comfortable and ergonomic, while DIY electronics enthusiasts can include this battery without increasing project size. Its compact form factor makes it versatile for multiple applications without sacrificing energy capacity.
Rechargeable and Eco-Friendly Features
The WLY502040 3.7V 400mAh 1S LiPo Battery is fully rechargeable, supporting over 300 life cycles under standard conditions. This not only provides a cost-effective power solution but also reduces environmental waste compared to disposable batteries. Rechargeable batteries like this one are ideal for professionals and hobbyists who want to maintain high-performance devices without recurring battery purchases.
Applications of the WLY502040 3.7V 400mAh 1S LiPo Battery
Micro Drones
In micro drones, this battery delivers longer flight times, stable motor output, and reduced power fluctuations. Its lightweight design ensures that drones maintain maneuverability and flight efficiency, while the 400mAh capacity supports extended missions or high-performance flight activities.
Wearable Electronics
Wearables such as smartwatches, health monitors, and fitness trackers require small, lightweight, and reliable batteries. The WLY502040 3.7V 400mAh 1S LiPo Battery provides consistent power without frequent recharging, ensuring wearable devices remain operational throughout the day.
IoT Devices
IoT sensors and controllers often operate in remote locations and must run continuously without failure. The WLY502040 3.7V 400mAh 1S LiPo Battery offers reliable and consistent energy, enabling smart home devices, industrial sensors, and environmental monitoring equipment to function effectively over long periods.
DIY Electronics Projects
For DIY enthusiasts and engineers, this battery allows flexible integration into custom circuits, PCBs, and prototypes. Its open-wire design facilitates quick installation and adaptation for unique electronic setups. The WLY502040 3.7V 400mAh 1S LiPo Battery is perfect for hobbyist projects, robotics, and experimental electronics where performance, size, and reliability matter.
Robotics and Educational Kits
The battery is well-suited for robotics projects and educational electronics kits. Its compact size and high capacity make it an excellent choice for small-scale robots, programmable drones, and STEM education kits where students or developers need safe, reliable, and reusable energy solutions.
Technical Specifications
- Model Number: WLY502040
- Nominal Voltage: 3.7V
- Nominal Capacity: 400mAh
- Continuous Charge/Discharge Current: 0.5C
- Maximum Charge/Discharge Rate: 1C
- Connector Type: Open-Wire
- Life Cycles: ≥300 under standard conditions
- Dimensions: 5mm × 20mm × 40mm
- Weight: 8g
These specifications make the WLY502040 3.7V 400mAh 1S LiPo Battery highly versatile, safe, and reliable for a variety of electronic applications.
Comparison with Standard LiPo Batteries
Compared to standard single-cell LiPo batteries, the WLY502040 3.7V 400mAh 1S LiPo Battery offers:
- Higher capacity: 400mAh vs 200–300mAh
- Stable voltage output: 3.7V consistent vs variable
- Longer recharge cycles: 300+ vs 200 or fewer
- Compact design: Fits into smaller devices
- Eco-friendly: Rechargeable and cost-effective
This makes it a superior option for professionals, hobbyists, and educators who require long-lasting, reliable energy in compact electronics.
Safe Charging Practices for the WLY502040 3.7V 400mAh 1S LiPo Battery
Proper charging is essential to maintain the longevity, performance, and safety of the WLY502040 3.7V 400mAh 1S LiPo Battery. Following recommended procedures prevents damage, reduces the risk of accidents, and ensures reliable power delivery for devices such as micro drones, wearable electronics, IoT devices, and DIY electronics projects.
1. Use a LiPo-Compatible Charger
Always charge the WLY502040 3.7V 400mAh 1S LiPo Battery with a charger specifically designed for lithium polymer (LiPo) batteries. LiPo chargers provide precise voltage and current control, preventing overcharging or excessive current draw that can damage the battery. Avoid using generic chargers that lack LiPo settings, as they can compromise battery safety and performance.
2. Charge at Recommended Rates
For optimal safety and battery health, charge the WLY502040 3.7V 400mAh 1S LiPo Battery at 0.5C for standard operation. This translates to a gentle and steady current suitable for daily charging, minimizing heat generation and stress on the cells. For rapid charging, ensure the current does not exceed 1C, as higher rates can lead to overheating, reduced life cycles, or potential damage.
3. Avoid Overcharging Above 4.2V
Never exceed the maximum cell voltage of 4.2V. Overcharging can cause the battery to swell, generate excessive heat, or even lead to thermal runaway in extreme cases. LiPo-compatible chargers typically have built-in overcharge protection, but it is still essential to monitor the battery during the charging process.
4. Avoid Discharging Below 2.75V
Discharging the WLY502040 3.7V 400mAh 1S LiPo Battery below 2.75V can permanently damage the cells and reduce capacity. Devices should be powered down or recharged before reaching critically low voltages to prevent deep discharge. For extended storage, maintain a 50–60% charge level to preserve battery health.
5. Never Puncture, Short-Circuit, or Expose to Extreme Temperatures
Physical damage or exposure to unsafe conditions can severely compromise the battery. Never puncture, crush, or bend the WLY502040 3.7V 400mAh 1S LiPo Battery, as this can cause internal short circuits. Avoid placing the battery in direct sunlight, near heating sources, or in extremely cold environments, as temperature extremes can reduce efficiency and increase the risk of failure.
6. Monitor During Charging
Always charge the battery in a safe, non-flammable area. Avoid leaving it unattended for extended periods. Regular monitoring ensures early detection of any swelling, excessive heat, or unusual behavior, allowing preventive measures before damage occurs.
By following these safe charging practices, the WLY502040 3.7V 400mAh 1S LiPo Battery will deliver consistent 3.7V output, long-lasting performance, and reliable operation across hundreds of recharge cycles, keeping your micro drones, wearables, IoT devices, and DIY electronics powered efficiently and safely.
Proper Storage and Handling
Store the WLY502040 3.7V 400mAh 1S LiPo Battery at around 50–60% charge in a cool, dry place. Avoid exposure to direct sunlight, high humidity, or extreme temperatures. Proper storage preserves battery life and ensures the battery remains ready for deployment in critical applications.
Troubleshooting and Maintenance for the WLY502040 3.7V 400mAh 1S LiPo Battery
To ensure reliable operation and maximize the lifespan of the WLY502040 3.7V 400mAh 1S LiPo Battery, it is essential to understand common issues, their causes, and effective maintenance practices. Regular care not only prolongs battery life but also guarantees safe usage across various applications such as micro drones, wearable electronics, IoT devices, and DIY projects.
1. Battery Not Holding Charge
If the WLY502040 3.7V 400mAh 1S LiPo Battery fails to hold a full charge, the first step is to verify the charging process. Ensure that a LiPo-compatible charger is used and that the charging rate does not exceed the recommended 0.5C continuous or 1C maximum. Check for damaged or frayed wires, loose connections, or faulty connectors, as these can prevent the battery from receiving or storing charge properly. In some cases, repeated deep discharges can temporarily reduce capacity, so try charging before the battery is fully drained.
2. Voltage Drops Under Load
Occasional voltage drops during device operation can indicate improper connections, excessive load, or partial discharge. Confirm that all connectors are securely attached and free from corrosion. Ensure the battery is fully charged before use, as a partially discharged WLY502040 3.7V 400mAh 1S LiPo Battery may exhibit temporary voltage fluctuations under load. Avoid drawing current beyond the battery’s rated limits (0.5C continuous, 1C max), as overcurrent conditions can cause significant voltage sag.
3. Overheating During Operation or Charging
Overheating is a common issue when the battery is exposed to high currents, short circuits, or environmental extremes. Always operate the WLY502040 3.7V 400mAh 1S LiPo Battery within recommended current limits and avoid exposing it to direct sunlight, hot environments, or enclosed spaces without ventilation. If the battery becomes hot to the touch during normal use, immediately disconnect it and allow it to cool before further operation. Persistent overheating may indicate internal damage, and the battery should be replaced to ensure safety.
4. Regular Inspection and Maintenance
Periodic inspection is key to maintaining the WLY502040 3.7V 400mAh 1S LiPo Battery in peak condition. Look for signs of swelling, leakage, corrosion on connectors, or damaged wires. Ensure that terminals are clean and connections are tight. Avoid mechanical stress, punctures, or bending the battery, as these can compromise internal cells and reduce lifespan.
5. Storage and Idle Maintenance
When storing the battery for extended periods, maintain it at 50–60% charge in a cool, dry environment. This reduces internal stress on the cells and prevents capacity loss. Avoid storing fully charged or fully discharged batteries, and always monitor for swelling or unusual behavior during storage.
By following these troubleshooting and maintenance practices, the WLY502040 3.7V 400mAh 1S LiPo Battery can maintain a stable 3.7V output, deliver consistent performance, and remain safe for hundreds of recharge cycles. Proper care ensures that micro drones, wearables, IoT devices, and DIY electronics powered by this battery perform reliably under all conditions.
Tips for Maximizing Battery Life
To ensure that your WLY502040 3.7V 400mAh 1S LiPo Battery performs optimally and maintains its longevity, it is essential to follow a few best practices. Proper care not only prolongs battery life but also ensures consistent and safe operation across all applications.
- Avoid Frequent Full Discharges
Repeatedly discharging the battery to 0% can significantly reduce its lifespan. Aim to recharge the WLY502040 3.7V 400mAh 1S LiPo Battery before it reaches critically low levels, ideally around 20–30% capacity. Partial discharges followed by timely recharges help maintain the chemical stability of the lithium polymer cells and prevent premature degradation. - Store at 50–60% Charge When Not in Use
If the battery is not going to be used for an extended period, store it at around 50–60% charge rather than fully charged or fully drained. This storage voltage minimizes internal stress on the battery cells, reducing capacity loss over time and ensuring that the WLY502040 3.7V 400mAh 1S LiPo Battery remains ready for use even after months of inactivity. - Charge at Recommended Rates Only
Always follow the specified charge rate for the WLY502040 3.7V 400mAh 1S LiPo Battery, which is 0.5C for continuous charging and a maximum of 1C for rapid charging. Using chargers that exceed these rates can generate excess heat, damage the battery, and shorten its operational life. Employ a reliable LiPo-compatible charger and monitor charging cycles whenever possible. - Avoid Mechanical Damage or Punctures
Physical damage is one of the leading causes of LiPo battery failure. Never puncture, crush, or expose the WLY502040 3.7V 400mAh 1S LiPo Battery to impacts, as this can cause internal short circuits, swelling, or even hazardous situations. Handle with care during installation, removal, or transportation. - Keep in a Stable Temperature Environment
Extreme temperatures can negatively affect battery performance and lifespan. Avoid storing or using the WLY502040 3.7V 400mAh 1S LiPo Battery in areas exposed to direct sunlight, high heat, or freezing conditions. Ideally, maintain storage and operation within a 20–25°C (68–77°F) range, ensuring safe performance and minimal voltage fluctuation. - Regular Inspection and Maintenance
Periodically inspect the battery for swelling, corrosion at the connectors, or any irregularities. Clean connectors gently if needed and ensure that wires and terminals are not damaged. Regular maintenance guarantees that your WLY502040 3.7V 400mAh 1S LiPo Battery continues to deliver stable 3.7V output reliably.
By following these best practices, users can maximize the lifespan, efficiency, and safety of the WLY502040 3.7V 400mAh 1S LiPo Battery, ensuring it continues to provide high-performance, consistent power for hundreds of cycles, whether used in micro drones, wearables, IoT devices, or DIY electronics projects.
Energy Efficiency in Small Electronics
The WLY502040 3.7V 400mAh 1S LiPo Battery is optimized for low energy loss and high efficiency, which is essential for compact devices. Micro drones, wearables, and IoT devices benefit from minimal power wastage, longer operation, and improved device stability.
Case Studies and Example Applications
- Micro Drone Racing: Extended flight time with smooth motor response.
- Smart Fitness Tracker: Continuous monitoring for over 24 hours.
- IoT Environmental Sensor: Reliable data collection in remote locations.
- Robotics Kits for Education: Safe, compact, and reusable power for student projects.
The WLY502040 3.7V 400mAh 1S LiPo Battery proves versatile across applications, making it a trusted solution for both hobbyists and professionals.
FAQs About the WLY502040 3.7V 400mAh 1S LiPo Battery
Q1: Is this battery compatible with all micro drones?
A: It is compatible with most micro drones that accept 1S LiPo batteries.
Q2: How long does a full charge last?
A: Depending on the device, the 400mAh capacity provides several hours of operation for low-power applications.
Q3: Can it be charged with any LiPo charger?
A: Yes, as long as the charger supports 1S LiPo batteries and recommended charge rates.
Q4: What is the expected lifespan?
A: Over 300 full charge/discharge cycles under standard conditions.
Q5: Can it be used for DIY electronics projects?
A: Absolutely. Its open-wire connector and compact design make it ideal for prototypes and custom projects.
Conclusion
The WLY502040 3.7V 400mAh 1S LiPo Battery from NDB&C by LOFTY AGROTECH is a premium, versatile, and reliable energy solution for micro drones, wearable electronics, IoT devices, DIY projects, and robotics. With its high capacity, stable 3.7V output, compact design, rechargeable eco-friendly construction, and safe operation, it provides consistent performance across hundreds of cycles. Upgrade your electronics projects with this battery and experience reliable, long-lasting, and high-efficiency power.
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