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3.7 V Li-ion Battery 30~500mAh
Explore 3.7V Li-ion batteries ranging from 30mAh to 500mAh, ideal for lightweight devices like fitness trackers, medical equipment, and wireless sensors. With high energy density and reliable performance, these batteries deliver precision and longevity.
3.7 V Li-ion Battery 401220-60mah
  • 3.7 V Li-ion Battery 401220-60mah
  • 3.7 V Li-ion Battery 401220-60mah
  • 3.7 V Li-ion Battery 401220-60mah
  • 3.7 V Li-ion Battery 401220-60mah
  • 3.7 V Li-ion Battery 401220-60mah
  • 3.7 V Li-ion Battery 401220-60mah
  • 3.7 V Li-ion Battery 401220-60mah
  • 3.7 V Li-ion Battery 401220-60mah
  • 3.7 V Li-ion Battery 401220-60mah
  • 3.7 V Li-ion Battery 401220-60mah
  • 3.7 V Li-ion Battery 401220-60mah
  • 3.7 V Li-ion Battery 401220-60mah
3.7 V Li-ion Battery 401220-60mah
  • Model: 401220
  • SKU: YXE401220
Functions reliably even at -40℃, ideal for harsh environments. A stable 3.7 V output ensures consistent power delivery for various electronics. Extended cycle life maximizes usage, ensu
  • Functions reliably even at -40℃, ideal for harsh environments.

  • A stable 3.7 V output ensures consistent power delivery for various electronics.

  • Extended cycle life maximizes usage, ensuring cost efficiency.

  • Built-in protections against overcharging, over-discharging, and short circuits for secure performance.

  • Tailored for diverse device needs with customizable capacities and sizes.

Product Details

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Lithium batteries exhibit varying discharge rates. Mingyu batteries support a maximum discharge rate of 5.0C, delivering high power output in short durations.
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Mingyu lithium battery maintains over 80% capacity after 500 cycles at room temperature,utilizing 0.5C charge and discharge conditions.
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Batteries exhibit differential self-discharge rates at 100% and 70% charge states.
Self-discharge is higher at 100% state of charge (SOC) compared to 70% SOC.
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Lithium batteries operate within the -20°C to 60°C discharge temperature range.
 Mingyu custom low-temperature batteries can be used for -40°C to 55°C operation, catering to diverse outdoor scenarios.
Battery Capacity Testing
Before shipment, each lithium battery undergoes meticulous testing to validate voltage, current, and other essential parameters, ensuring consistency and reliability in performance.
Environmentally Friendly
We use A-grade batteries, eco-friendly, safe and no droplet, energy-saving and environmentally friendly, economical and durable.
Environmentally Friendly

Li-ion Battery Series Table Display

Battery   Name Lithium Polymer Battery
Certification UN38.3 / IEC62133 / KC / CB /   UL1642 / UL2054 / BIS / WERCS / PSE / CE / ROHS /CCC
Nominal   Voltage 3.7V
Model Customized as needed
Advantage 5C fast charging technology   features, 10 minutes charging more than 80%.
High cycle life technology   features, battery life is 3 times that of the industry
Semi-solid-state lithium battery   technology features, the cycle life is increased by 30%-50% compared with   ordinary liquid<br>batteries, and the battery capacity is increased by   20% 
High and low temperature lithium   battery technology characteristics, ultra-low temperature 0.2C discharge   battery capacity retention rate of more than 70%. 
Graphene lithium battery   technology features, internal resistance reduced by 30%, cycle doubled, and   rate increased by 20% 
High energy density   technology 
OEM/ODM Thickness range from 2mm to 14mm
Capacity range from 50mAh to   10000mAh+
Mini Lipo Battery High   Temperature Battery,LiPo Battery Pack,Uitra Thin LiPoBattery,Smallest LiPo   Battery 
Cycle   life 500 Times
Warranty 12 Months
Appllcatlons Office Series
Intelligent robot series   products
Personal care and beauty   products
Smart home series products
Learning and education products
Pet series products
IoT GPS series products
Security products
Wearable products
Health care series products
Tablet PC series products
Model airplane series products

3.7 V Li-ion Battery 401220-60mah Lithium Ion Battery Application


Lithium Polymer Battery for Security Surveillance Systems

Specifically crafted for security surveillance systems, our lithium batteries ensure 24/7 uninterrupted protection with ultra-long standby time and exceptional stability. Consistent power output guarantees clear video recording and real-time monitoring for comprehensive property and personal safety. Their compact designs seamlessly integrate into various cameras and alarm systems, ensuring reliable performance around the clock.

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Lithium Polymer Battery for Industrial Testing Instruments

Specifically crafted for industrial testing instruments, our lithium batteries ensure precise measurements with stable voltage output and excellent anti-interference capability. Consistent performance guarantees accurate data collection for critical production quality control. Their durable designs seamlessly integrate into various multimeters and analyzers, ensuring uninterrupted operation in harsh industrial environments.

Handheld circuit detector.jpg



Lithium Polymer Battery for Warehouse Logistics Equipment


Specifically crafted for warehouse logistics equipment, our lithium batteries ensure efficient operations with fast charging speed and high cycle life. Consistent power delivery guarantees smooth barcode scanning and inventory management for streamlined supply chain workflows. Their lightweight designs seamlessly integrate into various handheld terminals and scanners, ensuring all-day productivity without frequent recharging.

Handheld scanning and inventory machine.jpg



Lithium Polymer Battery for Remote-Controlled Toys

Specifically crafted for remote-controlled toys, our lithium batteries ensure endless fun with extended playtime and reliable power delivery. Consistent performance guarantees smooth operation and responsive control for immersive entertainment experiences. Their safe designs seamlessly integrate into various RC cars, drones and robots, ensuring worry-free enjoyment for children and enthusiasts alike.

Intelligent remote-controlled toy car.jpg



Lithium Polymer Battery for Portable Power Stations

Specifically crafted for portable power stations, our lithium batteries ensure reliable outdoor power with large capacity and multiple output ports. Consistent performance guarantees simultaneous charging of various devices for camping, hiking and emergency situations. Their compact designs seamlessly integrate into different portable power solutions, ensuring uninterrupted electricity wherever you go.

Large-capacity outdoor power bank.jpg

The Complete Guide For 3.7 V Li-ion Battery 401220-60mah

The 3.7 V Li-ion Battery 401220-60mah is an ultra-thin miniature power source for tiny low-power electronic devices. This guide introduces its strengths, parameters, safety notes, maintenance and purchase suggestions.

Part 1. Advantages and Applications

With ultra-slim dimension, high energy density and stable output, this 401220 battery is perfect for compact wearables, tiny Bluetooth accessories, micro sensors and mini electronic components. Its rechargeable design is cost-effective and eco-friendly, fitting both standard and customized products.

Part 2. Technical Specifications

It comes with 3.7V nominal voltage and 60mAh capacity to support normal operation of micro devices. It complies with general lithium-ion charging standards and features steady discharge performance. Proper use helps maintain its stability and service life.

Part 3. Safety and Handling

Correct operation prevents malfunctions and safety risks. Built-in multi-protection circuits protect against overcharge, over-discharge, over-current, short circuit and abnormal temperature. Store and use it in a cool, dry and ventilated area, away from direct sunlight and moisture, and follow product instructions strictly.

Part 4. Maintenance and Longevity

Avoid deep discharge in daily use and only use certified lithium-ion chargers. For long-term storage, keep charge level at 40%-60%, and recharge every 3 to 6 months to prevent capacity attenuation.

Part 5. Buying Guide and Recommendations

Choose 401220-60mah lithium batteries from MingYu energy. Our strict quality inspection and professional technical support ensure consistent and reliable performance for your applications.


  • Q1. Can you provide cell traceability?
  • Q2. Does charging in low temperature damage the battery?
  • Q3. Do you have formal quality standard documents?
  • Q4. Can you ship via battery-specialized lines?
  • Q5. Can you send photos/videos during production?
  • Q6. Can samples go through the same testing process as mass production?
  • Q7. Is your BMS in-house or outsourced?
  • Q8. Can batteries be connected in series/parallel?
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High Energy Density
It stores large amounts of energy in a smaller and lighter package
Longer Cycle Life
Withstands extensive charge and discharge cycles
Low Self-Discharge
Maintains power longer when not in use
Safety
Minimizes the risk of accidents and ensures safe operation
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