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3.7 V 锂离子电池 500-1000mAh
3.7 V Li-ion Battery 503048-750mah
  • 3.7 V Li-ion Battery 503048-750mah
  • 3.7 V Li-ion Battery 503048-750mah
  • 3.7 V Li-ion Battery 503048-750mah
  • 3.7 V Li-ion Battery 503048-750mah
  • 3.7 V Li-ion Battery 503048-750mah
  • 3.7 V Li-ion Battery 503048-750mah
  • 3.7 V Li-ion Battery 503048-750mah
  • 3.7 V Li-ion Battery 503048-750mah
  • 3.7 V Li-ion Battery 503048-750mah
  • 3.7 V Li-ion Battery 503048-750mah
  • 3.7 V Li-ion Battery 503048-750mah
  • 3.7 V Li-ion Battery 503048-750mah
3.7 V Li-ion Battery 503048-750mah
  • Model: 503048
  • SKU: YXE503048
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.
应用领域

Li-ion Battery Series Table Display

Battery   NameLithium Polymer Battery
CertificationUN38.3 / IEC62133 / KC / CB /   UL1642 / UL2054 / BIS / WERCS / PSE / CE / ROHS /CCC
Nominal   Voltage3.7V
ModelCustomized as needed
Advantage5C 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/ODMThickness 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   life500 Times
Warranty12 Months
AppllcatlonsOffice 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 503048-750mah Lithium Ion Battery Application

Lithium Polymer Battery for Smart Temperature Control Water Bottles

Our batteries for smart temperature control water bottles feature high energy density and low power consumption, supporting continuous temperature display and long-lasting battery life. They adopt a compact design to fit seamlessly into slim bottle structures, delivering stable performance for daily hydration tracking. Besides, they ensure reliable operation even with frequent use, keeping your water temperature visible at all times

Smart insulated cup.jpg



Lithium Polymer Battery for Automatic Pet Feeders

Our batteries for automatic pet feeders feature long cycle life and low self-discharge rate, supporting scheduled feeding and continuous operation even during power outages. They adopt a stable power output design to ensure consistent feeder performance, delivering reliable power for pet care while you’re away. Besides, they maintain long endurance to keep your pets fed on time, with no interruptions to their daily routines.

Automatic pet feeder.jpg



Lithium Polymer Battery for Kids’ Dictionary Scanning Pens

Our batteries for kids’ dictionary scanning pens feature high energy density and quick charging capability, supporting long study sessions with continuous scanning and translation functions. They adopt low-power consumption design to ensure all-day use between charges, delivering stable performance for language learning and homework help. Besides, they provide safe and reliable power for frequent use, keeping kids’ learning tools ready whenever needed.

Intelligent Learning Pen.jpg



Lithium Polymer Battery for Neck & Shoulder Massagers

Our batteries for neck and shoulder massagers feature high energy density and long cycle life, supporting extended massage sessions with multiple intensity levels. They adopt a compact, lightweight design for easy portability, delivering stable power for relaxing massages at home, in the office, or while traveling. Besides, they ensure consistent performance with frequent use, keeping your massage device ready to relieve stress anytime.

Massage device.jpg



Lithium Polymer Battery for Home Blood Pressure Monitors

Our batteries for home blood pressure monitors feature stable voltage output and long cycle life, ensuring accurate and consistent readings for daily health monitoring. They adopt low-power consumption design for extended use between charges, delivering reliable performance for at-home blood pressure tracking. Besides, they maintain consistent operation even with frequent use, supporting uninterrupted health management for the whole family.

Portable blood pressure monitor.jpg

The Complete Guide For 3.7 V Li-ion Battery 503048-750mah

This 3.7V lithium-ion battery (503048, 750mAh) is a practical rechargeable cell for portable electronic devices.

Part 1. Advantages and Applications

With compact size, high energy density and stable power supply, it is suitable for smart wearables, Bluetooth devices, small portable appliances and other low-power electronics. The rechargeable design is cost-efficient and eco-friendly, supporting standard and customized production.

Part 2. Technical Specifications

Nominal Voltage: 3.7VRated Capacity: 750mAhIt conforms to general lithium-ion charging standards and offers steady discharge performance. Correct usage keeps the battery stable and extends its service life.

Part 3. Safety and Handling

Equipped with multi-protection circuits against overcharge, over-discharge, over-current, short circuit and overheating. Please use and store it in a cool, dry and ventilated place, away from direct sunlight and humidity. Follow operating 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 the remaining power at 40%-60%, and recharge every 3 to 6 months to prevent capacity loss.

Part 5. Buying Guide and Recommendations

Choose 503048-750mah lithium batteries from MingYu energy. Our strict quality control and professional technical support deliver stable and reliable performance for your products.


  • 问1. Can you provide cell traceability?
  • 问2. Does charging in low temperature damage the battery?
  • 问3. Do you have formal quality standard documents?
  • 问4. Can you ship via battery-specialized lines?
  • 问5. Can you send photos/videos during production?
  • 问6. Can samples go through the same testing process as mass production?
  • 问7. Is your BMS in-house or outsourced?
  • 问8. Can batteries be connected in series/parallel?
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高能量密度
它在更小更轻的包装中储存了大量的能量
更长的循环寿命
能够承受长时间的充放电循环
自放电率低
不使用时保持更长时间的电源
安全
将事故风险降至最低,确保安全运行
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