Shenzhen Resky Electronics Co., Ltd.
                                                                                                           
Verified Supplier
14 Years
Since 2012
Menu

Lithium Lifepo4 Battery Cell 501540 3.7v 280mAh Rechargeable Li Polymer Battery Pack

Price Negotiable
Price: Negotiable
MOQ: 500pcs
Delivery Time: 7-10days
Brand: RESKY
Product Description
Lithium LiFePO4 Battery Cell 501540 3.7V 280mAh Rechargeable Li Polymer Battery Pack
High-performance 3.7V 280mAh rechargeable lithium polymer battery cell designed for reliable power in demanding applications.
Technical Specifications
Item Specifications
Battery Type 3.7V 280mAh LiPo Battery
Charge Voltage 4.2V
Nominal Voltage 3.7V
Nominal Capacity 280mAh (0.2C Discharge)
Charge Current Standard: 0.2C
Rapid: 1.0C
Standard Charging Method 0.5C CC charge to 4.2V, then CV (4.2V) charge until current ≤0.05C
Charging Time Standard: 2.75 hours
Rapid: 2 hours
Max Charge Current 0.5C
Max Discharge Current 1.0C
Discharge Cut-off Voltage 2.5V ±0.25V (0.2C)
Operating Temperature Charging: 0°C ~ 45°C
Discharging: 0°C ~ 45°C
Storage Temperature -10°C ~ +45°C
Dimensions Length: 40±0.5mm (excluding tabs)
Width: 15±0.5mm
Thickness: 5±0.2mm
Drop Test 1 meter drop onto concrete ground twice - No fire, no leakage
Cycle Life ≥800 cycles
Advantages for Medical Device Applications
High and Stable Voltage Platform
Nominal voltage of 3.7V with minimal fluctuations during discharge eliminates the need for complex voltage regulation circuits, making it ideal for precision equipment like blood glucose meters and immunochromatographic analyzers.
High Energy Density and Portability
Energy density of 200-250 Wh/kg enables compact device designs, perfect for portable medical devices such as handheld ultrasound probes and mini ECG recorders.
Mature Technology and Consistency
Stable mass production technology ensures minimal batch-to-batch performance differences, supporting large-scale production with high consistency requirements.
Applications
  • Consumer Electronics: Bluetooth headsets, speakers, MP3/MP4 players, reading pens, voice recorders
  • Medical & Wearable Equipment: Cervical massagers, smart bracelets, blood glucose meters
  • Outdoor & Industrial Equipment: Walkie-talkies, GPS locators, handheld electric drills
Product Images
Lithium LiFePO4 Battery Cell 501540 front view Lithium LiFePO4 Battery Cell 501540 side view Lithium LiFePO4 Battery Cell 501540 technical specifications Lithium LiFePO4 Battery Cell 501540 dimensional diagram Lithium LiFePO4 Battery Cell 501540 application examples

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Shenzhen Resky Electronics Co., Ltd.
Location Room 1405-1, Building 3B, Huaqiang Idea Park, Guangming Street, Guangming District, Shenzhen, Guangdong Province,China
Contact Person Alice

Request A Quote

Please check your email address.
Your message must be at least 20 characters.