logo
Good price  online

products details

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

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

Brand Name: RESKY
Model Number: LP501540
MOQ: 500pcs
Price: Negotiable
Packaging Details: Paper box
Payment Terms: T/T,Western Union
Detail Information
Place of Origin:
China
Certification:
CE, RoHS, MSDS, Un38.3
Capacity:
280mAh
OEM Service:
YES
Electrolyte:
Li(Nicomn)O2
Cycle Life:
500times
Warranty:
12months
Shipping:
UPS, DHL, FedEx, TNT, By Air, By Sea, Special Line
Lead Time:
Within 7-10 Workdays
Connector:
Jst, Molex....
Specification:
5*15*40mm
Weight:
4g
Supply Ability:
50000pcs/dat
Highlight:

Lithium Lifepo4 battery cell 3.7v

,

Rechargeable Li polymer battery pack 280mAh

,

501540 lithium battery with warranty

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 3.7v 280mAh Rechargeable Li Polymer Battery Pack 0 Lithium Lifepo4 Battery Cell 501540 3.7v 280mAh Rechargeable Li Polymer Battery Pack 1 Lithium Lifepo4 Battery Cell 501540 3.7v 280mAh Rechargeable Li Polymer Battery Pack 2 Lithium Lifepo4 Battery Cell 501540 3.7v 280mAh Rechargeable Li Polymer Battery Pack 3 Lithium Lifepo4 Battery Cell 501540 3.7v 280mAh Rechargeable Li Polymer Battery Pack 4
Ratings & Review

Overall Rating

5.0
Based on 50 reviews for this supplier

Rating Snapshot

The following is the distribution of all ratings
5 stars
100%
4 stars
0%
3 stars
0%
2 stars
0%
1 stars
0%

All Reviews

A
Andrius
Lithuania Apr 16.2025
High quality, working well on our portable medical devices, Resky is a reliable supplier for lithium battery
S
SIRIEYS
France Jul 19.2023
After many discharging/charging cycles of the samples LP604070 2000mah you sent…..we are satisfied !
A
Anna
Lithuania Nov 30.2022
This battery cell with very stable performance, working very nice on our portable medical devices.