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3.7V 500mAh Lithium Polymer Battery Compact 502248 Size for Bluetooth Earphones

3.7V 500mAh Lithium Polymer Battery Compact 502248 Size for Bluetooth Earphones

Brand Name: RESKY
Model Number: LP502248
MOQ: 100pcs
Price: Negotiable
Packaging Details: Blister tray package with paper box
Payment Terms: Western Union,T/T
Detail Information
Place of Origin:
China
Certification:
CE, RoHS, MSDS,Un38.3,IEC62133
Model NO.:
LP502248
Electrolyte:
Li(Nicomn)O2
Rechargeable:
Chargeable
Nominal Capacity:
500mAh
Charging Current:
0.2c
Continuous Discharging Current:
0.5c
Max Discharging Current:
1c
Weight:
7g
MOQ:
100PCS
Warranty:
12months
Supply Ability:
50000pcs/day
Highlight:

3.7V 500mAh lithium polymer battery

,

compact 502248 size battery

,

Bluetooth earphones lithium battery

Product Description
Factory Lipo Batteries 502248 3.7V 500mAh 1.85Wh Power Lithium Polymer Battery Cell For Bluetooth Earphones

High-performance rechargeable lithium polymer battery designed for LED lights and various electronic devices. Features stable voltage output, long cycle life, and excellent safety performance.

Technical Specifications
Item Specification
Battery Type 3.7V 500mAh LiPo Battery
Charge Voltage 4.2V
Nominal Voltage 3.7V
Nominal Capacity 500mAh @ 0.2C Discharge
Charge Current Standard: 0.2C
Rapid: 1.0C
Standard Charging Method 0.5C CC charge to 4.2V, then CV charge till 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: 48±0.5mm
Width: 22±0.5mm
Thickness: 5±0.2mm
Drop Test Dropped from 1m height twice onto concrete ground (no fire, no leakage)
Cycle Life ≥500 times
Key Features & Advantages
  • Standard Compact Size: 502248 standard dimension with slim, lightweight soft-pack design for easy integration in space-limited devices
  • Stable 3.7V Output: Consistent voltage output with reliable 500mAh capacity and 1.85Wh energy density
  • High Safety Performance: Built-in PCM protection against over-charge, over-discharge, over-current and short circuit
  • Long Cycle Life: More than 500 charge-discharge cycles with over 80% capacity remaining
  • No Memory Effect: Supports charging at any power level without memory effect
  • Wide Temperature Range: Stable performance in -20℃ to 60℃ discharging environment
  • Quality & Customization: Excellent cell consistency with customizable wires, connectors, and protection boards
Application Areas
  • Smart wearables: smart watches, fitness trackers, health monitors
  • Bluetooth devices: Bluetooth earphones, speakers, microphone, TWS charging cases
  • Personal care appliances: beauty instruments, facial massagers, electric brushes
  • Consumer electronics: LED lights, remote controls, electronic toys, voice recorders
  • Smart home & security: doorbells, sensors, electronic locks, trackers
  • Handheld & medical devices: small testers, portable medical instruments
Product Images
3.7V 500mAh Lithium Polymer Battery Compact 502248 Size for Bluetooth Earphones 0 3.7V 500mAh Lithium Polymer Battery Compact 502248 Size for Bluetooth Earphones 1 3.7V 500mAh Lithium Polymer Battery Compact 502248 Size for Bluetooth Earphones 2 3.7V 500mAh Lithium Polymer Battery Compact 502248 Size for Bluetooth Earphones 3 3.7V 500mAh Lithium Polymer Battery Compact 502248 Size for Bluetooth Earphones 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

H
Hanna
Belarus Sep 10.2025
Working with RESKY more than 10years, stable quality, fast delivery, competitive price. Recommended.
O
Olga
Belarus Apr 23.2025
Recommend Resky as a reliable lithium polymer battery supplier.
A
Anna
Lithuania Nov 30.2022
This battery cell with very stable performance, working very nice on our portable medical devices.