Ultra-Compact 3.7V 155mAh Li-Polymer Battery (Model: LP-402025-1S-3)

January 8, 2026
Latest company case about Ultra-Compact 3.7V 155mAh Li-Polymer Battery (Model: LP-402025-1S-3)

The LP-402025-1S-3 is an ultra-compact, lightweight lithium polymer (Li-Po) battery designed to power the smallest electronic devices without compromising performance. With a nominal voltage of 3.7V and a capacity of 155mAh, this battery delivers reliable energy in a remarkably slim package. It is ideal for applications where every millimeter and gram counts, offering a safe, efficient, and space-saving power solution for cutting-edge micro-electronics.

Applications

This miniature battery is the ideal power source for a wide range of ultra-compact and low-power devices, including:

  • Wearable and Hearable Devices: Hearing aids, smart rings, ultra-small Bluetooth earbuds.
  • Miniature IoT Sensors: Smart buttons, compact beacons, disposable data loggers.
  • Medical & Health Monitoring: Skin patches, pill-sized ingestible sensors, continuous glucose monitors.
  • Consumer Electronics: Electronic shelf labels, mini remote controls, novelty gadgets.
  • Backup Power for Memory: Real-time clocks (RTC), SRAM backup in micro-devices.
Technical Specifications
Parameter Specification
Model Number LP-402025-1S-2
Nominal Voltage 3.7V
Nominal Capacity 155mAh
Cell Chemistry Lithium Polymer (Li-Po)
Max Charge Voltage 4.2V
Discharge Cut Off Voltage 2.75V
Standard Charge Current 0.2C
Max. Charge Current 1C
Dimensions 4.3*20.5*26(mm)
Weight Approx. 9g
Operating Temperature Charge: 0°C to 45°C / Discharge: -20°C to 60°C