3.7V 55mAh 1254 Size LiPo Rechargeable Coin Cell Battery for TWS Headsets

Price Negotiable

Price: Negotiable

MOQ: 3000PCS

Delivery Time: 20 work days

Brand: SER or OEM

Product Description

Product Overview

Compact 3.7V 55mAh lithium polymer coin cell battery designed for space-constrained applications including TWS headsets, earphones, and portable electronics.

Technical Specifications

Parameter	Specification
Battery Technology	Lithium Polymer (LiPo)
Nominal Voltage	3.7V
Nominal Capacity	55mAh (at +20°C @0.2C discharge)
Dimensions	12mm × 5.4mm
Weight	1.2g
Charge Voltage	4.2V
Discharge Cut-off	2.7V
Operating Temperature (Charge)	0℃ to 55℃
Operating Temperature (Discharge)	-20℃ to 65℃

Key Features

Enhanced Safety: Built-in PCM/PCB protection against short circuit, puncturing, and extreme conditions
Ultra-Compact Design: Slim 5.4mm profile with customizable dimensions available
Low Self-Discharge: Less than 3% per month at room temperature
High Energy Density: 356Wh/kg specific energy density
Wide Temperature Range: Operational from -20℃ to +60℃
No Memory Effect: No voltage passivation and no activation required after storage

Applications

Ideal for various portable electronic devices including:

TWS headsets and earphones
Mobile phones and Bluetooth devices
Portable audio/video equipment (MP3/MP4, portable DVD)
Laptop computers, PDAs, and portable printers
Communication equipment and digital cameras

Product Images

3.7V 55mAh lithium polymer coin cell battery product image

Compact 1254 size LiPo battery for TWS applications

Custom battery with PCM/PCB protection circuit and connector options

Quality Assurance

Manufactured with ISO9001 certification and military-grade quality standards. Each battery undergoes 100% inspection before shipment to ensure optimal performance and reliability.

Company quality certifications including ISO9001

Manufacturing Excellence

Advanced production facilities featuring automated voltage testing and imported drying systems from Denmark to maintain optimal manufacturing conditions.