3.7V 4000mAh Flat Lithium Polymer Battery Pack 8x50x83mm for Medical Equipment

Price Negotiable

Price: Negotiable

MOQ: 3000PCS

Delivery Time: 20 work days

Brand: SER or OEM

Product Description

Technical Specifications

Parameter	Specification
Battery Technology	Lithium Polymer Battery (LiPo)
Nominal Voltage	3.7V
Nominal Capacity	4000mAh (at +20°C @0.2C discharge)
Discharge Cut-off Voltage	2.7V
Charge Cut-off Voltage	4.2V
Standard Charge Current	0.2C
Rapid Charge Current	1C
Standard Discharge Current	0.2C
Max Discharge Current	1C
Operating Temperature (Charging)	0℃ ~ 55℃
Operating Temperature (Discharging)	-20℃ ~ 65℃
Storage Conditions	Temperature ≤ 30℃, Humidity ≤ 75%RH
Dimensions	8 × 50 × 83mm
Weight	55g

Key Features

High energy density with 4000mAh capacity
Lightweight design at only 55g
No memory effect for flexible charging
Stable operating voltage of 3.7V
Wide operating temperature range (-20℃ to 65℃)
Three safety charge/discharge protections
Long cycle life exceeding 500 cycles
Low self-discharge rate for excellent energy retention
Environmentally friendly with UN38.3 and RoHS compliance
OEM/ODM customization available

Applications

This flat lithium polymer battery is designed for medical equipment, beauty devices, and various portable electronics including:

Medical diagnostic equipment and monitoring devices
Beauty and skincare treatment devices
Portable DVD players and laptop computers
Mobile phones and Bluetooth devices
Digital cameras, camcorders, and portable audio/video equipment
Power tools, RC models, and electric vehicles

Product Images

Flat lithium polymer battery 805083 3.7V 4000mAh for medical and beauty equipment

Technical diagram of 3.7V 4000mAh lithium polymer battery

Custom battery assembly with PCM/PCB, wire and connector options

Quality Assurance

Our manufacturing facilities are ISO9001 certified and meet military specifications. We maintain a fully equipped testing center to ensure product reliability and performance.

Certifications