523759 3.7V Grade A High Capacity Lithium Polymer Battery LiPo Pouch Cell with PCB Custom OEM Rechargeable Battery

523759 3.7V Lithium Polymer Battery - Grade A LiPo Pouch Cell

The 523759 lithium polymer battery delivers a compact yet powerful energy solution, engineered with a high-quality Grade A polymer cell. With a slim profile and lightweight design, it is the ideal power source for compact consumer electronics, wearable devices, medical equipment, and IoT applications.

Key Selling Points

• Grade A Cells Only: 100% Grade A lithium polymer cells, no recycled or B-grade materials, ensuring consistent performance and longer cycle life.
• True Capacity, No Overstatement: Strict QC testing guarantees real rated capacity, delivering stable discharge curves and reliable runtime.
• Full Certifications: CE, RoHS, UN38.3 and MSDS available, backed by complete test reports for hassle-free customs clearance.
• Custom Orders Available: Support custom capacity, dimensions, connectors, wires and PCB/PCM protection boards for your specific device design.
• Fast and Reliable Shipping: Efficient production scheduling and streamlined logistics ensure your orders arrive on time.

Key Specifications

• Model: 523759
• Nominal Voltage: 3.7V
• Rated Capacity: Customizable per customer specification
• Dimensions: 5.2 x 37.0 x 59.0 mm
• Cell Grade: Grade A (brand new, never recycled)
• Cycle Life: 500+ cycles
• Protection: Optional PCM / PCB, NTC and custom connector options
• Certifications: CE / RoHS / UN38.3 / MSDS

Applications

Bluetooth earphones and headsets, smart wearables, medical monitoring devices, POS terminals, IoT sensors, portable electronics, custom OEM/ODM projects.

Why Choose Us

As a professional battery manufacturer, we combine strict quality control, genuine capacity and flexible customization to support your product from prototyping to mass production. Whether you need standard stock models or fully customized battery packs, our engineering team is ready to deliver a solution that fits your application.

Get a Quote Today: Send us your device specifications and target quantity, and our team will respond with a tailored battery solution within 24 hours.