3.7V 500mAh Ultra-Slim Li-Polymer Battery AS303450

Ultra-slim 3.7V 500mAh AS303450 Lithium Polymer battery designed for compact and lightweight electronics. Features pre-attached metal soldering tabs for easy PCB integration. Ideal for smart wearables, GPS trackers, and thin portable devices. Full OEM/ODM services available for custom wires, connectors, and housing.

Description

Model AS303450 Ultra-Thin Li-Polymer Bare Battery Cell

Voltage: 3.7V | Capacity: 500mAh (1.85Wh) | Size: 50.0×34.0x3.0mm

Thin-profile Li-Polymer batteries are ideal for slim consumer electronics like smart cards, trackers, and portable gadgets.

Power your next-generation portable devices with this AS303450 Li-Polymer Battery, a high-efficiency energy solution engineered for space-constrained applications. Boasting an ultra-thin 3.0mm profile, it steadily outputs 500mAh capacity without increasing product volume.Designed with metal soldering tabs for direct PCB welding, the cell supports automated assembly and compact internal layout, perfectly matching modern wearables and handheld electronic equipment.

Li-Polymer battery for smart wearables and fitness trackers

Technical Specifications

Battery Type Lithium Ion Polymer Battery
Part Number AS303450
Voltage @ Capacity 3.7V @ 500mAh (1.85Wh)
Protection Circuit /
Thermistor (NTC) /
Wires /
Connector /
Dimensions (L x W x T) 50.0mm x 34.0mm x 3.0mm
Charge Current 0.2C to 0.5C
Discharge Current 0.5C to 1.0C
Storage Temperature -20°C to +45°C

Long-life Li-Polymer battery for IoT sensors

Core Advantages


  • Ultra-Thin Structure: 3mm slim thickness fits easily into narrow and lightweight device housings.

  • Easy PCB Soldering: Built-in metal tabs realize firm and stable circuit connection.

  • High Energy Density: Delivers lasting working time while keeping light body weight.

  • Stable Performance: Reliable discharge capacity adapts wide temperature working environments.

Wide Application Range

Smart Wearables
Smart watches, fitness trackers and wearable bands
Audio Devices
Bluetooth headphones and portable speakers
Tracking & Medical Gear
GPS locators and portable medical monitoring devices
Small Electronic Gadgets
Mini drones, RC toys, digital cameras and recorders

Custom ultra-slim Li-Polymer battery pack

OEM & ODM Customization Service

  • Tabs, Wires & Connectors: Custom tab shape, add wires and JST, Molex, PHR connectors as required.
  • Safety Protection Upgrade: Equip PCM protection board and NTC temperature sensor.
  • Shape Adjustment: Modify size or proper bending to match irregular installation space.
  • Brand Customization: Exclusive printed labels and customized packaging support.

We offer custom ultra-slim Li-Polymer battery solutions tailored to your specific size, connector, and capacity needs.

Note: This is raw tab cell without built-in protection circuit. Contact our team for personalized battery assembly solutions.