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552123 3.8V 300mAh High Voltage LiPo Battery for Wearable & IoT Devices

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The 552123 3.8V 300mAh high-voltage lithium polymer battery is designed for compact electronic devices requiring high energy density and extended runtime. Compared with conventional 3.7V LiPo batteries, the 3.8V LiHV chemistry provides higher operating voltage and improved energy density in the same dimensions. Ideal for wearable devices, Bluetooth products, GPS trackers, medical electronics, and IoT applications.

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552123 3.8V 300mAh Lithium Polymer Battery for Smart Wearable Devices

ItemSpecification
Model552123
Battery TypeHigh Voltage Lithium Polymer Battery
Nominal Voltage3.8V
Capacity300mAh
Energy1.14Wh
Full Charge Voltage4.35V
Cell TypeLithium Polymer (LiHV)
RechargeableYes
WireCustomizable
ConnectorOptional
ProtectionPCM Optional
NTCAvailable
Cycle Life>500 Cycles
CertificationsUN38.3, MSDS, RoHS Available

552123 3.8V 300mAh High Voltage Lithium Polymer Battery

The 552123 3.8V 300mAh lithium polymer battery is a high-voltage (LiHV) rechargeable pouch cell engineered for compact electronic products where space, weight, and battery life are critical.

With a nominal voltage of 3.8V and a charging voltage of 4.35V, this battery provides higher energy density and longer operating time than conventional 3.7V lithium polymer batteries of the same size. High-voltage LiPo technology typically delivers 5–10% more usable energy within the same footprint, making it an excellent choice for portable electronics and wearable devices.

The battery features a lightweight aluminum-laminated pouch design and can be supplied with customized wire lengths, connectors, NTC thermistors, PCM protection circuits, labels, and packaging.

PAC Technology provides complete OEM and ODM lithium polymer battery solutions for customers worldwide.

  • High Voltage 3.8V LiHV Technology
  • 300mAh Capacity
  • High Energy Density
  • Longer Runtime than Standard 3.7V Cells
  • Lightweight Lithium Polymer Pouch Cell
  • Slim Design
  • Low Self-discharge
  • Long Cycle Life
  • NTC Temperature Sensor Available
  • PCM Protection Optional
  • OEM & ODM Customization
  • UN38.3 Compliant Design

Wearable Devices

  • Smart Wristbands
  • Smart Watches
  • Health Monitoring Devices

Bluetooth Devices

  • Bluetooth Headsets
  • Bluetooth Audio Products
  • Portable Bluetooth Accessories

Medical Electronics

  • Portable Medical Devices
  • Patient Monitoring Devices
  • Medical Sensors

IoT Devices

  • Smart Sensors
  • Wireless IoT Modules
  • Smart Home Devices

GPS & Tracking

  • GPS Trackers
  • Personal Tracking Devices
  • Asset Tracking Systems

Consumer Electronics

  • Smart Glasses
  • Portable Electronic Devices
  • Digital Accessories

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