Certification :MSDS (other certifications available upon request)
Price :US$0.80–1.50/piece
Nominal Voltage :3.7V
Place of Origin :China
Supply Ability :200,000 pieces per day
Nominal Capacity :480mAh
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Rechargeable Li Polymer Battery 552338 3.7V 480mAh with Battery Directive for Consumer Electronics
552338 Battery Overview
The 552338 rechargeable Li polymer battery features a nominal voltage of 3.7V and a capacity of 480mAh. Designed with a compact and lightweight structure, it is suitable for a variety of portable consumer electronic devices where space and weight are critical considerations.
Manufactured using high-quality lithium polymer cell technology, this battery offers stable performance, reliable power output, and a long cycle life. It designed to support compliance with applicable battery regulations and can be integrated into products requiring safe and efficient rechargeable energy storage.
The 552338 LiPo battery is widely used in wearable devices, Bluetooth accessories, portable electronics, smart gadgets, and other battery-powered applications. Customization options such as PCM/BMS protection circuits, wires, connectors, and battery pack configurations are available to meet specific project requirements.
552338 Battery Technical Parameters
Basic Parameters
Battery Type
Li Polymer Battery
Model Number
UNM 552338
Nominal Voltage
3.7V
Capacity
480mAh (Nominal) | 500mAh (Typical)
Cell Energy
1.776Wh
Cell Chemistry
LiCoO₂ / NCM (Customizable)
Cell Dimensions (Max)
5.5 × 22.5 × 38.0 mm
Pack Dimensions (Max)
5.5 × 23.0 × 39.5 mm
Weight
Approx. 9.0g
Battery Pack Internal Impedance
≤ 250 mΩ
Shipment Voltage
3.85–4.0V (Adjustable upon request)
Charge & Discharge Parameters
Max Charge Voltage
4.2V
Standard Charge Current
0.2C (96mA) to 4.2V, CCCV Mode
Max Charge Current
1.0C (480mA) | Customizable
Discharge Cut-off Voltage
3.0V
Standard Discharge Current
0.2C (96mA)
Max Continuous Discharge Current
1.0C (480mA) | Customizable
Operating Temperature
Charge: 0–45 °C | Discharge: -20–60 °C
552338 Battery Dimension Figure
Max. Cell Dimensions: 5.5 × 22.5 × 38.0 mm
Plug wire: Molex 51021-2P / UL1571 AWG28 / 40 ± 3 mm (adjustable upon request)
Max. Pack Dimension: 5.5 × 23.0 × 39.5 mm
PCM Protection: S-8261ABJMD-G3J-T2 with 8205A MOSFET
552338 Battery Applications
The 552338 rechargeable Li Polymer battery is specifically designed for compact, portable, and lightweight electronic devices. Its stable performance, high energy density, and reliable rechargeability make it ideal for a wide range of consumer electronics applications. Typical uses include:
Wearable devices, such as smartwatches, fitness trackers, and health monitoring bracelets
Bluetooth accessories, including headphones, earbuds, and speakers
Portable electronic gadgets, such as handheld gaming consoles and mini cameras
Smart home devices and IoT terminals that require compact rechargeable power
Medical devices and personal healthcare electronics that need reliable battery operation
Battery-powered sensors and monitoring devices for data collection and field applications
Custom configurations, including PCM/BMS protection circuits, connectors, and cable options, are available to ensure safe integration into your specific product requirements.
Quality & Safety Certifications
All UNEMETECH rechargeable polymer lithium ion batteries undergo strict quality control and comply with international safety & transportation standards, ensuring safe and reliable performance worldwide.
Depending on project requirements and target market regulations, we can provide certification documents such as CB, IEC 62133, UN38.3, MSDS, KC, PSE, BSMI, UL, RCM, CE, REACH, and RoHs 2.0 test reports, and other compliance documentation as required.
Typical Customer Feedback
“We’ve partnered with UNEMETECH for our GPS pet tracker project. The 552338 battery’s consistent capacity and cycle life across batches have eliminated our power-related reliability issues. Their technical team provided fast support and helped us optimize the BMS for our device—highly recommended!”
— Project Manager, GPS Pet Tracker Manufacturer
Custom LiPo Battery Solutions
UNEMETECH provides customized LiPo battery solutions for wearable devices, Bluetooth products, portable electronics, IoT equipment, and other battery-powered applications. Optional PCM/BMS protection circuits, connectors, wire lengths, labels, and battery pack assemblies can be configured according to your project requirements.
Whether you require prototype samples or volume production, our engineering team can support your battery customization needs with reliable manufacturing and technical assistance.
