3.7V 450mAh Rechargeable Lithium Ion Polymer Battery 423040 for 3C Digital Products

423040 Battery Overview

The 3.7V 450mAh Rechargeable Lithium Ion Polymer Battery 423040 is a high-quality LiPo battery designed for compact electronics and portable devices. Featuring a built-in protection board, it ensures safe charging and discharging, preventing overcharge, over-discharge, and short circuits. This battery is perfect for Bluetooth headsets, GPS trackers, portable gadgets, and other mini electronic devices, making it a dependable replacement or upgrade for your electronics. The 423040 battery key features as below:

1. Voltage & Capacity: 3.7V, 450mAh – ideal for low-power digital devices
2. Protection Board: Integrated PCB for enhanced safety and longer battery life
3. Rechargeable: Supports multiple charging cycles, environmentally friendly
4. Compact Size: Fits Bluetooth devices, GPS units, and other small electronics
5. Reliable Performance: Stable power output for consistent device operation
6. High Temperature: can support 0.5C discharge at 80°C

423040 Battery Technical Parameters

Basic Parameters

Charge & Discharge Parameters

423040 Battery Dimension Figure

423040 Battery Applications

This 3.7V 450mAh Rechargeable Lithium Polymer Ion Battery 423040 is ideal for small, low-power electronic devices. Its compact size and stable output make it suitable for a variety of portable and wearable gadgets.

• Bluetooth Devices – wireless headsets, earbuds, fitness trackers
• GPS Trackers – personal trackers, pet trackers, vehicle trackers
• Mini Electronics – laser rangefinder, digital thermometers, portable sensors, handheld meters
• IoT Devices – smart home sensors, low-power IoT modules
• Small Toys & Gadgets – mini RC toys, electronic keychains, LED gadgets
• Medical Devices – compact health monitors, pulse oximeters

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 lithium polymer 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 pet tracker project. The 423040 battery’s excellent high-temperature performance and stable capacity have significantly improved our product reliability, even under demanding operating conditions. Its consistent discharge behavior at elevated temperatures and high energy density make it ideal for our compact design requirements. The technical support team was highly responsive and helped us optimize the power management system for our device.”

— Project Manager, Pet Trackers Manufacturer

Custom Lithium Polymer Battery Solutions

UNEMETECH provides customized lithium polymer battery solutions for Bluetooth devices, GPS trackers, Mini electronics, IoT devices, 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.