3.7V 1200mAh Rechargeable Lithium Polymer Battery 603450 with CE Certified for Electronics
| Battery Type: | Литий-полимерный аккумулятор | Battery Model: | УНМ 603450 |
| Nominal Voltage: | 3,7 В | Nominal Capacity: | 1200 мАч |
| Energy: | 4.44Wh | Charging Current (Max.): | 1C/1200mA |
| Discharging Current (Max.): | 1C/1200mA | Cell Dimensions (Max.): | 6,0 × 34,5 × 50,5 мм |
| Pack Dimensions (Max.): | 6,0 × 34,5 × 52,5 мм | Cycle Life: | ≥ 500 циклов |
| Warranty: | 1 год |
3.7V 1200mAh Rechargeable Lithium Polymer Battery 603450 with CE Certified for Electronics
603450 Battery Overview
This high-performance 3.7V 1200mAh lithium polymer battery (model 603450) is engineered for a wide range of portable electronics and smart devices. Built with advanced LiPo technology, it delivers stable voltage output, high energy density, and long cycle life, ensuring reliable and efficient power for your applications.
With a compact 603450 form factor (Max. T6.0 × W34.5 × L52.5 mm), this rechargeable battery is ideal for space-sensitive designs while maintaining strong capacity. The CE certification ensures compliance with international safety standards, making it a dependable choice for OEM and custom electronic projects.
Designed for versatility, this LiPo battery supports consistent performance with low self-discharge and enhanced safety protection, suitable for continuous use in modern electronic devices.
603450 Battery Technical Parameters
Basic Parameters
| Battery Type | Lithium Polymer Battery |
| Model Number | UNM 603450 |
| Nominal Voltage | 3.7V |
| Nominal Capacity | 1200mAh |
| Cell Energy | 4.44Wh |
| Cell Chemistry | LiCoO₂ / NCM (Customizable) |
| Cell Dimensions (Max) | 6.0 × 34.5 × 50.5 mm |
| Pack Dimensions (Max) | 6.0 × 34.5 × 52.5 mm |
| Weight | Approx. 19.2g |
| Battery Pack Internal Impedance | ≤ 240 mΩ |
| Shipment Voltage | 3.85–4.0V (Adjustable upon request) |
Charge & Discharge Parameters
| Max Charge Voltage | 4.2V |
| Standard Charge Current | 0.2C (240mA) to 4.2V, CCCV Mode |
| Max Charge Current | 1.0C (1200mA) | Customizable |
| Discharge Cut-off Voltage | 3.0V |
| Standard Discharge Current | 0.2C (240mA) |
| Max Continuous Discharge Current | 1.0C (1200mA) | Customizable |
| Operating Temperature | Charge: 0–45 °C | Discharge: -20–60 °C |
603450 Battery Dimension Figure
| Max. Cell Dimensions: 6.0 × 34.5 × 50.5 mm | Plug wire: Customized |
| Max. Pack Dimension: 6.0 × 34.5 × 52.5 mm | PCM Protection: Customized |

603450 Battery Applications
This 3.7V 1200mAh 603450 rechargeable lithium polymer battery is widely used in portable and smart electronic devices requiring stable power and compact size. It is suitable for wireless speakers, GPS trackers, handheld terminals, IoT modules, smart wearables, medical devices, portable POS systems, and various custom electronic products, ensuring reliable performance in both consumer and industrial applications.
Typical uses include: wearable devices, Bluetooth audio products, GPS tracking systems, portable medical equipment, handheld industrial devices, IoT sensors, and customized embedded systems.

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 GPS tracking device project. The 603450 battery’s stable capacity and consistent performance across production batches have significantly improved our product reliability. Its high energy density and stable discharge characteristics 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—highly recommended!”
— Project Manager, GPS Tracker Device 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.