3.85V High Voltage LiPo Battery 572929 560mAh for Fitness Trackers
| Battery Type: | LiPo Battery | Battery Model: | UNM 572929 |
| Nominal Voltage: | 3.85V | Nominal Capacity: | 560mAh |
| Energy: | 2.156Wh | Charging/Discharging Current (Max.): | 1C |
| Cell Dimensions (Max.): | 5.7 × 29.0 × 29.0mm | Pack Dimensions (Max.): | 5.7 × 29.0 × 30.5mm |
| Cycle Life: | ≥500 Cycles | Warranty: | 1 Year |
3.85V High Voltage LiPo Battery 572929 560mAh for Fitness Trackers
572929 Battery Overview
The 3.85V High Voltage LiPo Battery 572929 560mAh is a powerful, lightweight, and reliable energy solution designed specifically for fitness trackers. With a high voltage of 3.85V and a capacity of 560mAh, this lithium polymer battery delivers consistent power to ensure optimal performance and extended usage times. Its compact design makes it an ideal choice for portable devices like fitness trackers, which require both long-lasting battery life and space-efficient power solutions.
Features:
- High energy density, offering reliable performance throughout extended usage;
- Compact and lightweight design to fit seamlessly into slim fitness tracker devices;
- Long-lasting cycle life for repeated use and recharging;
- Safe and stable power delivery for consistent fitness tracking.
This 3.85V lithium polymer battery is designed for fitness enthusiasts who rely on wearable devices to track their performance, health data, and activities. With its efficient energy output and compact form factor, the 572929 battery helps keep your fitness tracker running smoothly, ensuring it can track everything from steps to heart rate, without the need for constant recharging.
572929 Battery Technical Parameters
Basic Parameters
| Battery Type | LiPo Battery |
| Model Number | UNM 572929 |
| Nominal Voltage | 3.85V |
| Nominal Capacity | 560mAh (Minimum) | 580mAh (Typical) |
| Cell Energy | 2.156Wh |
| Cell Chemistry | LiCoO₂ / NCM (Customizable) |
| Cell Dimensions (Max) | 5.7 × 29.0 × 29.0 mm |
| Pack Dimensions (Max) | 5.7 × 29.0 × 30.5 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 | 4.4V |
| Standard Charge Current | 0.2C / 4.2V |
| Max Charge Current | 1.0C | Customizable |
| Discharge Cut-off Voltage | 3.0V |
| Standard Discharge Current | 0.2C |
| Max Continuous Discharge Current | 1.0C | Customizable |
| Operating Temperature | Charge: 0–45 °C | Discharge: -20–60 °C |
572929 Battery Applications
The 3.8V High Voltage LiPo Battery 572929 is a versatile and efficient energy source that is ideal for a wide range of applications where compact size, high power density, and long-lasting performance are required. Its combination of high voltage (3.8V) and capacity (560mAh) makes it well-suited for various portable and wearable devices. Here are some of the key applications for this battery:
- Fitness Trackers
- Smartwatches
- Wearable Health Monitors
- Bluetooth Headsets and Earbuds
- Portable GPS Devices
- Remote Sensors
- Consumer Electronics
- Medical and Health Devices

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 LiPo 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 fitness tracker project. The 3.85V high voltage LiPo battery 572929 delivers stable capacity and consistent performance across batches, improving overall product reliability. Its high energy density and stable discharge make it ideal for compact wearable devices. The technical support was responsive and helped optimize our power system—highly recommended!”
— Project Manager, Trackers Manufacturer
Custom LiPo Battery Solutions
UNEMETECH provides customized LiPo battery solutions for trackers, smartwatches, wearable health monitors, 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.