Lithium Polymer Lipo Rechargeable Battery Model KP 402020 3.7V 400mAH

Lithium Polymer Lipo Rechargeable Battery Model KP 402020 3.7V 400mAH

The KP 402020 3.7V 400mAh Lithium Polymer Battery is a slim, lightweight rechargeable Li-Po cell designed for compact electronic devices that require stable and efficient power. With a 3.7V nominal voltage and 400mAh capacity, this battery is ideal for small wearable devices, IoT applications, and portable gadgets.

Built with high-quality Li-Polymer technology, the battery offers excellent energy density, low internal resistance, and reliable discharge performance. It supports standard 4.2V CC/CV charging and can be paired with a PCM/BMS module for safe usage, protecting against overcharge, over-discharge, and short circuits.

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Features

• Nominal voltage: 3.7V
• Capacity: 400mAh
• Ultra-slim, lightweight flat-cell design
• High energy density for compact electronics
• Stable discharge and long cycle life
• Low self-discharge rate
• Reliable performance with low internal resistance
• Compatible with PCM/BMS protection circuits
• Suitable for ultra-compact and wearable applications

Specifications 

• Model: KP 402020
• Voltage: 3.7V
• Capacity: 400mAh
• Max Charge Voltage: 4.2V
• Charge Method: CC/CV (Constant Current / Constant Voltage)
• Battery Type: Lithium Polymer
• Typical Dimensions (Approx.):
• Thickness: 4 mm
• Width: 20 mm
• Length: 20 mm
  (Values may vary slightly due to manufacturing tolerances)
• Operating Temperature:
• Charge: 0°C to +45°C
• Discharge: –20°C to +60°C
• Protection Support: Compatible with PCM/BMS modules

Applications

• Wearable devices
• IoT sensors and wireless modules
• Small handheld gadgets
• Bluetooth devices (earbuds, beacons, trackers)
• Health monitoring devices
• Mini remote controls
• Embedded systems and DIY electronics
• Compact portable consumer electronics

*Product image for illustration purposes only, actual product may vary.