Lithium Polymer Lipo Rechargeable Battery Model KP 635071 3.7V 4000mAH
The KP 635071 3.7V 4000mAh Lithium Polymer Battery is a high-capacity, lightweight rechargeable power source designed for modern portable electronics and embedded systems. With a slim yet powerful flat-pack design, this Li-Po cell offers excellent energy density, delivering extended operating time while maintaining compact device dimensions.
Its nominal voltage of 3.7V and large 4000mAh capacity ensure strong, stable performance in medium to high-power devices. Built using premium Li-Polymer chemistry, the battery provides low internal resistance, consistent discharge characteristics, and reliable cycle performance. It supports standard 4.2V CC/CV charging and is typically used with a protection circuit module (PCM) for safe operation, preventing overcharge, over-discharge, and short-circuit conditions.
This battery is ideal for applications that require long-lasting power, slim profile packaging, and dependable efficiency.
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Features
- Nominal voltage: 3.7V
- High capacity: 4000mAh
- Lightweight, slim flat-cell design
- High energy density compared to conventional cells
- Low self-discharge rate for long storage life
- Long cycle durability and stable discharge output
- Supports PCM/BMS protection circuits
- Safe and environmentally friendly Li-Polymer chemistry
- Suitable for compact and portable device designs
Specifications
- Model: KP 635071
- Voltage: 3.7V
- Capacity: 4000mAh
- Max Charge Voltage: 4.2V
- Charge Method: CC/CV (Constant Current / Constant Voltage)
- Battery Type: Lithium Polymer
- Typical Dimensions (Approx.):
- Thickness: 6.3 mm
- Width: 50 mm
- Length: 71 mm
(Size may vary slightly based on manufacturer tolerances.) - Operating Temperature:
- Charge: 0°C to +45°C
- Discharge: –20°C to +60°C
- Protection: Supports PCM/BMS (optional depending on supplier)
Applications
- Portable electronics & handheld devices
- IoT devices and smart monitoring modules
- Power banks and backup power units
- GPS trackers and navigation systems
- Bluetooth speakers and audio equipment
- Medical portable equipment
- Rechargeable toys and consumer electronics
- Wearable devices & smart gadgets
- DIY electronics and embedded systems
*Product image for illustration purposes only, actual product may vary.









Anonymous (Verified Customer) –
Anonymous –
piyush Kumar (Verified Customer) –
Working perfectly as advertised
piyush Kumar –