High-Capacity 3.7V 7800mAh Rechargeable Li-ion Battery

  • 500+ life cycles (80% capacity retention) for long-term cost efficiency.
  • High-temperature resistance (-20°C to +55°C operational range).
  • 15A max output for high-power devices like industrial tools.
  • Compact dimensions (52×29×69mm) to fit space-constrained designs.
  • Customizable connectors (JST or tailored options) for versatile integration.
  • CE-certified safety with overcharge/overcurrent/short-circuit protection.

Specification

Parameter Value
Battery Type Lithium-ion Rechargeable Pack
Nominal Voltage 3.7V
Capacity 7.8Ah (7800mAh)
Input Voltage 4.2V (Max 2A)
Output Voltage 3.6V (Max 15A)
Dimensions 52×29×69mm
Cycle Life 500 cycles (80% retention)
Cell Brand Chinese Li-ion Cells
Connector Type JST or Customized

Application

1. Portable Medical Devices

Ideal for powering portable medical equipment such as heart rate monitorsportable ultrasound devices, and respiratory therapy systems. Its compact size (52×29×69mm) and stable 3.7V output ensure reliable performance in critical healthcare settings, meeting stringent safety standards for medical electronics .

2. Security Systems & Communication Devices

Optimized for surveillance cameraswireless alarms, and long-range walkie-talkies. The 15A max output supports high-power demands in security infrastructure, while the JST/custom connectors enable seamless integration with industrial-grade systems .

3. Compact Consumer Electronics

Perfect for handheld scannersbarcode readers, and miniature drones. The lightweight design (≤240g) and 500-cycle lifespan make it cost-effective for high-frequency commercial use in retail and logistics .

4. Industrial Sensors & IoT Devices

Designed for temperature sensorsGPS trackers, and wireless IoT modules in harsh environments. High-temperature resistance (-20°C to +55°C) ensures durability in manufacturing plants and outdoor installations .

5. Lightweight Power Tools

Supports cordless screwdriversmini drills, and LED work lights with its 15A continuous discharge capability. The 80% capacity retention after 500 cycles reduces replacement costs for construction and DIY tools .

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