2-power Main Battery Pack - Batterie - 52 mAh (2P-L18M3PF7)

Small IoT devices, wearables, and DIY electronics often fail because their tiny batteries lose capacity or stop holding a charge. This 2-Power main battery pack replaces that weak link with a fresh, reliable Li-Polymer cell that fits compact spaces and delivers steady 3.7V output.

Who is it for

Engineers, hobbyists, and repair technicians who need a dependable 52 mAh power source for Bluetooth accessories, sensors, or custom projects. It suits anyone who wants a protected, rechargeable cell without sourcing bare cells from unreliable suppliers.

Main features

• Lithium Polymer chemistry with 52 mAh capacity and 3.7V nominal voltage
• Integrated PCM guards against overcharge, over-discharge, and short circuits
• Compact single-cell design with bare wire/pigtail connector for easy integration
• Rechargeable for 300–500 cycles, maintaining 80% capacity
• CE and RoHS certified for safety and environmental compliance

Specifications

• Battery Type: Lithium Polymer (Li-Po)
• Capacity: 52 mAh
• Nominal Voltage: 3.7 V
• Energy: 0.19 Wh
• Chemistry: Li-Polymer
• Rechargeable: Yes
• Number of Cells: 1
• Connector Type: Bare Wires / Pigtail
• Protection: Integrated PCM (Overcharge, Over-discharge, Short Circuit)
• Cycle Life: 300–500 cycles (to 80% capacity)
• Discharge Temperature: -20°C to 60°C
• Charge Temperature: 0°C to 45°C
• Storage Temperature: -20°C to 35°C
• Max Continuous Discharge Current: 52 mA (1C)
• Max Charge Current: 26 mA (0.5C)
• Internal Resistance: < 200 mΩ
• Certifications: CE, RoHS

Tips

Before soldering the pigtail, confirm polarity with a multimeter. Store the battery at 40–60% charge in a cool place if it will sit unused for weeks. Avoid puncturing or bending the cell, and never charge below 0°C.