2-power Main Battery Pack - Batterie - 45 mAh (2P-L20C3PC2)

Keep your compact electronics running with the 2-POWER 2P-L20C3PC2 lithium polymer battery. This 45mAh, 3.7V pouch cell is a direct replacement for worn-out batteries in small devices such as wireless sensors, fitness trackers, and IoT modules. Its integrated protection circuit guards against overcharge, over-discharge, and short circuits, ensuring safe, reliable operation. With a cycle life of up to 500 charges, it delivers long-term value for repairs and DIY projects.

Key specifications

• Capacity: 45 mAh
• Nominal voltage: 3.7 V
• Chemistry: Lithium Polymer (Li-Po)
• Energy rating: 0.1665 Wh
• Configuration: 1S (single cell)
• Form factor: Pouch cell
• Connector: 2-pin JST-PH compatible
• Integrated protection: Overcharge, over-discharge, short circuit
• Cycle life: Up to 500 cycles
• Operating temperature (charge): 0°C to 45°C
• Operating temperature (discharge): -20°C to 60°C
• Storage temperature: -20°C to 45°C
• Certifications: CE, RoHS

Why choose it

This battery matches the original specifications of many small devices, making installation straightforward. The built-in protection circuit prevents damage from common charging mishaps, and the pouch format allows flexibility in tight spaces. It’s a cost-effective way to extend the life of your equipment without replacing the entire unit.

Ideal use cases

• Replacing the battery in wireless sensors and beacons
• Powering DIY electronics and Arduino projects
• Restoring battery life in fitness trackers and smart wearables
• Repairing small medical or industrial handheld devices

Good to know

Always verify the connector polarity and physical dimensions before installation. Charge the battery with a suitable Li-Po charger set to 4.2V cut-off. Store in a cool, dry place when not in use. Dispose of old batteries according to local regulations.