2-power Main Battery Pack - Akku - 54 mAh (2P-242WD)

Compact lithium-ion battery pack delivering reliable 3.7V power for small electronic devices, Bluetooth headsets, and IoT sensors. The 54 mAh capacity ensures consistent performance in space-constrained applications, while the integrated 2-pin JST-PH connector with lead wires simplifies installation.

Advantages

This rechargeable cell features a high energy density lithium cobalt oxide chemistry, providing a lightweight and efficient power source. Built-in protection against overcharge, over-discharge, and short circuits enhances safety and extends service life. The pouch form factor allows flexible placement within device enclosures, and the pre-attached red and black leads with JST-PH connector enable quick, solder-free connections.

Suitable for

• Bluetooth headsets and earbuds
• Wearable health monitors
• IoT sensors and smart home devices
• Small remote controls and key fobs
• Portable medical instruments

Key specifications

• Battery type: Lithium-Ion (LiCoO2)
• Nominal voltage: 3.7 V
• Capacity: 54 mAh (0.2 Wh)
• Connector: 2-pin JST-PH with lead wires
• Max charge/discharge current: 0.5C (approx. 27 mA)
• Operating temperature: -20°C to 60°C
• Cycle life: 300–500 cycles
• Certifications: CE, RoHS

Recommendations

Ideal for OEM replacements and prototyping, this battery offers a balance of capacity, safety, and ease of integration. Verify connector polarity and device current draw before installation. Store in a cool, dry place at 40–60% charge for optimal longevity.