2-Power pääakku - akku - 50 mAh (2P-5B10W13877)

For technicians and hobbyists working with compact electronics, the 2-Power 2P-5B10W13877 provides a dependable 50 mAh lithium-ion power source in a space-saving prismatic form factor. Its 3.7 V nominal output and integrated protection circuitry make it a practical replacement for small devices such as wearables, IoT sensors, and miniature gadgets where consistent energy delivery is critical.

Key specifications

• Battery type: Lithium-ion (Li-ion)
• Capacity: 50 mAh
• Nominal voltage: 3.7 V
• Energy: 0.185 Wh
• Rechargeable: Yes
• Chemistry: Li-ion
• Form factor: Prismatic / pouch cell
• Connector type: 2-pin JST-PH (or similar micro connector)
• Cycle life: 300–500 cycles (to 80% capacity)
• Protection: Overcharge, over-discharge, short circuit (integrated PCB)
• Charging temperature range: 0°C to 45°C
• Discharging temperature range: -20°C to 60°C
• Storage temperature range: -20°C to 45°C
• Terminal type: Wire leads with connector
• Compliance: CE, RoHS

Why choose it

This battery pack is built for reliability in constrained spaces. The prismatic pouch design allows easy integration into slim enclosures, while the pre-attached wire leads and micro connector simplify installation. Integrated protection electronics safeguard against common failure modes, extending the service life of both the battery and the host device.

Ideal use cases

• Wearable health monitors and fitness trackers
• IoT sensors and remote monitoring nodes
• Miniature consumer electronics and backup power for memory circuits
• Prototyping and small-scale production of portable devices

Good to know

Always observe the specified temperature ranges during charging and discharging to maintain performance and safety. The battery is compliant with CE and RoHS directives, making it suitable for use in products sold in European markets. For best longevity, store in a cool, dry place at approximately 50% charge when not in use for extended periods.