2-Power pääakku - akku - 50 mAh (2P-5B10W13905)

Small electronic devices often suffer from premature power loss when their original battery degrades, leaving sensors, wearables, and medical gadgets dead at critical moments. The 2-Power 2P-5B10W13905 Main Battery Pack solves this by delivering a dependable 3.7V 50mAh lithium-ion power source that restores full functionality and extends device lifespan.

Who is it for

This battery is ideal for technicians, hobbyists, and businesses maintaining compact electronics such as IoT sensors, fitness trackers, medical monitors, and other low-power devices that require a 3.7V 50mAh Li-ion cell. It is also suitable for manufacturers prototyping new products or repairing existing equipment.

Main features

• High-quality lithium-ion chemistry (LiCoO2) ensures stable voltage and reliable performance.
• Integrated protection circuitry guards against overcharge, over-discharge, short circuit, and overcurrent.
• Compact and lightweight design fits easily into space-constrained devices.
• Rechargeable with a cycle life of 300–500 charges, reducing waste and long-term costs.
• Low self-discharge rate of less than 5% per month keeps the battery ready when needed.
• Wide operating temperature range from -20°C to 60°C for discharge, suitable for various environments.

Specifications

• Brand: 2-Power
• Model: 2P-5B10W13905
• Battery Type: Lithium-ion (Li-ion)
• Nominal Voltage: 3.7 V
• Capacity: 50 mAh
• Energy: 0.185 Wh
• Rechargeable: Yes
• Number of Cells: 1S (1 Series)
• Chemistry: Lithium Cobalt Oxide (LiCoO2)
• Connector Type: Not specified (typically bare leads or small JST connector)
• Protection Circuitry: Integrated (Overcharge, Over-discharge, Short Circuit, Overcurrent)
• Cycle Life: Up to 300-500 cycles (to 80% original capacity)
• Operating Temperature Range: Charge: 0°C to 45°C; Discharge: -20°C to 60°C
• Storage Temperature Range: -20°C to 45°C (recommended)
• Self-Discharge Rate: <5% per month (at 20°C)
• Charging Method: Constant Current / Constant Voltage (CC/CV)
• Max Charge Current: 1C (50 mA)
• Max Discharge Current: 1C (50 mA) continuous
• Application: Small electronic devices, IoT sensors, wearables, medical devices
• Form Factor: Compact, typically pouch or prismatic
• Certifications: CE, RoHS (expected)
• Brand Compatibility: Universal (for devices requiring 3.7V, 50mAh Li-ion battery)

Tips

For best results, charge the battery fully before first use and avoid deep discharges. Store in a cool, dry place at approximately 50% charge if not used for extended periods. Always verify the connector type and polarity match your device before installation.