2-power pääakku - akku - 50 mAh (2P-5B11M90070)

When your portable device runs out of power at the worst possible moment, a reliable replacement battery is essential. The 2-Power Main Battery Pack provides a compact 50 mAh lithium-ion polymer cell, engineered to keep small electronics running without interruption. Whether you need to revive a sensor, a wearable, or a backup circuit, this battery delivers stable voltage and safe operation in a tiny footprint.

Who is it for

This battery is ideal for technicians, hobbyists, and OEMs who require a dependable power source for low-drain applications. It suits devices that demand a small, lightweight cell with built-in protection against overcharge, over-discharge, and short circuits. If you are replacing a worn-out prismatic cell or prototyping a new gadget, this pack offers the reliability you need.

Main features

• Lithium-ion polymer chemistry for high energy density and low self-discharge
• Integrated PCB protection against overcharge, over-discharge, and short circuit
• Prismatic form factor with solder tabs for easy integration
• Wide operating temperature range: -20°C to 60°C (discharge)
• CE and RoHS compliant for safety and environmental standards

Specifications

• Capacity: 50 mAh
• Nominal voltage: 3.7 V
• Energy: 0.185 Wh
• Rechargeable: Yes
• Chemistry: Li-ion Polymer
• Form factor: Prismatic
• Connector type: Solder tabs
• Cycle life: 300-500 cycles (to 80% capacity)
• Max charging current: 25 mA (0.5C)
• Max discharging current: 50 mA (1C)
• Internal resistance: < 200 mΩ
• Operating temperature (discharge): -20°C to 60°C
• Operating temperature (charge): 0°C to 45°C
• Storage temperature: -20°C to 35°C
• Certifications: CE, RoHS

Tips

Always verify the polarity and dimensions before soldering. For longest life, store the battery at 40-60% charge in a cool, dry place. Use a charger designed for lithium-ion cells with appropriate current limits to avoid damage.