2-Power pääakku - akku - 50 mAh (2P-5B11M90071)

Unlike generic button cells or bulky power banks, the 2-Power 2P-5B11M90071 delivers a compact 50 mAh lithium-ion solution engineered for micro-electronics, IoT sensors, and wearables where space and weight are critical. Its prismatic form factor and integrated protection circuit module (PCM) ensure safe, reliable operation in demanding embedded applications.

Highlights

• Ultra-compact prismatic Li-ion cell: only 25 x 12 x 4 mm and 5 g
• Integrated PCM guards against overcharge, over-discharge, and short circuits
• Nominal 3.7 V output with 0.185 Wh energy for low-power devices
• JST-PH 2-pin connector with 50 mm leads for easy integration
• 300–500 charge cycles with CE and RoHS certifications

In daily use

This battery is ideal for backup power in small electronic devices, sensor nodes, and portable gadgets. The built-in protection circuit allows safe charging at 0°C to 45°C and operation from -20°C to 60°C, making it suitable for both indoor and outdoor applications. The black casing blends discreetly into most device enclosures.

Full specifications

• Battery type: Lithium-ion (Li-ion), rechargeable
• Capacity: 50 mAh
• Nominal voltage: 3.7 V
• Energy: 0.185 Wh
• Form factor: Prismatic
• Connector: JST-PH 2-pin (or similar micro connector)
• Cycle life: 300–500 cycles
• Operating temperature: -20°C to 60°C
• Charging temperature: 0°C to 45°C
• Max discharge current: 50 mA (1C)
• Protection: Overcharge, over-discharge, short circuit
• Dimensions (L x W x H): 25 x 12 x 4 mm
• Weight: 5 g
• Lead length: 50 mm
• Certifications: CE, RoHS
• Colour: Black
• Integrated PCM: Yes

Final note

For engineers and hobbyists needing a dependable, miniature power source, the 2-Power 2P-5B11M90071 offers the safety and longevity of a protected Li-ion cell in a footprint smaller than a postage stamp.