2-Power pääakku - akku - 52 mAh (2P-L18C3PF7)

When your wearable, IoT sensor, or compact device suddenly shuts down mid-task, a dead battery is often the culprit. This 2-POWER main battery pack steps in as a direct replacement, restoring reliable power with its 52 mAh lithium-ion cell. It fits internal compartments where slim pouch cells are required, making it a practical fix for technicians, hobbyists, and field service teams who need to bring small electronics back to life without replacing the whole unit.

Key specifications

• Battery type: Lithium-ion (Li-ion)
• Capacity: 52 mAh
• Voltage: 3.7 V
• Energy rating: 0.19 Wh
• Rechargeable: Yes
• Chemistry: Lithium-ion
• Form factor: Internal pouch cell
• Number of cells: 1-cell
• Protection features: Overcharge, over-discharge, short circuit protection
• Cycle life: Approx. 300–500 cycles to 80% capacity
• Operating temperature (charge): 0°C to 45°C
• Operating temperature (discharge): -20°C to 60°C
• Certifications: CE, RoHS
• Product status: Replacement part

Why choose it

This battery pack is built around a single lithium-ion pouch cell, delivering stable 3.7 V output for consistent performance. Integrated protection circuitry guards against common failure modes, extending the lifespan of both the battery and your device. Its compact, lightweight design makes it easy to install in tight spaces, and the rechargeable nature means you can keep your equipment running without frequent replacements.

Ideal use cases

• Replacing worn-out batteries in wearables, fitness trackers, and smart watches
• Powering IoT sensors and remote monitoring devices
• Restoring functionality to handheld scanners, medical devices, and other compact electronics
• DIY electronics projects requiring a small, protected Li-ion cell

Good to know

Always verify the physical dimensions and connector type of your original battery before ordering. This pack is designed as a replacement part and may require soldering or a compatible connector adapter for installation. Store the battery in a cool, dry place and avoid exposing it to extreme temperatures to maximize cycle life.