2-power Main Battery Pack - Akku - 54 mAh (2P-0J60J5)

For technicians and hobbyists working on compact electronics, IoT sensors, or wearable devices, this 2-POWER main battery pack delivers a dependable 54 mAh lithium-ion power source in a space-saving form factor. Whether you're replacing a worn cell in a custom gadget or prototyping a new low-power device, its stable 3.7 V output and integrated protection circuitry keep your project running safely.

Key specifications

• Chemistry: Lithium-Ion (Li-ion)
• Capacity: 54 mAh
• Nominal voltage: 3.7 V
• Energy: 0.2 Wh
• Rechargeable: Yes
• Form factor: Prismatic/pouch (device-specific)
• Connector type: Not specified (device-specific)
• Cycle life: Approx. 300–500 cycles to 80% capacity
• Overcharge protection: Integrated
• Over-discharge protection: Integrated
• Short circuit protection: Integrated
• Charging temperature: 0°C to 45°C
• Discharging temperature: -20°C to 60°C
• Storage temperature: -20°C to 45°C
• Certifications: CE, RoHS

Why choose it

This battery is built for reliability in small-scale applications. The integrated protection against overcharge, over-discharge, and short circuits prevents damage to both the cell and your device, extending overall service life. Its compact prismatic design fits easily into tight enclosures, and the wide operating temperature range makes it suitable for both indoor and outdoor use in moderate environments.

Ideal use cases

• Replacement battery for small electronic devices
• Power source for IoT sensors and wearables
• Custom electronics and hobbyist projects
• Backup power for low-drain circuits

Good to know

The battery does not include a connector, so you may need to solder or attach a compatible plug for your specific device. Always observe correct polarity and use a suitable Li-ion charger. Store in a cool, dry place when not in use, and avoid deep discharge to maximise cycle life.