2-power Main Battery Pack - Akku - 68 mAh (2P-451-BCKB)

For engineers prototyping wearable devices, IoT sensors, or compact electronics, the 2-POWER 2P-451-BCKB offers a dependable 68 mAh rechargeable lithium-ion polymer battery in a slim pouch format. Its integrated protection circuit guards against overcharge, over-discharge, overcurrent, and short circuits, ensuring safe operation in custom builds. With bare wire leads and a JST-compatible connector, it integrates easily into small-scale projects and production runs.

Key specifications

• Capacity: 68 mAh
• Nominal voltage: 3.7 V
• Energy rating: 0.25 Wh
• Chemistry: Lithium-ion polymer (LiPo)
• Form factor: Pouch cell
• Connector: Bare wires (JST-compatible)
• Cycle life: 300–500 cycles
• Operating temperature (charge): 0°C to 45°C
• Operating temperature (discharge): -20°C to 60°C
• Protection: Integrated PCM (overcharge, over-discharge, overcurrent, short-circuit)
• Internal resistance: < 200 mΩ
• Max continuous discharge current: 68 mA (1C)
• Max charge current: 34 mA (0.5C)
• Self-discharge rate: < 5% per month
• Certifications: CE, RoHS
• Dimensions (L x W x H): 20 x 10 x 3 mm
• Weight: 5 g

Why choose it

This battery delivers stable voltage and reliable capacity in a lightweight, space-saving design. The built-in protection circuit extends cell life and prevents damage from common electrical faults, making it a safe choice for embedded applications. Its low self-discharge rate ensures readiness after storage, and the wide operating temperature range supports use in varied environments.

Ideal use cases

• Wearable health monitors and fitness trackers
• IoT sensor nodes and remote data loggers
• Custom electronic prototypes and hobby projects
• Backup power for real-time clocks and memory retention
• Small medical devices and portable instruments

Good to know

The battery arrives with bare wire leads, allowing you to solder or attach your preferred connector. For optimal longevity, avoid deep discharges and store at partial charge in a cool, dry place. Always follow local regulations for battery disposal and recycling.