2-Power 2P-FW8KR - akku - akku 42 mAh 11,4 V

For devices that demand a compact, dependable power source, the 2-POWER 2P-FW8KR stands apart from generic coin cells and bulky external packs. This internal lithium-ion battery combines a 42 mAh capacity with an 11.4 V output in a three-cell configuration, delivering stable voltage for specialized electronics, backup circuits, and small portable equipment. Its proprietary connector ensures a secure, device-specific fit, while integrated protection against overcharge, over-discharge, and short circuits safeguards both the battery and the host device.

Highlights

• Lithium-ion chemistry with 42 mAh capacity and 11.4 V nominal voltage
• Three-cell internal form factor with proprietary connector for exact compatibility
• Built-in overcharge, over-discharge, and short-circuit protection
• Wide operating temperature range from -10°C to 60°C
• Typical cycle life of 300–500 charge/discharge cycles
• Compact black housing blends into most device interiors

In daily use

Engineered for long-term reliability, this battery maintains consistent output across a broad temperature window, making it suitable for both climate-controlled and moderately harsh environments. The proprietary connector eliminates guesswork during installation, while the protection circuitry actively prevents common failure modes. With an energy rating of 0.48 Wh, it is ideal for low-drain applications where space is at a premium and a rechargeable solution is preferred over disposable alternatives.

Full specifications

• Brand: 2-POWER
• Model: 2P-FW8KR
• Product Type: Rechargeable Battery
• Battery Technology: Lithium-ion (Li-ion)
• Capacity: 42 mAh
• Voltage: 11.4 V
• Energy: 0.48 Wh
• Number of Cells: 3
• Form Factor: Internal
• Connector Type: Proprietary (device-specific)
• Protection: Overcharge, Over-discharge, Short-circuit
• Operating Temperature: -10°C to 60°C
• Storage Temperature: -20°C to 45°C
• Cycle Life: 300–500 cycles (typical)
• Colour: Black

Final note

When replacing a worn internal cell, the 2-POWER 2P-FW8KR restores original runtime and safety margins. Verify connector orientation and voltage compatibility before installation to ensure optimal performance.