2-power Main Battery Pack 3850 - Akku - 42 mAh (2P-45N1090)

For technicians and field engineers who depend on compact electronic devices, this 2-POWER Main Battery Pack 3850 provides a dependable 42 mAh lithium-ion power source. It fits into small sensors, backup modules, and proprietary handheld tools where reliable energy is critical for uninterrupted operation.

Key specifications

• Battery type: Lithium-Ion (Li-ion)
• Capacity: 42 mAh
• Nominal voltage: 3.7 V
• Energy: 0.1554 Wh
• Rechargeable: Yes
• Number of cells: 1
• Product type: Replacement battery
• Application: Small electronic devices (e.g., specific sensors, backup power)
• Form factor: Internal/proprietary (assumed)
• Safety features: Overcharge, over-discharge, short-circuit protection (assumed)

Why choose it

This battery is built to match the original specifications of the 3850 series, ensuring a seamless fit and stable performance. Its lithium-ion chemistry delivers consistent voltage output and a long service life, reducing the need for frequent replacements. The integrated protection circuits safeguard both the battery and your device from electrical faults, giving you peace of mind in demanding environments.

Ideal use cases

• Replacing a worn-out battery in a proprietary sensor or data logger
• Providing backup power for small IoT devices and remote monitors
• Keeping spare batteries on hand for field service kits
• Restoring functionality to legacy handheld instruments that rely on the 3850 form factor

Good to know

While the connector type is not specified, this battery is intended for devices that accept the 3850 pack design. Always verify physical dimensions and connector orientation before installation. Store the battery in a cool, dry place and avoid deep discharge to maximize its lifespan.