EVE CR17450 Replacement Battery 3V 2400mAh Li-MnO2

EVE CR17450 — 3V Li-MnO2 Replacement Battery

The EVE CR17450 is a 3V lithium manganese dioxide primary cell rated at 2400mAh (7.2Wh). It is a non-rechargeable A-size cylindrical cell used in industrial, medical, and security equipment that requires a stable long-term voltage source. This listing covers a direct cell replacement for any equipment specifying the CR17450 footprint.

• CR17450 platform fit: Equipment specifying the CR17450 format shares the same 17mm diameter and 45mm length. Any device built around this footprint expects a 3V nominal output with the high-energy-density characteristics of Li-MnO2 chemistry — not alkaline or NiMH substitutes, which will under-volt the circuit.
• Bench tested on actual hardware: We measured open-circuit voltage on cells from this batch and confirmed output between 3.2V and 3.3V at rest — consistent with a fresh Li-MnO2 cell. BMS-equipped devices accepted the cells without fault codes on insertion.
• Manufacture date check before installation: Check the date code printed on the cell wrapper before fitting it into long-term or low-drain equipment. Cells stored in warm or humid conditions can self-discharge below the device acceptance threshold even within the 10-year shelf life window. A fresh cell from a sealed pack is the only way to confirm you are starting at full capacity.

CR17450 reading lower than 3V before first use

A resting Li-MnO2 cell sits between 3.2V and 3.3V when fresh and unused. If your multimeter shows below 3.0V on a new cell, the cell has self-discharged — most often from improper storage at elevated temperature or humidity. Devices with low-voltage detection circuits will reject these cells immediately, showing a low-battery warning or refusing to power on. Replace with a cell from a sealed, recently manufactured batch and confirm open-circuit voltage above 3.0V before installing.

Device not recognising CR17450 after long shelf storage

Some industrial and medical devices run a voltage acceptance check at power-on and will not initialise if the cell reads below their threshold — commonly 2.8V to 3.0V. A CR17450 that has been stored for several years, particularly outside climate-controlled conditions, may fall below this window even if it still has residual charge. There is no recovery step for a primary cell below threshold — the cell must be replaced. Fit a fresh cell, power-cycle the device, and verify the acceptance voltage is met before returning the equipment to service.