Panasonic BK-3MCCA8BA Eneloop AA 2000mAh 2100 Cycle 8 Pack
- 8-pack
- AA Ni-MH
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Six 3 V lithium coin cells with horizontal PC pins, 24.5 mm × 7.7 mm, 10-year shelf life
This pack contains six Panasonic BR2477/HFN lithium coin cells, each rated at 3 V and fitted with horizontal PC pins for direct board mounting. The 24.5 mm by 7.7 mm cells suit designs that need a permanent, solder-in power source rather than a holder-based swap. Buyers needing a quick-change battery without soldering should look elsewhere.
The lithium chemistry delivers a high energy density and a steady voltage curve across the discharge cycle, with a quoted shelf life of up to 10 years when stored correctly. The pinned termination ensures a low-resistance connection that avoids the intermittent contact sometimes seen with spring-loaded holders. Applications demanding very high pulse currents may exceed what this coin format can sustain.
Horizontal pins fix the cell flat against the PCB, saving vertical clearance but requiring board space for the 24.5 mm diameter. The pinned design suits automated assembly and vibration-resistant builds, yet it makes field replacement difficult without desoldering equipment. Equivalent part numbers such as CR2477-1HF and P126 confirm broad cross-compatibility for existing layouts.
Measured against everything we stock in Household Batteries & Chargers, at today’s prices. Recalculated every night.
| Power | |
|---|---|
| Battery type | CR2477 |
The cell measures 24.5 mm by 7.7 mm, matching the standard CR2477 footprint, so it seats in the same holder your board already uses.
Measure the open-circuit voltage with a multimeter; a fresh Panasonic lithium coin cell should read at or very near 3 V.
The package contains six BR2477/HFN cells with horizontal PC pins; no extra adapters, tabs or hardware are included.
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