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Single-use battery Panasonic CR 1220
The Panasonic CR 1220 is a single-use lithium coin cell with a nominal voltage of 3 V and a compact form factor of approximately 12.5 mm diameter and 2 mm height. Designed for small electronic devices, this coin battery offers stable voltage output and a low self-discharge rate typical of lithium chemistry. Its small size and light weight make it suitable for applications where compact, reliable power is required.
The lithium chemistry provides a consistent 3 V output and extended shelf life compared with alkaline alternatives. The small diameter and thin profile allow the battery to fit into tight compartments of wristwatches, calculators and compact sensors. Stable performance across a range of temperatures and low self-discharge contribute to long storage time and dependable operation in low-drain devices.
Install the battery in the device following the polarity markings: the positive terminal is usually the flat face with marking, and the negative is the opposite side. Ensure the battery compartment is clean and dry before insertion. Replace with the same battery type and voltage to avoid damage to the device. Dispose of spent batteries according to local regulations for lithium cells and do not incinerate.
Store unused batteries in a cool, dry place away from metal objects to prevent short-circuiting. Avoid mixing a new Panasonic CR 1220 with older cells in the same device. For devices that require continuous reliable power (for example, memory backup), replace batteries at manufacturer-recommended intervals.
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