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Batteries 381

 prices on 5 models  

381

— the "300" series includes miniature 1.5 V "coin" batteries — analogues of the LR series alkaline cells, made using more advanced silver oxide technology. This technology is more expensive, but allows to achieve greater capacity, more stable voltage and resistance to high discharge currents (although the nominal currents can be relatively low).

Note that the most popular designation for silver oxide batteries is SR with two numbers (the same as in LR cells of the same size. However, our catalog uses a purely digital three-digit designation as a basis. It is more accurate, since it takes into account not only physical dimensions , but also the discharge current — high (HD) or low (LD); and it significantly affects the specifics of using the battery. For example, it is impossible to determine the discharge current by marking SR69; but according to the rules of the "three hundredth" series, such elements of the HD discharge format will be designated as 370, LD as 371.

Specifically, size 381 is a low current (LD) version of the SR55. In diameter, such a battery is 11.6 mm, its thickness is 2.1 mm. Alkaline analogue — LR55.
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Renata Silver Oxide Battery - Superior Leakage Resistance
381 SR1120SW | Nominal Voltage - 1.55V | Nominal Capacity - 50 mAh
High capacity retention on storage (low self-discharge)
 more→> Swiss quality and consistently great performance, battery after battery.
Works for toys, watches, cameras, calculators, car security alarm, keyless car remotes, organizers, computer equipment (memory backup battery) CMOS
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Murata 381/391 SR1120/W/SW 1.55V Silver Oxide Button Cell Watch Battery, 60mAh Murata exemplifies the long tradition of creating Japanese quality micro batteries with high performance and reliability
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