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High Quality

SII’s mercury-free silver oxide batteries are manufactured in a high-tech clean room environment in a newly constructed factory. This facility was specifically designed for the manufacturing of ultra precision electronic devices and incorporates all new equipment. Within the clean room environment SII has eliminated contamination allowing us to ensure consistent quality.

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Advanced Technology

Until recently, a small amount of mercury was included in the chemical compound of the silver oxide battery to suppress the possible generation of hydrogen gas should the zinc-based negative electrode corrode. If this hydrogen gas is generated, leakage resistance and storage stability of the battery will deteriorate and a possibility of swelling may occur.
SII developed and incorporated the following two technologies in our no mercury added silver oxide batteries:

  1. Use of high-corrosion resistance zinc alloy
  2. Addition of a high performance inhibitor in the electrolyte

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No Mercury & No Lead Added

According to the European Union (EU) battery directive, the marketing of batteries containing more than 0.0005% of mercury by weight is prohibited due to mercury’s hazardous effects on human health and our environment. Coin cell batteries including silver oxide batteries, that have been exempt from this prohibition, will also be prohibited from October, 2015. SII had already achieved this “reducing environmental burden challenge” with our SEIZAIKEN mercury free/Pb free silver oxide battery. SII provides safety and security from production all the way to final consumption.

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Features

Ecology

The introduction and adoption of new technologies made it possible to avoid using mercury and lead, which are environmentally harmful.

Excellent leakage resistance

Other than eliminating the need for mercury in the compound, these batteries are manufactured to have excellent leakage resistance attained by our newly developed crimping structure. This is made possible by our new high-performance manufacturing machinery and process.

High reliability

Production in our high precision clean room environment thoroughly prevents contamination – resulting in the most consistent, highest reliability battery.

Type UCAR
No.
Electrical (atRoomTemp.) Nominal Voltage (V) Dimensions Diameter (mm) Dimensions Height (mm) Weight (g) C.C.V. (TYP.)* +24ºC(V) C.C.V. (TYP.)* -10ºC(V)
Low SR416SW 337 1.55 4.8 1.65 0.11 1.35 1.10
Low SR421SW 348 1.55 4.8 2.15 0.14 1.35 1.10
Low SR512SW 335 1.55 5.8 1.25 0.15 1.45 1.10
Low SR516SW 317 1.55 5.8 1.65 0.18 1.45 1.10
Low SR521SW 379 1.55 5.8 2.15 0.23 1.45 1.10
Low SR527SW 319 1.55 5.8 2.7 0.29 1.45 1.10
Low SR616SW 321 1.55 6.8 1.65 0.25 1.45 1.10
Low SR621SW 364 1.55 6.8 2.15 0.32 1.45 1.20
Low SR626SW 377 1.55 6.8 2.6 0.39 1.45 1.20
Low SR712SW 346 1.55 7.9 1.25 0.26 1.45 1.10
Low SR714SW 341 1.55 7.9 1.45 0.29 1.45 1.20
Low SR716SW 315 1.55 7.9 1.65 0.33 1.45 1.20
Low SR721SW 362 1.55 7.9 2.1 0.42 1.45 1.20
Low SR726SW 397 1.55 7.9 2.6 0.52 1.45 1.20
Low SR731SW 329 1.55 7.9 3.1 0.56 1.45 1.20
Low SR41SW 384 1.55 7.9 3.6 0.67 1.45 1.20
Low SR912SW 1.55 9.5 1.25 0.40 1.45 1.20
Low SR916SW 373 1.55 9.5 1.65 0.51 1.45 1.20
Low SR920SW 371 1.55 9.5 2.05 0.6 1.45 1.20
Low SR927SW 395 1.55 9.5 2.7 0.75 1.45 1.20
Low SR936SW 394 1.55 9.5 3.6 1.1 1.45 1.20
Low SR1120SW 381 1.55 11.6 2.05 0.93 1.45 1.20
Low SR1130SW 390 1.55 11.6 3.05 1.29 1.45 1.20
Low SR43SW 301 1.55 11.6 4.2 1.75 1.45 1.20
Low SR44SW 303 1.55 11.6 5.4 2.2 1.45 1.20
High SR626W 376 1.55 6.8 2.6 0.39 1.35 0.95
High SR721W 361 1.55 7.9 2.1 0.41 1.35 1.05
High SR726W 396 1.55 7.9 2.6 0.52 1.35 1.05
High SR41W 392 1.55 7.9 3.6 0.67 1.35 1.05
High SR920W 370 1.55 9.5 2.05 0.6 1.4 1.10
High SR927W 399 1.55 9.5 2.7 0.75 1.4 1.10
High SR1120W 391 1.55 11.6 2.05 0.93 1.4 1.20
High SR1130W 389 1.55 11.6 3.05 1.29 1.4 1.20
High SR43W 386 1.55 11.6 4.2 1.75 1.45 1.20
High SR44W 357 1.55 11.6 5.4 2.2 1.45 1.20

* C.C.V. : Closed Circuit Voltage Low Drain 2kΩ 7.8msec Pulse High Drain 200Ω 5sec. DC