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SR416SW silver oxide (SR) and alkaline batteries (LR) are commonly used in watches, clocks, timers, calculators, laser pointers, toys, and LED "blinkies". Batteries that meet the IEC 60086-3 standards for watch batteries carry a "W" suffix. The functional differences between silver oxide and alkaline are:
SR416SW batteries are also named: 337. All have dimensions of 4.8 mm diameter 1.65mm height, and a capacity of 8 mAh.
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