The cutoff voltage of the LR41 battery depends on the cutoff voltage of the device being powered, but it is mostly around 1.0 volts, although there are many simple devices being able to operate even at 0.8 volts per battery. Some brands claim a much larger capacity of their LR41 batteries, but such batteries are often drained using ultra-low currents, with their actual capacities being often within the 25-32 mAh range. LR41 battery features a nominal voltage of 1.5 volts and a nominal capacity of 25-32 mAh. The actual capacity of these batteries depends on the cutoff voltage of the device, but it also depends on the drain current - the stronger the current, the lower the end capacity will be.Īlkaline 7.9 x 3.6 mm batteries: Most common label for alkaline 7.9 x 3.6 mm battery is LR41 battery, although other labels are used as well, like LR736, AG3, and similar.įortunately, most reputable brands always use LR41 as part of the battery label, allowing the users to easily determine the battery type and model. Physical dimensions of SR41 and LR41 batteries are (D x H) 7.9 x 3.6 mm (0.311 x 0.142 inches) with their common features given in the following comparison chart: Chemistry SR41 and LR41 Batteries Features and Specifications These batteries are available on the market in several chemistries, featuring similar, but not the same discharge characteristics and are often labeled differently by their manufacturers, leading to some confusion by their users. SR41 and LR41 batteries are small, button/coin cell batteries often used in digital thermometers, wrist watches, toys, small LED flashlights, wearable electronics, remote controls, and similar devices. SR41 and LR41 Battery Equivalents and Replacements
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