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LR41 battery equivalents explained from Energizer’s data sheets: the 192 and AG3 alkaline names, the silver oxide SR41 (392 and 384) of the same size, voltage and capacity, what the code means and which to pick.

How to play Battleship by Hasbro’s official rules: the five ships and their sizes, placement rules, how a turn works, whether a hit gives you another shot, sinking ships, the Salvo variation and simple strategy tips.

SR626SW equivalents explained from Energizer’s data sheets: the 377 and 376 are the same 1.55 V silver oxide cell (IEC SR66, 6.8 x 2.6 mm), every other name it goes by, and why alkaline AG4 or LR626 cells differ.

How to play Jenga by the official rules: setup, who goes first, which blocks you can take (and why not from the top), the one-hand and touching rules, the 10-second rule, how to win, and solo play.

LR44 vs 357 vs AG13 vs SR44 explained from Energizer’s data sheets: the same 11.6 x 5.4 mm size, alkaline vs silver oxide chemistry, voltage, capacity, every equivalent name, and which one to use in watches, calculators and toys.