Portable 4x 4AAA To C Size Parallel Battery Convertor Adapter Holder Cases Box

Can convert any size AAA battery to a size C battery. Option to use 1 AAA,2 AAA, 3 AAA or use 4 AAA for more capacity. Option to use 1 AAA,2 AAA, 3 AAA or use 4 AAA for more capacity. The item is a set of 4pcs battery adapter converter cases, which are specially used to connect four AAA batteries together for replacing a large C battery.

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