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Single battery to replace this three-AAA battery? : r/batteries
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AAA Battery 3x1.5V Storage Adapter Case,18650 Battery Holder Converter for 18650 LED Flashlight 8 Set - Newegg.com
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Any single battery alternative for the circular 3x AAA battery holders? : r/flashlight
Buy 2pcs Plastical Battery Holder Box Case 3 Aaa To 18650 Battery Converter Good Service at affordable prices — free shipping, real reviews with photos — Joom
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