USE AA BATTERY AS D BATTERY

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Can an AA battery be used as a D battery? Yes it can! Use eight 1 yen coins to add length and make yourself a D battery! [From "How to Craft Safety"]

Materials and equipment: AA batteries, eight 1 yen coins (or similarly small aluminium coins), cardboard, duct tape
How to craft:
1. Attach coins to bottom of battery with tape.
2. Wrap cardboard around the battery and make into same thickness as D battery.
Memo: This is only for use in emergencies only. When using this make shift D battery in flashlights, the light may be dimmer than usual.