Amazon.com: Battery Adapter Converter for AAA to AA Battery Transparent Cases Holder Shell with Metal Contacts on Bottom(Clear Color,Pack of 10) : Electronics
How to install the AAA batteries into the connector AA - YouTube
Great Life Hack! How to use AAA batteries instead of AA - YouTube
Duracell Recharge Plus AAA Batteries
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How to Use AAA Batteries As AA Batteries: 6 Steps (with Pictures)
How to connect 4 batteries and 3 bateries together - life hack - YouTube
If you have too many AAA batteries and no AA batteries. : r/lifehacks