• By AddyDugdale
    Aug 20, 2007 5:14 AM 26,379
    read more: #unbelievable, #a23, #batteries, #hack, #buttonbatteries

    The 12V Battery Hack that Saves You $40


    Did you know what is inside some batteries? About $40-worth of savings, it seems. Cut open an A23 battery (cost: 94 ) and you'll find eight 1.5-volt button batteries, each of whose RRP is around $4.99. [KipKay via Spluch]


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