Another cool thing: Hacking a 6V battery to get a year’s supply of AA
To go with my post about recharging non-rechargeable batteries, this hack of a 6V battery promises to save all of a few bucks:
Source: save a lot of money on batteries?Having worked for a major retailer of power products, I can tell you that batteries were sold at a gross margin of 94%. That means, if a telephone battery retails for $15, the cost to the retailer was only $.90. So yeah, I’m going to check this out - it makes sense to me.
