🚀 go-pugleaf

In article <114@ems.UUCP> barker@ems.UUCP (Bob W. Barker) writes:
>In article <4@chasefrs.UUCP> saul@chasefrs.UUCP (Saul Goldfisher) writes:
>>I am trying to build a homemade battery for my daughter's science project
>>using multiple lemons with copper and aluminum plates.  After connecting
>>12 lemons I can get 2.2 volts but not enough amperage to light a 1.2v
>>2.2 mA bulb.  Any suggestions on how to improve the amperage output?
>>
>>Saul Goldfisher (212)-676-0851
>
>It sounds like you're going to have to put more fruit in parallel with
>what you've got now!  Another possibility would be to hide a couple of
>AA batteries in one of the lemons :-).  I wonder if grape fruit, limes or
>any other type of fruit would work better than lemons?

Anything which reduces the internal resistance will help. I don't know
if aluminium is very suitable - it's oxide layer may be a problem - zinc
is a traditional electrode. Also place the electrodes as close together
as possible without touching.