[Shop-talk] Long term battery tender set up

eric at megageek.com eric at megageek.com
Sat Aug 4 14:50:36 MDT 2018


Hello all.  quick question, maybe one of you know of something like this 
that I need.

I have a 14' electric man lift that get used very infrequently.  I 
normally leave it plugged in to the built in charger.  The problem is that 
it seems to boil the water out of the batteries after a few months (or 
maybe more.)  Since I was away with the Army for a while, it's been maybe 
close to a year since I got to check it last.  It was pretty dry. 
Refilling with water and the batteries work fine.

I figured the on board charger would be smart enough not to charge if the 
batteries are full, but it doesn't seem to be the case.

So I was wondering if there was a multi-day/week timer I can use on the 
charger (it's 120v AC, I don't know how many amps, but it works fine in 
most outlets, so I would say well less than 15amps.)

I need something that could turn on for a few hours, then maybe turn off 
for a week or so.  Then turn on for a few hours and repeat.

Does something like this exist?  Is there a more elegant solution?  Am I 
missing something?  Who invented liquid soap and why?  8>)

And yes, I know, check the battery's water level more frequently, but if 
there is a way to prevent it from boiling out in the first place, I would 
prefer that.

Thanks in advance.


Sent from my Commodore 64 on a 2400 Baud Modem.
Tech Viper
"Be as beneficent as the sun or the sea, but if your rights as a rational 
being are trenched on, die on the first inch of your territory." Ralph 
Waldo Emerson 
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