Re: Home Brew Chargers anyone?

MJKolodziej wrote:
> "RogerN" <regor@[EMAIL PROTECTED]
> wrote in message 
> news:TPOdncm0mIKNwHbVnZ2dnUVZ_gGdnZ2d@[EMAIL PROTECTED]
>> Thanks, I'll look on RCgroups DIY electronics forum.
>>
>> I'm looking at several boost chips available and playing with circuits
on 
>> Electronics Workbench and free SwitcherCad from Linear Technologies.  I

>> have a few inductors, microcontrollers, and MosFets to experiment with,
I 
>> need to get a boost controller, Schottky diodes, and higher voltage 
>> capacitors.
>>
>> I have commercial chargers but I don't have any that I can write custom

>> programs for.  Right now I would like to add a feature to keep liPo's
at 
>> storage voltage and automatically charge them to be ready by the date
and 
>> time I select(ie Noon Sunday, or next spring).  I could do the
electronics 
>> to make my Triton a 4 ****t charger but the program would have to be 
>> modified to switch batteries in and out of the charge circuit.  Since
the 
>> Triton, or any commercial charger I know of, isn't user programmable,
I'm 
>> attempting to make one that is.
>>
>> Thanks!
>>
>> RogerN
> 
> AFAIK LiPos don't self discharge so couldn't I charge then today and
have 
> them ready next spring? 

That is essentially true.

Earlier this year I checked out all of my LIPOS at the start of the 
flying season. Normally they are fully charged before being stored. All 
were about 95% of full charge or better.