i have run our solar sites down to dead (well, at least low enough voltage
that everything shut down) a few times over the years and the batts just
keep working. i wouldn't want to do it all the time tho lol
it's not really a one and done situation.
YMMV
On Wed, Dec 2, 2015 at 12:56 PM, That One Guy /sarcasm <
thatoneguyst...@gmail.com> wrote:
> so how dead does it make the battery for fully discharge, the rhetoric, is
> run em down, throw them away, is there a rule of thumb for damage?
>
> On Wed, Dec 2, 2015 at 12:49 PM, Bill Prince <part15...@gmail.com> wrote:
>
>> He didn't indicate how the 400 ah were configured. Is it one 12V 400 ah
>> battery, or one 24v 400 ah battery, etc. But as you noted, once you convert
>> the battery voltage and amp-hours to watts, it eliminates any confusion.
>>
>> If I had 4800 watt-hours of battery (assuming 12V X 4 at 100 amp-hours),
>> I would estimate 9 hours of run time until the batteries are dead as a
>> doornail. If you want to use them again (and most people do), then cut that
>> time in half.
>>
>> On the other hand, if you have a 48 volt battery with a 400 amp-hour
>> rating, then you actually have 19,200 watt-hours of capacity, and you could
>> multiply the above by 4.
>>
>> If you configure the four 12V/100 ah batteries in series, then you don't
>> have 400 ah, you have 48V/100 ah. The watt-hours are the same.
>>
>> bp
>> <part15sbs{at}gmail{dot}com>
>>
>>
>> On 12/2/2015 10:23 AM, Mathew Howard wrote:
>>
>> watt-hours stay the same - 200x24 and 100x48 both equal 4800 watt hours.
>> In other words, unless you have some horribly inefficient voltage
>> converters in the mix, it makes little difference.
>>
>> On Wed, Dec 2, 2015 at 12:05 PM, Bill Prince <part15...@gmail.com> wrote:
>>
>>> wrong.
>>>
>>> bp
>>> <part15sbs{at}gmail{dot}com>
>>>
>>>
>>> On 12/2/2015 10:04 AM, Josh Luthman wrote:
>>>
>>> If you do 4x 12v 100ah batteries and do 24v it's twice the time as 48v
>>>
>>> Josh Luthman
>>> Office: 937-552-2340
>>> Direct: 937-552-2343
>>> 1100 Wayne St
>>> Suite 1337
>>> Troy, OH 45373
>>> On Dec 2, 2015 1:01 PM, "Bill Prince" <part15...@gmail.com> wrote:
>>>
>>>> What voltage?
>>>>
>>>> bp
>>>> <part15sbs{at}gmail{dot}com>
>>>>
>>>> On 12/2/2015 10:00 AM, TJ Trout wrote:
>>>>
>>>>>
>>>>> How long will 500w load last on 400ah?
>>>>>
>>>>>
>>>>
>>>
>>
>>
>
>
> --
> If you only see yourself as part of the team but you don't see your team
> as part of yourself you have already failed as part of the team.
>
