I forgot to mention, I did a test at 300A just prior
to the 450A test - looked up the test procedure
and found 1/2 and not 1/3 CCA is the correct
test load.
chad
Chadwick E. Labno wrote:
>Don't know if this is the correct thing to do but I have a
>Schumacher Charger/Maintainer on a Optima Blue Top
>for around 2 years and it still passes a load test - using
>a Harbor Freight 500A tester. The tester pulls 450 Amps
>(1/2 CCA) for 15 seconds with the voltage staying above
>10 volts - during the test voltage drops to around 11.3V
>and the tester gets HOT! Remove the load and the voltage
>raises to 12.9 - this is without the Maintainer/Chager connected.
>chad
>
>Randall wrote:
>
>
>
>>>Do any of these trickle chargers work well with Optima
>>>batteries?
>>>
>>>
>>>
>>>
>>I have no experience, but the BatteryMINDer website specifically mentions
>>the Optima.
>>http://www.vdcelectronics.com/batteryminder_12117.htm
>>
>>But oddly enough, they also offer an Optima-specific model, so ???
>>http://www.vdcelectronics.com/Optima_batteryminder.htm
>>
>>
>>
>>
>>
>>>Is there a way to revive an Optima battery?
>>>
>>>
>>>
>>>
>>Depends a great deal on what is wrong with it, IMO. If it's sulfated, then
>>maybe a desulfator would work. But if, for example, it's been overcharged
>>enough to vent electrolyte, then no.
>>
>>Randall
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