HarborRatt
New member
Hey guys.
Using an Optima spiral cell "dual purpose" battery (Optima D31M) with my `82 Johnson 90.
While on the water yesterday I noticed that with the engine at 4-5Krpms the charge voltage from the j90 regulator was about 16v or so, which is quite a bit higher than the AGMs are designed to tolerate.
Rather than smoking my new AGM battery with charge voltage that's too high, I'm thinking of adding an inline boost buck converter to regulate the charge voltage down to a safer 14.1V
Heres the device im considering:
https://www.ebay.com/itm/DC-DC-Conv...er-Adjustable-Charger-Board-Tool/124266576885
I would basically wire this inline with the factory regulator output before it feeds back into the battery & adjust the output volts/amps to levels the AGM can tolerate.. Thinking this inexpensive mod would eliminate over charging & help keep my AGM healthy.
Has anyone tried something like this, or can anyone suggest a better alternative?
Thanks!
Using an Optima spiral cell "dual purpose" battery (Optima D31M) with my `82 Johnson 90.
While on the water yesterday I noticed that with the engine at 4-5Krpms the charge voltage from the j90 regulator was about 16v or so, which is quite a bit higher than the AGMs are designed to tolerate.
Rather than smoking my new AGM battery with charge voltage that's too high, I'm thinking of adding an inline boost buck converter to regulate the charge voltage down to a safer 14.1V
Heres the device im considering:
https://www.ebay.com/itm/DC-DC-Conv...er-Adjustable-Charger-Board-Tool/124266576885
I would basically wire this inline with the factory regulator output before it feeds back into the battery & adjust the output volts/amps to levels the AGM can tolerate.. Thinking this inexpensive mod would eliminate over charging & help keep my AGM healthy.
Has anyone tried something like this, or can anyone suggest a better alternative?
Thanks!