Great video! I really applaud your shared vision to increase the level of knowledge and professionalism throughout the boating industry. As I am sure we can all agree that the industry needs it. In the shared interest towards increasing the knowledge level in the industry I would like to see what ABYC's recommended position would be in regards to a single externally regulated alternator's ability to properly charge two battery banks on a sailboat with GEL batteries in one bank & AGM batteries in the other bank? I'm sure this is addressed constantly and ABYC has a clear position. To add more detail the Electrical System is 12v DC & 120v AC. The 2 battery banks are currently charging from the engine: Yanmar 4JH4-TE (55A) with a stock alternator (Hitachi 80 Amp/not externally regulated) & goes through a battery isolator. Additionally a voltage drop of 1.03VDC is recorded through the isolator as expected. The house batteries (Bat Bank #1) are Trojan TE-35-GEL 6V 210Ah's (prior house batteries changed 2mths ago consisted of Flooded Lead Acid batteries) (Bat Bank #2) are AGMs (Optima Red Tops) for the Engine & Genset start batteries. To improve the charging on both battery banks from the single engine alternator we are considering removing the current alternator for modification to "P" Type for external regulation & reinstalling after the modification with a Balmar MC-614-H, Max Charge Digital Regulator, 12V Blue Sea 5065, ATC In-Line, & Waterproof Fuse Block. Ultimately we would be replacing the isolator with a battery combiner. However after reading an article shared by the ABYC I am starting to think that installing the alternator charging relay would be a rookie mistake and not advisable by ABYC, as the sailboat has 2 different battery types between the 2 battery banks that charge at different optimal voltages, & the charging relay would combine both types for charging; therefore, the regulator would have to be set for the battery bank with the lower voltage GELs in order to protect them during charging, and then the starting battery bank would never achieve a full charge. Wouldn't you agree? Any thoughts or recommendations with the objective in mind towards optimal charging?
Thank you so much for posting this video, very helpful. Now I get it. Well done. Thanks.
Great video!
I really applaud your shared vision to increase the level of knowledge and professionalism throughout the boating industry. As I am sure we can all agree that the industry needs it.
In the shared interest towards increasing the knowledge level in the industry I would like to see what ABYC's recommended position would be in regards to a single externally regulated alternator's ability to properly charge two battery banks on a sailboat with GEL batteries in one bank & AGM batteries in the other bank?
I'm sure this is addressed constantly and ABYC has a clear position. To add more detail the Electrical System is 12v DC & 120v AC. The 2 battery banks are currently charging from the engine: Yanmar 4JH4-TE (55A) with a stock alternator (Hitachi 80 Amp/not externally regulated) & goes through a battery isolator. Additionally a voltage drop of 1.03VDC is recorded through the isolator as expected.
The house batteries (Bat Bank #1) are Trojan TE-35-GEL 6V 210Ah's (prior house batteries changed 2mths ago consisted of Flooded Lead Acid batteries)
(Bat Bank #2) are AGMs (Optima Red Tops) for the Engine & Genset start batteries.
To improve the charging on both battery banks from the single engine alternator we are considering removing the current alternator for modification to "P" Type for external regulation & reinstalling after the modification with a Balmar MC-614-H, Max Charge Digital Regulator, 12V Blue Sea 5065, ATC In-Line, & Waterproof Fuse Block.
Ultimately we would be replacing the isolator with a battery combiner.
However after reading an article shared by the ABYC I am starting to think that installing the alternator charging relay would be a rookie mistake and not advisable by ABYC, as the sailboat has 2 different battery types between the 2 battery banks that charge at different optimal voltages, & the charging relay would combine both types for charging; therefore, the regulator would have to be set for the battery bank with the lower voltage GELs in order to protect them during charging, and then the starting battery bank would never achieve a full charge.
Wouldn't you agree? Any thoughts or recommendations with the objective in mind towards optimal charging?
A year now passed. No responses. Proof to never use CZcams comment area, to ask questions.
I see zeros on the load test. Is that right?
O.C.V. Open Circuit Voltage means: NOTHING is connected to the battery posts. No cables connected, for four hours minimum before testing OCV.
regaty 1998