Onboard Battery Charger Recommendations

[CMS]

Amazon has the 1250P for $491. Several choices but that was the cheapest one I saw.

We could have save you quite a bit of money $425.00 vs. $491.00, and helped with support. The big guys don't always have the best prices...

https://shop.marinehowto.com/products/sterling-procharge-ultra-battery-chargers




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[4mo]

Any thoughts on something like this for a 700Ah house bank: https://smile.amazon.com/gp/product/B01ER3LH5W/ref=ppx_yo_dt_b_asin_title_o04_s00?ie=UTF8&psc=1

 

[FF]

Starting with about 13.4 volts. (3x4D house batteries) When I use my microwave and inverter, I see the voltage drop to about 11.5. When the micro wave finishes, (couple of minutes) the voltage bounces up to at least 12.5. I never watched to see how long it takes to get the voltage back up to 13+volts with the Xantex 40amp True Charge charger on shore power.

The better question is what is the charge voltage as it is refilling after a short heavy use?

If the unit cycles back to the 13.4 that's fine , but if it goes to 14.4 then drops back to float you may use a lot of water.

 

[OldDan1943]

The better question is what is the charge voltage as it is refilling after a short heavy use?

If the unit cycles back to the 13.4 that's fine , but if it goes to 14.4 then drops back to float you may use a lot of water.

AGM batteries.