SKU: 2549816093

Victron Argodiode Battery Isolator 140-3AC - 3 Batteries - 140A [ARG140301020R]

Sale price$85.68 Regular price$95.20
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Description

Victron Argodiode Battery Isolator 140-3AC - 3 Batteries - 140A [ARG140301020R]Argodiode Battery Isolator 140 3AC 3 Batteries 140A Argodiode Battery Isolators allow simultaneous charging of two or more batteries from one alternator, without connecting the batteries. Discharging the accessory battery for example will not result in also discharging the starter battery. Low voltage drop due to the use of high efficiency Schottky diodes. The Argo Battery Isolators feature a low voltage drop thanks to the use of Schottky diodes: at

Argodiode Battery Isolator 140-3AC - 3 Batteries - 140A

Argodiode Battery Isolators allow simultaneous charging of two or more batteries from one alternator, without connecting the batteries. Discharging the accessory battery for example will not result in also discharging the starter battery. Low voltage drop due to the use of high-efficiency Schottky diodes.

The Argo Battery Isolators feature a low voltage drop thanks to the use of Schottky diodes: at low current, the voltage drop is approximately 0,3 V, and at the rated output of approximately 0,45 V. All models are fitted with a compensation diode that can be used to slightly increase the output voltage of the alternator. This compensates for the voltage drop over the diodes in the isolator. 

Simply inserting the isolator in the cabling between the alternator and the batteries will slightly reduce charge voltage. The result can be that batteries are not charged to the full 100% and age prematurely. 

Alternator energize input

Some alternators need DC voltage on the B+ output to start charging. Obviously, DC will be present when the alternator is directly connected to a battery. Inserting a Diode or FET splitter will however prevent any return voltage/current from the batteries to the B+, and the alternator will not start. The new ‘AC’ diode isolators feature a special current limited energize input that will power the B+ when the engine run/stop switch is closed.

Please contact your dealer for any returns, repairs or support issues related to this product.
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SKU: 2549816093

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Ed
Grantham, US
★★★★★ 4
No Shirt Pocket!
Fit Type: Regular Fit, Color: Blue Stripe, Size: X-Large
No Pocket! The material was nice quality, a little thicker than I would have anticipate for a low priced shirt, and very soft. The only disappointment was there was not shirt pocket. I suppose I did not look closely enough at the photos to notice that before I purchased. Otherwise, this is a very comfortable shirt.
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Reviewed in the United States on February 23, 2026
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S. Jordan
Grantham, US
★★★★★ 5
Quite a nice shirt!
Size: XX-Large, Color: White
Nice fabric and fit! Nicely constructed, no skimping, no complaints at all.
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Reviewed in the United States on June 7, 2026
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John Turner
Draper, US
★★★★★ 5
Beautiful shirt
Size: XX-Large, Color: Sea Green
Great price great cotton shirt. Can’t lose.
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Reviewed in the United States on May 28, 2026
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Amazon Customer
Massapequa, US
★★★★★ 5
Great quality very comfortable
Size: Large, Color: White
100% the best cotton shirt I’ve bought in a very long time loved it so much. I bought the black after I bought it. I started looking at other colors.
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Reviewed in the United States on May 24, 2026
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Westerner
Charlottesville, US
★★★★★ 4
Fair quality all cotton Oxford with wide choice of colors
Size: Small, Color: Sky Blue
This is real oxford cloth with the warp dyed and weft left white. It's actually 100% cotton. I've ordered several other "100% Oxford" shirts on Amazon that were not. Amazon's own Essentials brand OCBD is better than this Cotton King brand and only half the price, but it is not offered in even a fourth of the colors. I like all the pastels. Amazon's "Stretch" version is not Oxford cloth or cotton at all. These Cotton King shirts are a bit lighter weight than the non-stretch cotton Amazon Oxford shirts which are about the same weight as the original Brook's Brothers or Lands' End "Sail Rigger Oxford" which is their current heavyweight oxford as well as their "Hyde Park" Oxford from the past. The Brooks Brother's USA-made Oxfords may be worth it, but I don't have a use for them. Their imported "Friday" Oxfords are just overpriced. Lands' End has been changing their sources and the fit is inconsistent often with sleeves that are too short and very few color choices. The all-cotton Amazon Oxfords are at least as good as the Lands' End and Brooks Brothers Friday shirts, sell for as little as Lands' End's lowest sale prices, and fit better, but the color choices are few. I've only bought these Cotton King in a few colors the others aren't offering. They're more expensive, but still half the price of the Friday shirts and worth just as much.
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Reviewed in the United States on June 2, 2026

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