SKU: 91020828217

ARCO Zeus A225S 1"-2" Single Foot Alternator w/Isolated Ground, Terminal Block Zeus High-Energy Alternator Regulator [4015-AZ1000]

$753.21 $836.90
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Description

ARCO Zeus A225S 1"-2" Single Foot Alternator w/Isolated Ground, Terminal Block Zeus High-Energy Alternator Regulator [4015-AZ1000]Zeus A225S 1" 2" Single Foot Alternator with Isolated Ground, Terminal Block & Zeus High Energy Alternator Regulator Zeus A225S 1" 2" Single Foot Alternator with Isolated Ground & Terminal Block The highest power output alternator in its size class. Features: Engineered for high energy production. Suitable for marine, RV, military, and commercial applications. Rapidly charges large battery banks. Coolest operating temperatures for increased

Zeus A225S 1"-2" Single Foot Alternator with Isolated Ground, Terminal Block & Zeus High-Energy Alternator Regulator

Zeus A225S 1"-2" Single Foot Alternator with Isolated Ground & Terminal Block

The highest power output alternator in its size/class. 

Features:

  • Engineered for high energy production.
  • Suitable for marine, RV, military, and commercial applications.
  • Rapidly charges large battery banks.
  • Coolest operating temperatures for increased performance, running 8-20% cooler than incumbent alternators due to:
  • Heat-shedding coatings
  • Rectifier located on housing exterior
  • Dual cooling fans
  • OEM components
  • Optimized for performance at idle speeds.
  • Reduces the need for a generator by creating additional power with your engine.
  • Unleash peak performance with E-Coat/Cerakote. Our advanced coating absorbs less heat, keeping the A225S cooler for sustained amperage output.
  • Use the ARCO Zeus Bluetooth Alternator Regulator for maximum performance or lithium battery charging.
  • SAE J1171 Certified.
  • Models are available with an internal/external voltage regulator.
  • Proudly made in the U.S.A.

Technical Specifications:

  • Voltage - 12V
  • Field Type - P
  • Rotor Poles - 16
  • Stator Size - 130mm
  • Frame Size - Small
  • Weight - 12 lbs/5.4 kg
  • Regulation - Internal/External (Internally regulated with adaptor for optional external regulation.)
  • Output Voltage - 14.1v (Default)
  • Finish - (Black) Cerakote or E-coating
  • Cut-In RPM - 1,061 Alternator RPM
  • Maximum Alt RPM - 19,000
  • Battery Post - M8 Thread Post, Side Mount
  • Standard Pulley - 49K6 (6-groove, 49mm)
  • Pulley Mount - 17mm diameter shaft, 25mm long, threaded M17 x 1.5
  • Pulley Hardware - M17 x 1.5 x 24mm nut, w/ 18mm ID x 29mm OD washer (Included)
  • Diodes - 6 positive, 6 negative, 50A Rated, Avalanche
  • Max Output (Cold, 9,000 RPM) - 254 Amps
  • Sustained Cruising Output (Hot, 6,000 RPM) - 187 Amps
  • Sustained Idle Output (Hot, 3,000 RPM) - 157 Amps
  • Max Continuous Operating Temperature - 110°C / 230°F

Mounting Application:

  • Replaces most domestic styles using a single 1" or 2" mounting foot (e.g., Motorola, Prestolite). Requires Standard single "V" belt upgrading to a double "V" belt or Serpentine System

Zeus High-Energy Alternator Regulator

ARCO’s Zeus is the only high-energy external alternator regulator to feature Bluetooth and a native app (on IOS and Android) allowing for easy installation and configuration. With its intuitive interface, you can access information on your system that you never had before. This information will enable you to regulate your system and optimize your battery charge and alternator output, resulting in a safer experience while protecting your energy system investment.

Zeus is the only alternator regulator that can read 2 shunts at a time (the battery shunt and alternator shunt). This feature enables Zeus to react to inputs from the battery current/temperature and alternator current/temperature.

Through the ARCO Zeus application, you are in good hands. Your data is automatically logged and can be shared with your technician to troubleshoot your system remotely. You can even import your remote technician’s configurations. 

Zeus optimizes battery charges for 12-48 volt systems. Whether you are using Lithium (LiFePo4) batteries or lead-acid Deep Cycle batteries, Zeus has you covered with its pre-set battery libraries and configurable menus to optimize your charging profiles. Zeus manages a complex set of inputs by giving you easy-to-understand options.

Zeus also takes into consideration the power of your engine and allows you to configure the alternator’s power take-off from the engine by managing the field, or duty. An advanced feature of Zeus is that it can turn your engine into a dedicated generator with the press of a button, whereby it focuses the alternator’s performance on the creation of energy to replenish your battery bank quickly.

Consistent with Zeus’ ease of use, Zeus is the only alternator regulator on the market that comes with alternator/battery harnesses and 2 thermistor harnesses, without an additional charge, saving users money and time from sourcing harnesses.

Features:

  • Secure Bluetooth connection
  • Harnesses, Thermistors, and NMEA 2000 kit included
  • Monitors the state of charge
  • Can turn your engine into a dedicated generator with generator mode
  • Pre-set battery libraries
  • Data logging and sharing
  • CAN bus and NMEA 2000-integrated networks
  • Compatible with all voltage systems (12- 48V)
  • IP66 & IP67 rated
  • 2-Year warranty

Technical Specifications:

  • Enclosure dimensions without antenna - 8.2" x 5.9" x 2.4" 
  • Enclosure dimensions with antenna - 8.2" x 7.5" x 2.4"
  • Weight - 1.7 lbs

In the Box:

  • Zeus high-energy alternator regulator
  • Battery wiring harness
  • Alternator wiring harness
  • 2 thermistors
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 91020828217

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4.0 ★★★★★
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Sandy Evers
Draper, US
★★★★★ 5
Amazon essentials jeans
Size: 36W x 30L, Color: Stone Medium Wash
Wasn’t sure what I was going to get for such a low price, very happy with it. When I told my wife I bought a low priced Amazon essentials pair of jeans she said I shouldn’t wear them when I go out, just around the house and yard. After they arrived and I tried them on she changed her mind, said I should get several pairs. They fit perfectly and look great. Always appreciate a good deal!
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Reviewed in the United States on February 13, 2026
D
Verified Purchase
Dave
Birmingham, US
★★★★★ 5
Great jacket
Size: Large, Color: Antique Indigo, Size: Large, Color: Antique Indigo
5’ 10”, 160 lb, 46” chest, 38” waist. I bought a size L jacket in antique indigo. I thought it might be too tight, but it fit perfectly, with enough room to wear a layer underneath. The sleeves were a good length, with maybe ½” extra for shrinkage in the wash. It was difficult at first to button the jacket. I cleaned up the button holes carefully with a small pair of scissors and now it’s much easier. I had tried the Levi’s Men’s Trucker Jacket, also in a L. It felt a bit snug in the chest and tight under the shoulder. Not much room for layering. I decided to keep the Wrangler jacket. The fit is looser. I like the the square chest pockets (which will actually hold something) and straight vertical seams over the Levi’s small, tapered pockets and diagonal seams.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 7, 2025
S
Verified Purchase
Sheryll Hicks
Lexington, US
★★★★★ 5
Read the reviews to choose CORRECT SIZE
Size: X-Large, Color: Antique Indigo
A is offering discounts on some sizes, but caution is needed to avoid a mistake. My husband makes this review: * I am 6' 0" tall; 215 #; chest 44"; waist 39" * XL fits very, very well. This is a "waist jacket", and I am old enough to call it an "Ike" or "Eisenhower jacket" * The fit is flattering; but there is space available for a medium sweater. * I typically wear a size 16 1/2 neck and a 34" sleeve--I have some welcome space at the neck and the sleeve extends about 1-1 1/2" below my wrists--I like this a lot * I wanted the lighter color, BUT I saved about $15 with the darker. * Reading reviews here, I DID wash it the first time with 1/4 cup salt and 1/2 cup vinegar--I believe the suggestion was made for purposes of "fixing" the color. [Warm wash and cold rinse.] * Post-wash girth and length remained the same. * NO SMELL, PRE-WASH or POST-WASH. * "Fit and finish" was very good; no defects of any kind seen; fabric quality is sturdy. * I find it a handsome and useful weight/size. I live in the Central Cal. desert, so we do not see much cold, even in Winter. I expect many years of use for this garment. At current 30% off, this is a COMPELLING bargain. [Sorry, I do not take photos.]
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 9, 2023
M
Verified Purchase
MikeInWeston
Waukegan, US
★★★★★ 5
6'1" 280+ with a middle, and 3x is perfect
Size: 3X-Large, Color: Antique Indigo
Naturally, this arrived stiff and the arms were a little long, but a hot wash and hot dry softened it perfectly and brought the sleeves up just enough. Jean jackets just have to break in. I slept in it last night to form it to my body although my wife thought I was nuts. These aren't warm jackets, but if you're my size 3x will leave just enough room for layers. Of course, the jacket will become a best friend like all the others have. It'll just take some time. I've seen complaints about the buttons and, yes, they'll also need to break in too. But they will!
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Reviewed in the United States on January 27, 2026
D
Verified Purchase
David O. Hoagland
Massapequa, US
★★★★★ 4
Like Steve McQueen, all I need's a fast machine...
Size: Medium, Color: Vintage Indigo
I was very impressed by the quality of the Vintage Indigo (distressed) jacket I received. Much heavier denim than Levi's, rugged stitching, classic fit that is also much better than the relaxed Levi's available on Amazon. The inside pockets are generous and sturdy but have no closure flap so if you bent over enough I suppose things could fall out. This jacket is pretty bombproof if you ask me and at half the price of Levi's. I only wish that they made this in size small, which I can't find anywhere. I am 5'9" and 170 lbs, athletic build. I like a high and tight fit on these like Steve McQueen would have rocked, the shoulders and sleeves on this medium size are a bit oversized, the body is just a tad more relaxed and longer than I would like. Most guys would probably be very pleased with this medium. It would work very well over sweaters and such. Update: I ordered the Lee Boss Man vintage style jacket in Medium, it's much tighter fitting than this Wrangler and the vintage wash is much more convincing. The Lee is a much trimmer fit, tight across the shoulders and through the sleeves, slim on the body. It's more the Steve McQueen look I was searching for so it's a keeper. No room for sweaters under the Lee and the denim is much lighter weight than the Wrangler. Lee's the one for me. This Wrangler is very good quality but not quite the fit for me so it goes back. Thankfully Amazon makes returns free and easy so you can try every brand.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 9, 2015

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