SKU: 3562530168

Mastervolt Battery Mate 1603 IG Isolator - 120A, 3 Bank [83116035]

$192.60 $214.00
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Description

Mastervolt Battery Mate 1603 IG Isolator - 120A, 3 Bank [83116035]Battery Mate 1603 IG Isolator 120 Amp, 3 Bank The Battery Mate is the ultimate solution for charging several batteries simultaneously and is compatible with any type of alternator battery charger, in both existing and new systems. As the voltage loss between the alternator and battery is negligible, the Battery Mate performs far better than conventional battery isolators. This ensures fast and complete charging of your batteries without having to make

Battery Mate 1603 IG Isolator - 120 Amp, 3 Bank

The Battery Mate is the ultimate solution for charging several batteries simultaneously and is compatible with any type of alternator/battery charger, in both existing and new systems. As the voltage loss between the alternator and battery is negligible, the Battery Mate performs far better than conventional battery isolators. This ensures fast and complete charging of your batteries without having to make additional adjustments to the alternator.

While battery isolators are conventional diode splitters, the Battery Mate's technology is electronic and includes mosfets (transistors). Its components compensate for variations in voltage and ensure that charging continues at the right voltage level, even with several battery banks. The input side on the Battery Mate is connected to the alternator and/or battery charger, while two batteries are connected to the output side. The Battery Mate is easy to install on a DIN rail (industry standard).The Mastervolt Battery Mate can be used in any application even if the standard alternator need external excitation or voltage sensing. In this case the additional IG contact can be connected.

WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.

Specifications:

  • Continuous Amperage: 120
  • Box Dimensions: 4"H x 6"W x 10"L WT: 2.7 lbs
  • UPC: 816882021046

Quick Guide (pdf)
Owner's Manual (pdf)
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: 3562530168

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4.1 ★★★★★
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Rachel G.
West Palm Beach, US
★★★★★ 5
Gentle, refreshing, and doesn’t dry my skin out!
Size: 8 Fl Oz (Pack of 1)
It’s great for everyday use, especially if you have sensitive or dry skin. The texture is smooth, it rinses off easily, and the scent is light and pleasant. I’ve noticed my skin looks clearer and more even since I started using it. Definitely a great option if you want something simple, gentle, and effective for daily cleansing!
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Reviewed in the United States on March 18, 2026
F
Verified Purchase
Fantastic! Love them!
Phoenix, US
★★★★★ 5
Gentle, Balanced & reasonably priced! Worth it!
Size: 8 Fl Oz (Pack of 1)
I’d recommend this cleanser if you’re looking for a gentle, everyday face wash that balances hydration with cleansing.works well with my combination skin.
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Reviewed in the United States on March 3, 2026
M
Verified Purchase
MicPal
Belleville, US
★★★★★ 5
Gentle Fragrance free Non-greasy Gel Cleanser
Size: 8 Fl Oz (Pack of 1)
I bought this for my two teenage sons. I tend to lean towards more natural products. It's challenging to find affordable effective products that not loaded with all the additives and chemicals. While all the ingredients may not be completely "all natural" it is gentle and effective. My oldest has been using this for about 6 months and has had great results so far. He has already went through an entire bottle and asked for more. It does help keep his face well balanced and his break outs under control. It is a fragrance-free non greasy gel cleanser with a thin consistency. I got a good discount by purchasing two which is a great value for this product since it is already a decent price for what you get. My family also uses the Thayers witch hazel, milky cleanser, and milky toner and they are all great. We have some sensitive skin types in our family and Thayers does well with sensitive skin types including this Ph balancing cleanser.
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Reviewed in the United States on March 12, 2026
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RW
Battle Creek, US
★★★★★ 5
Soo good!
Size: 8 Fl Oz (Pack of 1)
Love this product! Im so greatful to have found this through Nina Pool (thank u Nina!) After trying multiple different face washes that left my sensitive skin feeling tight and irritated, im so glad to have tried this one. It's a gel like consistancy thats gentle, hydrating and leaves my face feeling softer and cleaner than any other product ive tried. Ive ordered this product many times. I hope they never discontinue this.
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Reviewed in the United States on December 31, 2025
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functioning_by_grace
Grantham, US
★★★★★ 5
Best Facewash
Size: 8 Fl Oz (Pack of 1)
Favorite face wash ever. No harsh smells or 'chemically' feel. Creates a nice bit of suds and leaves your skin feeling soft and really clean. Compared to other face washes, it is not too expensive for a great product.
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Reviewed in the United States on March 5, 2026

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