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![ProMariner ProIsoCharge Battery Isolator 120Amp 1-Alt 2-Bat - 12V [23121]](https://cdn.shopify.com/s/files/1/0629/5797/7856/products/41450XL.jpg?v=1644938362 "ProMariner ProIsoCharge Battery Isolator 120Amp 1-Alt 2-Bat - 12V [23121]")
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Ships within 48 hours · Estimated delivery Jun 13 - Jun 18
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Description
ProMariner ProIsoCharge Battery Isolator 120Amp 1-Alt 2-Bat - 12V [23121]ProIsoCharge Series ModelProIsoCharge120 12 Part No. 23121 System Volts DC 12 Max DC Amps 120 Amp Alternator Input1 Battery Outputs 2 Size 5. 35"(l) x 5. 875"(w) x 3. 125"(h) Weight2 lbs Significantly Smarter ProIsoCharge delivers digitally controlled alternator output distribution while protecting the health of engine start batteries. An industry changing design that provides intelligent and zero voltage loss isolation, charging of up to 3 other
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- Free Standard Shipping on $100+ Orders to the USA.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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Best in 7 days
4.2 ★★★★★
Based on 821 reviews
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Product Reviews
★★★★★ 5
It has it all
It's exactly what it advertises and does everything I need it to. Enough space to fit my phone, readers, car keys, AirPods, wallet, and a little extra space for a small candle. I only wish the slot for the charging cable was a bit smaller sometimes the charging cable will slide out since there is nothing to catch it or secure it in place.
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Reviewed in the United States on July 30, 2024
★★★★★ 5
Good
Very good quality
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Reviewed in the United States on October 13, 2025
★★★★★ 5
Convenient
I bought this long ago and it works well in the kitchen cabinet for organizing my spices that don't fit on the designated shelf. It makes it so much easier to find things and easier to pull them out when needed for cleaning/straightening. I have more of these, in various sizes, to help organize drawers.
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Reviewed in the United States on January 25, 2026
★★★★★ 5
Great drawer organizer product
Perfect fit for my desk drawer. Helped to tidy up and contain most of my gadgets and keep them close at hand. Love being able to find things when I need them. Very strong and durable.
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Reviewed in the United States on March 5, 2021
★★★★★ 5
Made well and great for Desk items
Works well in the desk drawer
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Reviewed in the United States on February 2, 2026
