SKU: 87518386745

REDARC SMART START SBI 12V 100A

Sale price$96.75 Regular price$107.50
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Ships within 48 hours · Estimated delivery Jul 20 - Jul 25

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Description

REDARC SMART START SBI 12V 100AThe Smart Start SBI2 is a microprocessor controlled battery isolator used in dual battery systems as a solenoid priority system. It will protect the start battery from excessive discharge, whilst allowing the auxiliary battery to supply non essential loads. The SBI2 provides 12 volt DC incorporating 100A of continuous ratings. The battery isolator is primarily used in 4WD and commercial vehicles and incorporates electronic components that will prevent

The Smart Start® SBI2 is a microprocessor-controlled battery isolator used in dual battery systems as a solenoid priority system. It will protect the start battery from excessive discharge, whilst allowing the auxiliary battery to supply non-essential loads. The SBI2 provides 12 volt DC incorporating 100A of continuous ratings.

The battery isolator is primarily used in 4WD and commercial vehicles and incorporates electronic components that will prevent the solenoid from generating high voltage transients. It is better than a diode battery isolator due to the voltage drop associated with diode type isolation. It features a low standby current draw and sophisticated fault detection and LED indication of operation to warn the user of faults including over-voltage, voltage drop and excessive current draw conditions.

The Smart Start SBI12 battery isolator is a safe way to charge a dual battery system.

Features

  • Overmould design
  • Compact in size and easy to install
  • Silver contacts for longer life and suitable for marine applications
  • Power saving technology
  • Fault indication
  • Fully surge protected
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: 87518386745

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4.0 ★★★★★
Based on 23 reviews
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Nick K.
San Leandro, US
★★★★★ 5
sizing runs a bit big but very comfortable, i love these and ordered multiple colors
Size: X-Small, Color: Black
Initially, i ordered a small and an X small based on reviews here. Glad i did. I opened the x-small first and it fit perfectly. Returned the other one unopened. Sleeves fit my arms well. Collar stands up well. Shirt has sufficient length to tuck in too. Not super long though if you want to untuck with jeans. I'm 5'6 140#. I lift weights regularly and run. I'm right at 11.8-12.0% body fat. I typically wear a small in the amazon essentials slim fit t shirt. Those fit really well in size S. Check them out too if you have not yet. These polos XS fits equally well for my body type.
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Reviewed in the United States on March 27, 2026
C
Verified Purchase
Clarice
Houston, US
★★★★★ 4
Great Shirt - Fits big and isn’t slim IMO
Size: X-Small, Color: Black, Size: X-Small, Color: Black
5’10, 155lbs, size X-Small. Soft material, very comfortable, light weight and breathable. Sizing is way off. This shirt is huge considering my size, shirt size, and slim fit.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 16, 2026
M
Verified Purchase
moi
Lexington, US
★★★★★ 5
Lightweight and soft
Size: Large, Color: Bright Blue
True to size and very comfortable. Lightweight and the color is just as the picture. They was well and don’t wrinkle easily. We dry them on low heat to avoid shrinkage and so far they have been just fine.
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Reviewed in the United States on June 6, 2026
B
Verified Purchase
Bakir
Natrona Heights, US
★★★★★ 5
Great Slim-Fit Polo That Keeps You Cool on the Course
Size: Medium, Color: Dark Green, Size: Medium, Color: Dark Green
I picked up this Amazon Essentials Slim-Fit Golf Polo recently, and it’s quickly become one of my favorite golf shirts. The quick-dry fabric really works — even on hot, sunny days, I stay comfortable and dry without feeling sticky. The slim fit is flattering without being too tight, and there’s enough stretch to move freely during my swing. It’s lightweight but still feels durable, and the collar keeps its shape after multiple wears and washes. For the price, it’s hard to beat a polo that looks good, feels great, and performs well on the course. Definitely recommend if you want something simple and functional.
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Reviewed in the United States on June 12, 2025
A
Verified Purchase
AA
New York, US
★★★★★ 3
No well made, nice and comfortable but falling apart
Size: Large, Color: Red
Threads around sleeves and waist already coming out.
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Reviewed in the United States on May 22, 2026

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