Nellis Auction Logo
Explore Products

250 AMP Dual Battery Smart Isolator Universal 12V/24V Voltage Sensitive Relay Intelligent Dual Battery Isolator for Car, Truck, ATV, Battery Starter Controller Heavy Duty Power Switch Charge Relay

Photo 1 of 250 AMP Dual Battery Smart Isolator Universal 12V/24V Voltage Sensitive Relay Intelligent Dual Battery Isolator for Car, Truck, ATV, Battery Starter Controller Heavy Duty Power Switch Charge Relay
1/1

Time Left

15 hours

CURRENT PRICE

-

Item Details

Pickup Location

4031 Market Center Dr Suite 303

North Las Vegas, NV, 89030

Quality

New
Functional
No Damage
No Assembly Needed
In Package
No Missing Parts

Auction closes

September 17, 2025 at 2:04 AM

brand

MaySpare

Estimated Retail Price

$81.99

color

BLACK

size

250Amp

Buyers Premium

15%

Inventory Number

1052097800

Features

  • Voltage: High current 250 Amp/ Continue Current: 250A normally open/ Universal application 12V/24V, LCD display voltage of two batteries
  • Automatically Connection Voltage (Delay 5 seconds) : 13.5V-16V(12V working voltage);27V-32V(24V working voltage)/ Automatically Disconnect Voltage (Delay 5 seconds) : 12.5V,disconnect immediately if it is below 12.5 V
  • Function: 250Amp battery isolator is a primary battery saver, which used to combine two batteries when an alternator is charging (engine running) and isolate them when not charging (engine off) so you can still start your vehicle.
  • Designed with Small Size, Can Fit Anywhere!/ Wide Use on a variety of vehicles--12V/24V Trucks, ATVs, UTVs, Boats, RVs, Vans, Off-road Vehicle, Caravan & Camping Applications.
  • Easy to install, Just power wire in, power wire out. No Need to discharge your vehicle's original battery by trying your new equipment off-road

Online Reviews

4.3/5

Based on 68 ratings

This score is based on 68 recent reviews from online retailers.

Be sure to check our Quality Rating and Notes above for more details on this listing.

Video Tutorials page screenshot

Getting Started

Learn more about bidding, winning, pickup, and more on our video tutorials page.

Visit Video Tutorials