---
product_id: 309322977
title: "1-2-Both-Off Battery Switch, 12V-48V Battery Disconnect Master Cutoff Switch for Marine Boat Car RV ATV UTV Vehicle, Waterproof Heavy Duty Battery Isolator Switch, 2 Years Warranty (90108A)"
brand: "nilight"
price: "C$2848"
currency: NIO
in_stock: true
reviews_count: 6
category: "Nilight"
url: https://www.desertcart.ni/products/309322977-1-2-both-off-battery-switch-12v-48v-battery-disconnect
store_origin: NI
region: Nicaragua
---

# Waterproof & marine-grade 200A continuous current 4-position secure switch 1-2-Both-Off Battery Switch, 12V-48V Battery Disconnect Master Cutoff Switch for Marine Boat Car RV ATV UTV Vehicle, Waterproof Heavy Duty Battery Isolator Switch, 2 Years Warranty (90108A)

**Brand:** nilight
**Price:** C$2848
**Availability:** ✅ In Stock

## Summary

> 🔋 Take control of your power like a pro—switch smart, stay charged!

## Quick Answers

- **What is this?** 1-2-Both-Off Battery Switch, 12V-48V Battery Disconnect Master Cutoff Switch for Marine Boat Car RV ATV UTV Vehicle, Waterproof Heavy Duty Battery Isolator Switch, 2 Years Warranty (90108A) by nilight
- **How much does it cost?** C$2848 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ni](https://www.desertcart.ni/products/309322977-1-2-both-off-battery-switch-12v-48v-battery-disconnect)

## Best For

- nilight enthusiasts

## Why This Product

- Trusted nilight brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Safety First, Always:** Rear insulated cover and copper terminals prevent shorts and protect your investment.
- • **Power Control Mastery:** Seamlessly toggle between 2 batteries or both with a simple 4-position switch—never get stranded again.
- • **Effortless Installation:** Includes stainless mounting hardware and compact design for quick, secure setup—get powered up in no time.
- • **Universal Compatibility:** Works flawlessly with 12-48V systems across cars, boats, RVs, ATVs, and more—one switch to rule them all.
- • **Built to Brave the Elements:** Durable ABS housing and waterproof design ensure reliable performance on land or sea.

## Overview

The Nilight 1-2-Both-Off Battery Switch is a heavy-duty, waterproof battery isolator designed for 12-48V systems. It features a 4-position switch to manage two batteries independently or simultaneously, supports up to 200A continuous current, and includes insulated terminals for safety. Ideal for marine, automotive, and RV applications, it ensures battery preservation and easy power management with durable ABS housing and stainless mounting hardware.

## Description

Nilight 12 - 48VDC 1-2-Both-Off battery disconnect switch cars, marine boats, RVs, campers, travel trailers, trucks, ATVs, UTVs, battery banks and other devices.Specifications:1, Design for 2 batteries, can switch to battery 1 / battery 2 separately or both on and off.Eliminate any power from the battery when vehicle or boat is not in use, disconnects the battery safely.Avoid battery drain off.2, ABS plastic housing, durable made for safety use.3, Rear cover insulates terminals against any short of circuits.4, 1-2-Both-Off 4 positions.5, Copper terminal studs with nuts and washers.6, 4 mounting screw holes.7, 200A continuous at 12VDC, 300A intermittent at 12VDC, 1000A momentary at 12VDC.8, Can stand alone or be locked together with other switch.9. Universal used for Car, Vehicle, RV and Boat.10, Size: 2.68" x 2.68" x 3.07".All battery kits includes:1 x battery switch.

Review: ممتاز
Review: Not only allows for the primary and secondary battery to be ganged together in parallel during the use of a large inverter with the engine running, it also allows the secondary battery to start the vehicle with the primary battery disconnected. Nicely manufactured, easy to install. Comes with stainless mounting hardware.

## Features

- Heavy Duty: ABS plastic housing, durable made for safety use, rear cover insulates terminals against any short of circuits. Design for 2 batteries vehicles, can switch battery 1 / battery 2 separately or both on and off.
- Purpose: eliminate any power from the battery when vehicle or boat is not in use, disconnects the battery safely.Avoid battery drain off.
- Operation: 1-2-Both-Off,4 positions, 200A continuous at 12VDC, 300A intermittent at 12VDC, 1000A momentary at 12VDC.
- Compatible: used for 12 - 48VDC systems to isolate and secure the electrical system, can stand alone or be locked together with other switch.Widely used for cars, marine boats, RVs, campers, travel trailers, trucks, ATVs, UTVs, battery banks and other devices.
- Package include:1x battery switch,4 bolts&screws incuded.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0896ZTZLH |
| Best Sellers Rank | #30,137 in Automotive ( See Top 100 in Automotive ) #74 in Car Battery Switches |
| Item model number | 90108A |
| Manufacturer | Nilight |
| Product Dimensions | 0.76 x 0.76 x 0.76 cm; 0.28 g |

## Product Details

- **Connector type:** Screw
- **Contact type:** Normally Closed
- **Current rating:** 275 Amps
- **Operating voltage:** 12 Volts
- **Operation mode:** 1-2-Both-Off

## Images

![1-2-Both-Off Battery Switch, 12V-48V Battery Disconnect Master Cutoff Switch for Marine Boat Car RV ATV UTV Vehicle, Waterproof Heavy Duty Battery Isolator Switch, 2 Years Warranty (90108A) - Image 1](https://m.media-amazon.com/images/I/71BqOQJ6b3L.jpg)

## Available Options

This product comes in different **Size** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by خ***ي on 7 June 2020*

ممتاز

### ⭐⭐⭐⭐⭐ Review
*by L***N on 28 June 2021*

Not only allows for the primary and secondary battery to be ganged together in parallel during the use of a large inverter with the engine running, it also allows the secondary battery to start the vehicle with the primary battery disconnected. Nicely manufactured, easy to install. Comes with stainless mounting hardware.

### ⭐⭐⭐⭐⭐ Review
*by R***H on 16 July 2025*

Vendedor cumplido, buena calidad

## Frequently Bought Together

- Nilight 1-2-Both-Off Battery Switch, 12V-48V Disconnect Master Cutoff Switches for Marine Boat Car RV ATV UTV Vehicle, Waterproof Heavy Duty Isolator
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**Shop now:** [https://www.desertcart.ni/products/309322977-1-2-both-off-battery-switch-12v-48v-battery-disconnect](https://www.desertcart.ni/products/309322977-1-2-both-off-battery-switch-12v-48v-battery-disconnect)

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*Product available on Desertcart Nicaragua*
*Store origin: NI*
*Last updated: 2026-02-22*