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Ampper Battery Switch, 12-48 V Battery Power Cut Master Switch Disconnect Isolator for Car, Vehicle, RV and Boat (On/Off)

Free shipping on orders over $31.42

$11.72

$ 6 .03 $6.03

In Stock

1.Size:Battery Switch


2.:On-off


About this item

  • Heavy Duty: ABS plastic housing, durable made for safety use, rear cover insulates terminals against any short of circuits, equiped with 4 sets of bolts.
  • Specification: On/Off 2 positions, 275 A continuous at DC 12V, 455 A intermittent at DC 12V, 1250 A momentary at DC 12V.
  • Compatible: used for DC 12 - 48 V systems to isolate and secure the electrical system, can stand alone or be locked together with other switch.
  • Purpose: eliminate any power draw from the battery when vehicle or boat is not in use, disconnects the battery safely.
  • Copper terminal stud size: 3/8" (10 mm) x 2, very easy to install, universal used for car, vehicle, Rv and boat, also electrical equipment's switch.


Ampper battery switch, battery power master switch disconnect isolator for car, vehicle, Rv and boat.
Specifications:
1, ABS plastic housing, durable made for safety use.
2, Rear cover insulates terminals against any short of circuits.
3, On/Off 2 positions.
4, Copper terminal studs with nuts and washers.
5, 4 mounting screw holes.
6, 275 A continuous at DC 12V, 455 A Intermittent at DC 12V, 1250 A momentary at DC 12V.
7, Used for DC 12 - 48V systems to isolate and secure the electrical system.
8, Can stand alone or be locked together with other switch.
9, Eliminate any power draw from the battery when vehicle or boat is not in use.
10, Disconnects the battery safely.
11, Universal used for Car, Vehicle, RV and Boat.
12, Used as electrical equipment's switch.
13, Size: 2.68" x 2.68" x 3.07".
Complete kits includes:
1 x battery switch.
4 sets of mounting bolts.
100% Satisfaction.
No reason for return or change.
Order it now!


Shawn H.
Reviewed in Canada on March 15, 2025
Perfect solution for my RV
Matt
Reviewed in the United States on September 28, 2024
Works great and cheap
Andrew Renton
Reviewed in Canada on September 11, 2024
Arrived quickly, as described. Cost on Amazon was far cheaper than for same option at local RV and marine supply stores. Installed easily and works great!
dragonlord
Reviewed in the United States on July 14, 2024
This switch has proven to be an excellent addition to my DIY projects for my custom power bank. This 12-48 V battery power cut master switch is incredibly reliable and ensures a secure disconnect when needed. The on/off functionality is straightforward and easy to operate, providing peace of mind when isolating the battery for maintenance or safety reasons.One of the standout features is its robust construction. The switch feels solid and durable, capable of withstanding harsh conditions whether installed in a vehicle, RV, or boat. The installation process was simple and intuitive, with clear instructions that made it easy to get everything set up quickly.The only minor downside is that it could benefit from slightly larger terminal posts for easier connection with heavier gauge wires. However, this is a small issue compared to the overall effectiveness and reliability of the switch.I believe this switch is a highly recommended product for any DIYer looking to safely manage their vehicle or RV's battery connections. Its ease of use, solid build, and dependable performance make it a must-have for ensuring battery safety and maintenance.
Christian S.
Reviewed in Germany on June 7, 2024
Der Schalter an sich ist gut verarbeitet. Nach etwas mehr als einem Jahr hat der Schalter von jetzt auf gleich Übergangsprobleme wodurch die Solaranlage sich abgeschaltet hat.
Domenic
Reviewed in Canada on June 20, 2024
Needed a simple battery disconnect switch for my 30' trailer. Was easy to setup and install and works fine. Would recommend.
Shawn W
Reviewed in Canada on November 19, 2024
Overall nice pieceOverall this was a quality piece with one issue - the enclosure bolts are too long and stick out the bottom of the mount - this requires you to make 1/4" deep holes in your mounted surface for them to clear, which may not be possible for some. With such a fine thread you'd have a heck of a time trying to shorten these bolts. The receiving nylon lock nuts are nice, but they fit in their position very loosely, so you have to find a way to balance 4 of them in the mount plate while trying to mount it while hoping none of them fall out - prepare to drop some and make several attempts. Not sure why they didn't just make the hole in the plastic mount smaller for a nice friction fit.The instructions/specs sheet that comes with the product says it's rated for 600Amps continuous, yet the listing says 300A. Not sure why the discrepancy, but I've only tested it to 200Amps and the heat created seemed reasonable but it's getting up there. Not sure if it could do 600 without melting down, but....
Brian
Reviewed in Canada on October 22, 2024
Installed it to my side by side … parking it over the winter months , no worries if someone trying to start it up …
HillbillySteve
Reviewed in Canada on October 21, 2024
I’m using these for a solar disconnect but I suppose there are lots of uses. Shipped fast and pretty solid build on these for the price range. Decent budget disconnect/lockout. Peace
Kindleユーザー
Reviewed in Japan on October 12, 2024
こちらは中国からの発送で少し時間がかかりますが、とても良い商品でした。悲しいことですが、Amazonジャパンよりも中国の方が良いです。
Roger Hawkes
Reviewed in the United Kingdom on January 30, 2023
Easy to install and works great,you need a lug with a size 10mm ringRecommend
Mark
Reviewed in Canada on September 15, 2021
I bought this to prevent small current drains from killing the battery on my 25ft travel trailer while it was in storage. Much easier than disconnecting a battery lead each time!The switch is a good, heavy duty design. I wanted to mount it so that I could shut off the battery power from the outside of the battery box. I didn't know if the supplied mounting screws would be long enough. Happily they are. I have a group 27 battery box with a group 24 battery. There was easily enough room to fit the switch inside the box and still fit the battery. The switch fit perfectly through a 2" hole and the supplied screws were long enough to secure it. I used 4 stainless steel washers from the local hardware store to complete the installation. A bead of silicon secured the back cover of the switch to make a nice, waterproof installation.One safety note. If using this on a trailer, it should be in the "off" position ONLY when the trailer is being stored! If you attempt to tow the trailer with it "off" position, two bad things can happen:1. Your tow vehicle can't charge your trailer battery.2. In the event of a trailer separation, the trailer brakes will not come on.
Sue
Reviewed in Canada on October 27, 2020
Arrived quickly. Installed on side of the single plastic Battery Box (using negative wire). Install was fairly easy, biggest time was lining up drilling the holes into the plastic box. I also removed the battery from the box so it would be easier to put in the screws and tighten the provided nuts properly. Easy to attach the negative wire . You will need to purchase another cable to run from the cutoff switch the the actual battery. Had no issues, worked first time. Great to have this for storage purposes and just in general so you can entirely shut off the electrical and avoid battery drain. Remember to turn on when hooked up and traveling, otherwise trailer lights, electric brakes, and charging the battery while driving will not take place.
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