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🔋 Cut the drain, keep the power — master your battery like a pro!
The Nilight 600A On/Off Battery Switch is a heavy-duty, ABS-encased master isolator designed for 12-48V DC systems. Rated for 600A continuous current and equipped with copper wire lugs, it safely disconnects your vehicle or marine battery to prevent power drain. Compatible with cars, RVs, boats, and more, it comes with a full installation kit and insulated terminals for maximum safety and durability.



















| ASIN | B0BD6N87M2 |
| Best Sellers Rank | #523 in Automotive ( See Top 100 in Automotive ) #1 in Automotive Replacement Battery Switches |
| Brand | Nilight |
| Brand Name | Nilight |
| Circuit Type | 2-way |
| Color | 1Pcs On-Off Switch 600A |
| Compatible Devices | Car, Marine Boat, RV, Camper, Travel Trailer, Truck, ATV, UTV, Battery Banks |
| Compatible with Vehicle Type | car, marine boat, RV, camper, travel trailer, truck, ATV, UTV |
| Connectivity Protocol | X-10 |
| Connector Type | Plug In |
| Contact Material | Gold |
| Contact Type | Normally Closed |
| Control Method | Touch |
| Control Type | on/off |
| Controller Type | Ring |
| Current Rating | 600 A |
| Customer Reviews | 4.5 out of 5 stars 294 Reviews |
| Global Trade Identification Number | 00812227038724 |
| Included Components | ON Off Battery Switch |
| International Protection Rating | IP65 |
| Item Dimensions | 4 x 4 x 3 inches |
| Lower Temperature Rating | 1 °C |
| Manufacturer | Nilight |
| Material Type | Acrylonitrile Butadiene Styrene |
| Model | 90205B |
| Mounting Type | Surface Mount |
| Number of Items | 1 |
| Number of Positions | 1 |
| Operating Voltage | 12 volts |
| Operation Mode | OFF-NONE-ON |
| Part Number | 90205B |
| Specification Met | CE |
| Switch Type | Kill Switch |
| Terminal | Screw |
| UPC | 812227038724 |
| Unit Count | 1 Count |
| Upper Temperature Rating | 1 °C |
| Wattage | 7200 watts |
A**R
Must have to keep your battery from draining
Extremely happy with this item. Installation was easy but does require a large crimper depending on your wire size. No more dead batteries it disconnects everything. Mounted easy to my battery box. Nice size knob easy to grab. So far has been extremely durable.
C**R
Great product.
Great product, I just ordered the wrong one. This switch is large and is of the same quality as the one I ultimately ended up needing from the same manufacturer.
R**R
On off switch
1/2 inch bolts for electrical connections. Seems to be well made
W**T
Heavy Duty
This is a heavy duty battery isolator. The studs inside of it are 1/2 inch diameter which are too large for most battery terminals. The typical auto or truck battery terminal is 5/16 or 3/8 inch diameter so beware what your terminal has before buying this unit. It is bulky and may not fit in a tightly packed engine compartment. For my purposes it works great so I give it five stars.
K**M
Works
Works good for what i needed
M**Y
Well built and wish I could have used it
I sent this back only because it was too large for where I need to install it. It was very well made and heavy duty so would have used it if it would have fit.
H**O
Lasts, doesn't burn out.
Used a 300 amp switch (theoretically the correct size) and it went back in a month or three. Replaced it with another 300 amp switch thinking it must have been defective. The second one only lasted a month. Replaced it with this 600 amp beast and it's still there a year and a half later. Done!
C**K
Quickly shuts down power
Nice product for ability to turn off battery power quickly. Seems well made and have used on tractor now for 3 yrs and no problems
F**O
De très bonne qualité
Selon mes attentes et de qualité supérieure
E**L
El producto no viene con las piezas que aparecen en la foto, sin tornillos, sin terminales.
O**R
Solid device
Solid well built switch. Used to isolate my winch from the battery
Trustpilot
1 month ago
2 weeks ago