








🔋 Cut the power, not the adventure – master your energy flow with Nilight!
The Nilight Battery Disconnect Switch is a heavy-duty, waterproof master isolator designed for 12V-48V DC systems, delivering a continuous 50A current rating with a rugged ABS and copper build. Ideal for marine, automotive, and outdoor applications, it prevents battery drain and enhances safety with a lockable On-Off mechanism, backed by a 2-year warranty.
















| ASIN | B0CR5CB7QB |
| Actuator Type | Hinge Lever |
| Best Sellers Rank | #309 in Automotive ( See Top 100 in Automotive ) #1 in Automotive Replacement Battery Switches |
| Brand Name | Nilight |
| Circuit Type | 1-way |
| Color | On-Off Switch 50A |
| Connectivity Protocol | X-10 |
| Connector Type | Plug In |
| Contact Material | Copper |
| Contact Type | Normally Open |
| Control Method | Touch |
| Current Rating | 50 Amps |
| Customer Reviews | 3.4 3.4 out of 5 stars (73) |
| EU Spare Part Availability Duration | 2 Years |
| Included Components | 50A Battery Disconnect Switch with a wiring diagram |
| International Protection Rating | IP65 |
| Item Dimensions | 1 x 1 x 1 inches |
| Lower Temperature Rating | 1 Degrees Celsius |
| Manufacturer | Nilight |
| Material Type | Copper, Plastic |
| Model | 90327A |
| Mounting Type | Panel Mount |
| Number of Items | 1 |
| Number of Positions | 1 |
| Operating Voltage | 12 Volts (DC) |
| Operation Mode | ON-OFF |
| Specification Met | 1 |
| Switch Type | Kill Switch |
| Terminal | Screw |
| UPC | 840323914260 |
| Unit Count | 1.0 Count |
| Upper Temperature Rating | 1 Degrees Celsius |
| Wattage | 600 watts |
G**F
Great power supply shutoff
Exactly how I expected it to be. Used this as a battery shutoff for a lithium battery power supply I made for camping. Good quality piece.
S**E
Total Garbage - both switches do not work in ON position - no continuity
Ordered two switches and both do not work - no continuity in ON position. What were the chances of two not working with same issue? I came here as an afterthought to check how others were faring and realized that this seems to be a common problem. Now I have a hold in my trolling motor battery box with no switch! Read this review and then stay away from the 30A On-OFF switch by this company. Returning.
C**T
Not good
Did not work, cheap made
D**A
Don't do it. Bought 2. Both no good.
Zero stars but I can't give zero and leave a comment. Don't buy. I purchased two and both received power on one side but wouldn't turn the power on. Past reviews speak of issues with bad connections in the device. I believe that's the issue. One of them actually had part of the switch just fall off. Zero stars. When you buy two and neither work...it feels cheap....and falls apart, big zero. They feel really cheap. I would not trust them. I made a mistake...spend the money and get something safe, from a reputable company that works. Just because a lot are sold and comments are predominantly positive...you may not be getting the full picture.
A**R
Internal contact obstructed by piece of housing plastic
I bought 2 of these because I previously bought their larger external mount 200amp switch and it works flawlessly. Neither of these would work. I disassembled both and found both to have the same defect. A small piece of plastic was on the top edge of one of the contacts. The plastic piece was a part of the housing left during molding. I used a razor knife and cut it off allowing the switch to make contact. It’s a great switch now.
S**N
Great. Switch
These are great quiality product
T**.
IP54
IP54 rating (splash proof, not water proof)
B**R
Best Purchase
I mounted this on a switch panel so I can have a master on/off switch for my battery and it's perfect. If you have a four panel (or however many) switch with the 12 volt (cigarette lighter), just unscrew that and put this in that spot and you are golden. Super easy!
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