Is 48v nominal? Really more like 56v or more while charging 4 - 12v lead acid batteries in series?

Dear Addison,No. Please note that the working voltage of this switch is 12V-48V DC. Hope this will be helpful to your purchase.

Can you put two lines going out of the switch? I have two different bus bars and would like the on/off switch to turn both off at the same time.

No. Use a 1.2, both, off swihch. It is made to switch two batteries, but you can simply use it backwards to do what you want. https://www.amazon.com/Kohree-1-2-Both-Off-Disconnect-Vehicles-Waterproof/dp/B08MT19MS2/ref=sr_1_10?dchild=1&keywords=kohree+battery+switch&qid=1622817696&sr=8-10

Can you put the single on/off switch on two batteries in series? Just need to shut off both and turn back on both at the same time.

You could but don’t know why. If you want 12 v and you have two 6v batteries in series to make 12v then the two 6v can be cabled together all the time and the switch is used to disconnect both batteries at once.

Can you remove the red knob itself?

Dear Harri,No, it can’t be removed. The red knob is for On/Off control. Hope this information can be helpful to your purchase. If you have any question, please feel free to contact us through sending us Amazon messages.

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Kohree Master Switch Battery Disconnect Isolator Switch 12V-48V Battery Cut Off Switch, Master Switch Batterie, Master Power Cut-off Switch Kit, Car Battery Power Switch for Yacht Boat Truck Bus Car

Kohree Master Switch Battery Disconnect Isolator Switch 12V-48V Battery Cut Off Switch, Master Switch Batterie, Master Power Cut-off Switch Kit, Car Battery Power Switch for Yacht Boat Truck Bus Car

Product ID: 324405102

Details

Connector type
Screw In
Contact type
Momentary
Current rating
275 Amps
Operating voltage
48 Volts
Operation mode
ON-OFF

⚡Supports 12-48V systems

🔋275A continuous current rating

🔒Ignition-protected, secure cut-off

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Description

🔋 Master your power, cut the risk—stay switched on to safety and style!

POWER THAT PROTECTS - Cut off up to 275A continuous current to safeguard your vehicle’s battery with confidence.
NIGHT READY OPERATION - Clear On/Off color-coded labels and distinct gear sounds ensure flawless control even in the dark.
VERSATILE MOUNTING USE - Compact panel mount design fits effortlessly in any vehicle or marine setup—join thousands who trust Kohree.
CERTIFIED SAFETY ASSURANCE - CE-certified with insulated terminals and removable side plates to prevent shorts and electrical leaks.
UNIVERSAL VOLTAGE COMPATIBILITY - Seamlessly works across 12V to 48V systems—perfect for cars, trucks, boats, and RVs.

The Kohree Master Switch Battery Disconnect Isolator Switch is a robust, CE-certified power cut-off solution designed for 12-48V systems. Featuring a durable ABS housing, ignition-protected copper terminals, and a high continuous current rating of 275A, it ensures reliable battery isolation for vehicles, boats, and RVs. Its intuitive On/Off color-coded interface and secure panel mount make it an essential upgrade for professionals seeking safety, convenience, and peace of mind.

Specifications

ASIN	B07XTDSD4B
Actuator Type	Push Button
Best Sellers Rank	#125,959 in Automotive ( See Top 100 in Automotive ) #227 in Car Battery Switches
Brand Name	Kohree
Circuit Type	1-way
Color	Black or Grey
Connectivity Protocol	Bluetooth
Connector Type	Screw In
Contact Material	Copper
Contact Type	Momentary
Control Method	Touch
Controller Type	Mechanical knob
Current Rating	275 Amps
Customer Reviews	4.6 4.6 out of 5 stars (2,746)
International Protection Rating	IP54
Item Dimensions	7.2 x 7.2 x 10 centimeters
Item Weight	210 Grams
Manufacturer	Kohree
Material Type	Plastic
Model	HY1620
Mounting Type	Panel Mount
Number of Items	1
Number of Positions	1
Operating Voltage	48 Volts
Operation Mode	ON-OFF
Part Number	HY1620-HM
Specification Met	CE
Switch Type	Rotary Momentary
Terminal	Solder
UPC	632016500108
Unit Count	1.0 Count
Wattage	21840 watts

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19402 Ft

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In stock

Sold byAmazon HungaryDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Hungary.

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