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 Battery Disconnect Switch 12V, 12V-48V Battery Shut Off Kill Isolator- Waterproof Marine Cut Off Switch for RV, ATV, Car, Marine, Boat, with 4 Mounting Bolts, 275 Amps, On/Off

Kohree Battery Disconnect Switch 12V, 12V-48V Battery Shut Off Kill Isolator- Waterproof Marine Cut Off Switch for RV, ATV, Car, Marine, Boat, with 4 Mounting Bolts, 275 Amps, On/Off

Product ID: 170846217

Details

Brand
Kohree
Connector Type
Screw in
Contact Type
Normally Open
Current Rating
455 Amps
Item dimensions L x W x H
2.83 x 2.83 x
Material
Acrylonitrile

🌊Waterproof IP54 rating

🔋275A continuous power

🔧4 mounting bolts for secure install

113.13 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔋 Cut the power, not your adventure — stay charged, stay ready!

UNIVERSAL COMPATIBILITY - Works seamlessly with 12V to 48V systems across RVs, ATVs, boats, and more.
SAFETY MEETS CONVENIENCE - CE certified with insulated terminals and removable side plates to prevent shorts and battery drain.
BUILT TO BRAVE THE ELEMENTS - IP54 waterproof design ensures reliable performance in marine and outdoor environments.
EFFORTLESS OPERATION ANYTIME - Clear ON/OFF color-coded rotary switch for intuitive, no-fuss battery isolation.
POWER UP OR SHUT DOWN WITH CONFIDENCE - Handles up to 275A continuous and 1250A momentary current for robust battery control.

The Kohree Battery Disconnect Switch is a rugged, waterproof rotary isolator designed for 12V to 48V systems, supporting up to 275A continuous current. Featuring a clear ON/OFF interface, CE certification, and secure mounting hardware, it’s ideal for RVs, boats, ATVs, and solar setups to prevent battery drain and ensure safe power management.

Specifications

ASIN	B07XTDSD4B
Actuator Type	Rotary
Best Sellers Rank	#52,240 in Automotive ( See Top 100 in Automotive ) #101 in Automotive Replacement Battery Switches
Brand Name	Kohree
Circuit Type	2-way
Color	on/off
Compatible Devices	RV, ATV, car, marine boat, camper, travel trailer, truck, UTV
Compatible with Vehicle Type	RV, ATV, Car, Marine Boat, Camper, Travel Trailer, Truck, UTV
Connectivity Protocol	Bluetooth
Connector Type	Screw in
Contact Material	Brass
Contact Type	Normally Open
Control Method	Touch
Control Type	Basic
Controller Type	Mechanical knob
Current Rating	455 Amps
Customer Reviews	4.6 4.6 out of 5 stars (3,403)
International Protection Rating	IP54
Item Dimensions	2.83 x 2.83 x 3.94 inches
Item Weight	1.6 ounces
Manufacturer	Kohree
Material Type	Acrylonitrile Butadiene Styrene, Alloy Steel
Model	HY1620
Mounting Type	Plug-In Mount
Number of Items	1
Number of Positions	2
Operating Voltage	48 Volts
Operation Mode	ON-OFF-ON
Part Number	HY1620-HM
Specification Met	CE
Switch Type	Rotary
Terminal	Screw
UPC	632016500108
Unit Count	1.0 Count
Upper Temperature Rating	85 Degrees Celsius
Wattage	21840 watts

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113.13 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered 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 Tunisia.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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