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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Battery Disconnect Switch 12V, 12V-48V Battery Shut Off Isolator

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 protection

🔋275A continuous current rating

🔧4 mounting bolts for secure installation

S$31

Duties & taxes included

In stock

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Description

🔋 Cut the power, not the adventure – stay charged, stay safe!

SAFETY FIRST - CE certified with insulated terminals and removable side plates to prevent shorts and electrical leaks.
EFFORTLESS CONTROL - Clear On/Off rotary switch with color-coded labels for intuitive, night-friendly operation.
WEATHERPROOF WARRIOR - IP54 waterproof rating ensures flawless operation even in marine and outdoor environments.
POWERHOUSE PERFORMANCE - Handles up to 275A continuous and 1250A momentary current for ultimate reliability.
UNIVERSAL COMPATIBILITY - Seamlessly fits 12V to 48V systems across RVs, ATVs, boats, trucks, and more.

The Kohree Battery Disconnect Switch is a rugged, waterproof rotary isolator designed for 12V-48V systems, delivering up to 275A continuous current and 1250A momentary surge. Featuring a clear On/Off interface with color-coded labels, it ensures easy, safe battery management across RVs, ATVs, marine vessels, and trucks. With CE certification, IP54 protection, and secure mounting hardware, it’s engineered to prevent electrical leakage and short circuits, making it the go-to switch for professionals who demand reliability and peace of mind on every journey.

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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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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TrustScore 4.5 | 7,300+ reviews

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The MOLLE sheath is of exceptional quality. Very happy with my purchase.

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