Is there a bottom or back?

Yes the switch is fully enclosed except for the side you enter with the wire

These are listed as being rated for 275A continuous, but the manual this switch comes with says its only 200A continuous. Which is the correct rating?

Thank you for your purchase. The item you recieved is On-Off battery switch, and the pamphlet you recieved is 1-2-Both-Off battery switch, so sorry for the issue casued to you, the pamphlet may be mixed by our worker. Fot the item you purchased X001H8MQTX (On-Off battery switch), the continuous rating is : 275Amps DC. Also below are some tips for you to install the switch: The 2 terminals are same, no negative and positive. Just like a switch, connected to the switch on both sides so when you flip the switch it cuts the circuit. More, recommend to install this cut off switches on the negative, not the positive (lower current in negative, will be more safety). The switch can be install in the negative wire, another short battery cable or cut existing cable and attach terminals on each end. Hope the info can help you.

How far from battery can it be installed?

Mine is 2 feet from the battery, I don't think it matters. Your cable size will have to increase the further away from the battery that you install it.

If the switch is on off (red) is the battery not drawing or the disconnect is not engaged and battery still drawing? Over thinking I'm sure.

battery 1 to switch,battery 2 to load side if you are using battery 2 too power stuff. if switch is off then battery 2 will power your things and not draw from main battery 1. To charge battery 2 turn switch to on then turn off when its fully charged if that makes sense

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Ampper Battery Switch, 12-48 V Battery Power Cut Master Switch Disconnect Isolator for Car, Vehicle, RV and Boat (On/Off)

Ampper Battery Switch, 12-48 V Battery Power Cut Master Switch Disconnect Isolator for Car, Vehicle, RV and Boat (On/Off)

Product ID: 350093944

Details

Operation Mode
Off
Current Rating
275 Amps
Operating Voltage
48 Volts
Contact Type
Normally Open
Connector Type
Screw

⚡275A continuous current

🔋12-48V wide voltage range

🔒IP65 waterproof & dustproof

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$82.65

Duties & taxes included

In stock

Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔋 Master your power, master your ride — never get stranded again!

BUILT TO LAST - Heavy-duty ABS housing with IP65 rating ensures rugged durability and safety.
TOTAL BATTERY CONTROL - Eliminates power drain and isolates your battery with a simple On/Off push.
POWERHOUSE PERFORMANCE - Handles up to 275A continuous current for ultimate reliability.
EFFORTLESS INSTALLATION - Copper 3/8" terminal studs and screw connectors make setup a breeze.
UNIVERSAL COMPATIBILITY - Seamlessly fits 12-48V DC systems across cars, RVs, boats, and more.

The Ampper Battery Switch is a robust, heavy-duty isolator designed for 12-48V DC systems, delivering 275A continuous current capacity with IP65-rated protection. Its durable ABS housing and copper terminals ensure safe, easy installation and reliable battery disconnection for vehicles, RVs, and boats, preventing power drain and securing your electrical system.

Specifications

ASIN	B07413JWLD
Actuator Type	Push Button
Best Sellers Rank	#15,119 in Sports, Fitness & Outdoors ( See Top 100 in Sports, Fitness & Outdoors ) #14 in Electrical Equipment Battery Switches
Brand	Ampper
Brand Name	Ampper
Circuit Type	1-way
Colour	multicolor
Compatible Devices	Car, Vehicle, RV, Boat (DC 12-48V)
Compatible with Vehicle Type	Universal Fit (voltage at: DC 12 - 48V systems): Marine Boat, Ship, Yacht, RV, Truck
Connectivity Protocol	Wi-Fi
Connector Type	Screw
Contact Material	Copper
Contact Type	Normally Open
Control Method	Touch
Control Type	Manual
Controller Type	Push Button
Country of Origin	USA
Current Rating	275 Amps
Customer Reviews	4.6 out of 5 stars 8,307 Reviews
Global Trade Identification Number	00608613215417
International Protection Rating	IP65
Item Dimensions	7 x 9.5 x 7.5 Centimeters
Item Weight	9.34 Ounces
Manufacturer	Ampper
Material Type	Acrylonitrile Butadiene Styrene
Model Number	Am-CBS01
Mounting Type	Surface Mount
Number of Items	1
Number of Positions	2
Operating Voltage	48 Volts
Operation Mode	Off
Part Number	Am-CBS01
Specification Met	CE
Switch Type	Rotary
Terminal	Screw
UPC	608613215417
Unit Count	1.0 Count

Reviews

T**L

27.02.2025

I**N

13.04.2026

R**2

24.03.2026

R**S

30.01.2023

S**W

18.10.2025

Q**Y

12.04.2026

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