9 Best ampper battery switch 12s 48 of 2026

Save up to 21% off

Best Choice

1

Ampper

Ampper Battery Disconnect Switch with Voltmeter, 12-48V Battery Cut Off ON/Off Shut Off Switch for Car, RV and More (Top Post Negative)
9.7

Exceptional

Our Rating
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Value for Money

2

Ampper

Ampper Battery Disconnect Switch 12V - 48V, Master Battery Switch Disconnect Power Cut Shut Off for Car, RV and Boat (200A, On/Off Kit)
9.4

Excellent

Our Rating
3

Ampper
Ampper Battery Disconnect Switch 12V - 48V, Marine Battery Switch Disconnect Power Cut Shut Off for Car, Vehicle, RV and Boat (On/Off)
Main highlights

Key Features
Durable ABS housing, 275A continuous/1250A momentary at DC 12V, easy installation. Ensures safety and power efficiency.

Ideal Use Cases
Perfect for cars, RVs, boats, and electrical equipment needing battery isolation to prevent power drain when not in use.

Customer Reviews
Highly praised for its robust construction and reliable performance in disconnecting battery power safely and efficiently.
9.2

Excellent

Our Rating

9.5
lasts a long time

9.5
worth the money

9.5
Simple to use
4

Ampper
Ampper Top Post Battery Disconnect Switch 12V - 48V, Marine Battery Switch Disconnect Power Cut Shut Off for Car, RV and Boat (Negative, On/Off)
Main highlights

Direct Fit and Easy Installation
Connects directly to the top post battery negative, requiring no additional cables or lugs.

Ideal for Vehicles and Boats
Perfect for cars, RVs, and boats to prevent battery drain when not in use.

Highly Praised for Reliability
Customers appreciate its ability to securely disconnect power and prevent parasitic battery drain.
Key specs
- Material:ABS plastic housing
- Rated Current:275 A continuous
- Mounting Type:Top post battery negative
- Instantaneous Current:1250 A momentary
- Rated Voltage:DC 12 - 48 V
8.9

Very Good

Our Rating
5

Ampper
Ampper Side Post Battery Disconnect Switch 12V - 48V, Marine Battery Switch Disconnect Power Cut Shut Off for Car, RV and Boat (On/Off)
Main highlights

Direct Fit Convenience
Eliminates need for additional cables or modifications, ensuring easy installation.

Versatile Use Cases
Perfect for cars, RVs, boats, and electrical equipment, enhancing system security.

Customer Praised Durability
ABS plastic housing praised for safety and long-lasting performance.
Key specs
- Material:ABS plastic housing
- Rated Current:275 Amps
- Mounting Type:Through Hole
- Instantaneous Current:1250 A momentary
- Rated Voltage:12 - 48 V
8.7

Very Good

Our Rating
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6

Ampper
Ampper Side Post Battery Disconnect Switch 12V - 48V, Marine Battery Switch Disconnect Power Cut Shut Off for Car, RV and Boat (On/Off)
Main highlights

Direct Fit Convenience
Eliminates need for additional cables or modifications, ensuring easy installation.

Versatile Use Cases
Perfect for cars, RVs, boats, and electrical equipment, enhancing system security.

Customer Praised Durability
ABS plastic housing praised for safety and long-lasting performance.
Key specs
- Material:ABS plastic housing
- Rated Current:275 Amps
- Mounting Type:Through Hole
- Instantaneous Current:1250 A momentary
- Rated Voltage:12 - 48 V
8.5

Good

Our Rating
7

Ampper
Ampper Battery Disconnect Switch 12V - 48V, Marine Battery Switch Disconnect Power Cut Shut Off with Lugs for Car, RV and Boat (On/Off Kit)
Main highlights

Key Features
Heavy-duty ABS housing, 275 A continuous/1250 A momentary at DC 12V, with 4 sets of bolts and heat shrink tubing for secure installation.

Ideal Use Cases
Perfect for disconnecting battery in cars, RVs, and boats to prevent power drain, and for securing electrical systems in DC 12 - 48 V setups.

Customer Praise
Most reviews highlight its easy installation and effectiveness in preventing battery drain, appreciating the durable construction and comprehensive accessory kit.
Key specs
- Material:ABS plastic housing
- Rated Current:275 A continuous
- Mounting Type:Universal
- Instantaneous Current:1250 A momentary
- Rated Voltage:DC 12V
8.4

Good

Our Rating

9.5
lasts a long time

9.5
worth the money

9.5
Simple to use
8

Ampper
Ampper Battery Disconnect Switch 12V - 48V, Master Battery Switch Disconnect Power Cut Shut Off for Car, RV and Boat (200A, On/Off)
Main highlights

Key Features
Heavy-duty aluminum housing, 200A continuous/400A momentary at DC 12V, easy to install, for safe electrical system isolation.

Ideal Use Cases
Perfect for cars, RVs, boats, and electrical equipment needing battery disconnect to prevent power drain when not in use.

Customer Praise
Highly praised for its durable build and reliable performance in safely disconnecting batteries, ensuring peace of mind for users.
8.3

Good

Our Rating

9.9
Durability

9.9
Simple to use

9.1
Easy installation
9

Ampper

Ampper Panel Mounted Battery Switch 12V - 48V, Marine Battery Disconnect Switch Power Cut Off for Car, Vehicle, RV, Boat and More (1-2-Both-Off)

21% Off
8.0

Good

Our Rating

9 Best ampper battery switch 12s 48 of 2026

1

Ampper Battery Disconnect Switch with Voltmeter, 12-48V Battery Cut Off ON/Off Shut Off Switch for Car, RV and More (Top Post Negative)

How do we rank?

How do we rank?

Analyzing top stores

2

Ampper Battery Disconnect Switch 12V - 48V, Master Battery Switch Disconnect Power Cut Shut Off for Car, RV and Boat (200A, On/Off Kit)

3

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

9.5

9.5

9.5

4

Ampper Top Post Battery Disconnect Switch 12V - 48V, Marine Battery Switch Disconnect Power Cut Shut Off for Car, RV and Boat (Negative, On/Off)

5

Ampper Side Post Battery Disconnect Switch 12V - 48V, Marine Battery Switch Disconnect Power Cut Shut Off for Car, RV and Boat (On/Off)

6

Ampper Side Post Battery Disconnect Switch 12V - 48V, Marine Battery Switch Disconnect Power Cut Shut Off for Car, RV and Boat (On/Off)

7

Ampper Battery Disconnect Switch 12V - 48V, Marine Battery Switch Disconnect Power Cut Shut Off with Lugs for Car, RV and Boat (On/Off Kit)

9.5

9.5

9.5

8

Ampper Battery Disconnect Switch 12V - 48V, Master Battery Switch Disconnect Power Cut Shut Off for Car, RV and Boat (200A, On/Off)

9.9

9.9

9.1

9

Ampper Panel Mounted Battery Switch 12V - 48V, Marine Battery Disconnect Switch Power Cut Off for Car, Vehicle, RV, Boat and More (1-2-Both-Off)

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