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SUNMORN Battery Disconnect Switch, 12V Cut Off IP67 Waterproof Shut Off Switch, for Car, Truck, RV, Boat, Marine, Tractor, SUV, Off-Road, Prevent
KYD 21
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Say goodbye to jump-starts. By eliminating hidden power drains, our switch ensures your battery retains its charge for weeks or even months.
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What Stands Out
Product Details
- 【Prevents Battery Drain & Ensures Safety】 Battery Disconnect Switch 12V Effectively isolates your battery from the entire electrical system. Perfect for vehicles in long-term storage (e.g., classic cars, seasonal boats, RVs), this switch completely prevents parasitic battery drain, ensuring a full charge when you're ready to start. Also eliminates the risk of accidental short circuits during maintenance for ultimate safety.
- 【IP67 Waterproof & Corrosion Resistance】 Car Battery Disconnect Switch Built with an IP67-rated sealed enclosure, this switch is fully protected against dust, water immersion, and harsh weather conditions. The high-quality brass terminals offer excellent conductivity and superior corrosion resistance, making it ideal for marine, RV, and off-road applications.
- 【Universal Fit & Easy Installation】 Battery Switch Designed as a universal battery master switch for most 12V and 48V systems (cars, trucks, boats, tractors, etc.). Installation is straightforward – just connect the switch between the battery's negative terminal and the ground wire. No specialized tools or technical expertise required.
- 【Simple to use battery switch. Suitable for marine application】 Battery Cut Off Switch 12V Battery Kill Switch is necessary for modern vehicles with high parasitic drain that do not get driven or topped off often. If there aren't suitable solar panel or plug mounting positions this is the next best option because it's so easy to use. It functions just by fitting over normal battery posts and allowing you to re-clamp the main lug back on the post which passes through a switch.
| Control Method | Push Button |
| Compatible with Vehicle Type | Cars, Trucks, RVs, Boats, Tractors, SUVs, Off-Road Vehicles |
| Control Type | Full |
| Compatible Devices | Cars, Trucks, Boats, RVs, Tractors, etc. |
| Item Dimensions | 2 x 2 x 6 inches (5.1 x 5.1 x 15.2 cm) |
| Brand Name | SUNMORN |
| Model | SUNMORN8202020 |
| Manufacturer | SUNMORN |
| Part Number | SUNMORN8202020 |
| Brand | SUNMORN |
| Item dimensions L x W x H | 2 x 2 x 6 inches (5.1 x 5.1 x 15.2 cm) |
| Number of Packs | 1 |
| Vehicle Service Type | Cars, Trucks, RVs, Boats, Tractors, SUVs, Off-Road Vehicles |
Dangerous Goods
To avoid the delay in customs clearance process for Dangerous Goods, the shipment shall be opened at our warehouse facility to check the severity of hazardous components. Please see the list of Dangerous goods here.
Who Should Buy?
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Off-Road Enthusiasts
Ideal for off-road vehicles that are frequently unused, ensuring battery longevity and preventing drainage during storage.
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Marine Applications
Perfect for boats and marine vehicles to disconnect power when not in use, enhancing safety and battery life.
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RV Owners
Great for RV owners needing to cut power to prevent battery drain during long periods of inactivity.
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Frequent Users
Not suitable for users who frequently drive their vehicles, as constant on/off switching may be inconvenient.
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Complex Installations
May not be ideal for those with complex electrical systems requiring more advanced battery management solutions.
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Low-Voltage Applications
Not recommended for low-voltage applications outside of the specified 12V, as this may lead to compatibility issues.
Product Description
Customer Questions & Answers
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Question:
How does the battery disconnect switch work?
Answer: It isolates your battery from the vehicle's electrical system, preventing parasitic drain. -
Question:
Is it suitable for marine applications?
Answer: Yes, it has an IP67 rating, making it ideal for marine, RV, and off-road use. -
Question:
Can I install this switch myself?
Answer: Absolutely, it requires no specialized tools or technical expertise for installation.
SUNMORN Battery Switches Editorial Review
**Product ** The battery disconnect switch has garnered mixed reviews from customers who appreciate its utility but also voice concerns regarding compatibility with various battery sizes. Many users find the switch effective in preserving battery life, especially those dealing with parasitic drains that would otherwise leave them stranded. The convenience of simply turning a knob to disconnect the battery has made a notable positive impact on user experience. However, the product has been criticized for its small post size that may not fit standard battery clamps. Several customers have reported struggling to secure their battery cables properly, with some even resorting to DIY fixes—such as using copper strips or cutting down other materials for compatibility. While the switch itself seems to perform well once installed, its design doesn’t always accommodate the varying sizes of battery posts among different vehicles, leading to frustration for those who encounter installation issues. Overall, the battery disconnect switch offers a promising solution for preventing unwanted battery drain, but potential buyers should be aware of the fitment challenges that some users have faced. **Pros and Cons:** *
Customer Reviews & Ratings
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5 Star
52%
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4 Star
28%
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3 Star
8%
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2 Star
4%
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1 Star
8%
Review this product
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Pros
- Effectively prevents battery drain when disconnected.
- Simple and convenient operation with a knob.
- Good price point for the functionality offered.
Cons
- Small post size may not accommodate standard battery clamps.
Product Price History
Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
- Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.
KYD 21
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This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
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Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
Features & Benefits
- Prevents battery drain, ensuring readiness for use every time.
- Enhances safety during electrical repairs and storage with a keyed mechanism.
- Built to last with an IP67 waterproof and corrosion-resistant design.
- Robust internal construction allows for high current flow for large engines.
- Universal compatibility with various 6V to 48V systems.
- Easy installation without specialized tools or expertise required.























