# COZYEHOO Side Post Knife Blade Master Switch 12V 24V | Heavy Duty Brass Battery Disconnect

**Brand:** COZYEHOO
**SKU:** yqb0381
**ASIN:** B09MRHKLGH
**Canonical URL:** https://crowcrowcrow.com/p/side-post-knife-blade-master-switch-12v-24v-battery-disconnect-cut-off-shut-auto-car/yqb0381
**Subcategory:** Categories
**Availability:** in_stock
**Price (INR, all-inclusive):** ₹2,235
**Discount:** 36%
**Customer rating:** 4.60/5 from 455 ratings

## Description

COZYEHOO Side Post Knife Blade Master Switch (12V/24V) is a heavy-duty brass unit for cars, RVs, and boats. It isolates the battery to prevent drain and theft. Easy to install, it offers corrosion resistance and good conductivity. 6-8 days.

## Highlights

- Prevents Battery Drain & Theft — Isolate your battery completely when not in use, stopping parasitic drain and deterring unauthorized use. Essential for long-term storage of cars, RVs, and boats.
- Heavy-Duty Brass Construction — Made from high-quality brass for superior corrosion resistance and conductivity. Ensures durability and reliable performance in demanding conditions.
- Versatile 12V/24V Compatibility — Works with 6V, 12V, and 24V systems, making it suitable for a wide range of vehicles including cars, trucks, RVs, and marine applications.
- Designed for Side Post Terminals — Specifically engineered to fit side post battery terminals, ensuring a secure and proper connection for effective power isolation.

## Key features

- 【COMPATIABLE】This knife-blade battery disconnect switch is suitable for SIDE POST TERMINAL, battery Negative post only. Maximum Current: 750A, Rated Current: 250A. 6v 12v 24v car truck, bus, RV, Boat, trailer battery
- 【TOP LEVEL & HEAVY DUTY 】This side post battery disconnect switch is made of brass material, corrosion resistance, conductive performance is good, durably made for safety use
- 【EASY TO INSTALL】This battery doctor knife switch for side post easy to install & simple to use. Switch the knife, then power will cut
- 【SAVE ELECTRYCITY】This knife blade master switch is used for the battery to isolate and secure the electrical system, eliminate any power draw from the battery when vehicle or boat is not in use, stop unwanted battery drain and prevent theft or unauthorized use.Widely used for car, truck, boat or RV battery, also other electrical equipment's battery
- BUY WITH CONFIDENCE: We are so confident you'll think we have the satisfied battery disconnect switch on the market. If you have any problem about our product, please feel free to give us a message and we will do anything for you to make the thing right. We go out of our way to make sure every customer is happy and satisfied with our product and service.

## Why choose this product

**Secure Your Vehicle's Power System** — The COZYEHOO Side Post Knife Blade Master Switch provides essential security and battery maintenance for your vehicle. Its heavy-duty brass construction ensures longevity and reliable performance, resisting corrosion common in automotive environments. Rated for up to 200A continuous and 750A peak current across 6V, 12V, and 24V systems, it's built to handle demanding loads. The simple installation for side post terminals allows for quick isolation of the battery, preventing drain during storage and deterring theft. This switch is a vital upgrade for car, truck, RV, or boat owners seeking enhanced electrical system security and battery longevity.

**Ideal For Storage & Security** — This switch is perfect for owners who store vehicles or boats for extended periods, preventing the common issue of dead batteries. It's also a valuable security feature, making it impossible to start the engine without flipping the blade. While effective for most 12V/24V vehicles, users with top post terminals will need a different model. For those with side post terminals, this switch provides a straightforward solution to maintain battery health and secure their vehicle's electrical system.

## How to use

1. Identify the side post terminal on your vehicle's battery. Ensure the vehicle is turned off and all electrical accessories are disengaged before proceeding. — Locate Battery Terminal
2. Securely attach the COZYEHOO switch to the side post terminal. Ensure a firm connection for optimal conductivity. Connect your battery cables to the switch terminals. — Attach Switch
3. To disconnect power, simply flip the knife blade. To restore power, flip the blade back. This allows for easy isolation and reconnection of the battery. — Operate Switch

## Product details

| Field | Value |
|---|---|
| Contact Material | Brass |
| Actuator Type | Hinge Lever |
| Operating Voltage | 6V, 12V, 24V |
| Rated Current | 200A |
| Peak Current | 750A |
| Number of Positions | 2 (On/Off) |
| Circuit Type | Direct-Current |
| Control Type | Manual |
| Protection Rating | IP65 |
| Compatible Devices | Cars, Trucks, RVs, Boats, Trailers |
| Cost per unit | ₹2,235 per unit — 1 unit at ₹2,235 |
| Brand | COZYEHOO |
| Style | Side Post |
| Material | Brass |
| Mounting Type | Surface Mount |
| Terminal Type | Blade |
| Color | Copper |
| Dimensions (L x W x H) | 7.19 cm x 7.39 cm x 10.11 cm (3.7 in x 3.7 in x 0.8 in) |
| Item Package Weight | 0.24 kg (0.53 lb) |
| Country of Origin | Not stated by manufacturer — US retail version, sourced from authorized US retailers |

## Frequently asked questions

### Is this COZYEHOO battery disconnect switch compatible with Indian vehicles?

Yes, this 12V/24V rated master disconnect switch is compatible with Indian vehicles. It operates on the electrical load, not mains power. Ensure the continuous amperage rating (200A) matches your vehicle's needs and that it fits your side post battery terminals.

### How do I install the COZYEHOO Side Post Knife Blade Master Switch?

Installation is straightforward for side post terminals. Ensure the vehicle is off and accessories are disengaged. Attach the switch securely to the side post terminal. Connect your battery cables to the switch. Flip the blade to disconnect or reconnect power.

### What is the main benefit of using a battery disconnect switch?

The primary benefit is preventing battery drain during storage, extending battery life. It also acts as a security measure by preventing unauthorized use and can help protect the electrical system from surges. This switch allows you to easily cut power when the vehicle is not in use.

### What is the difference between top post and side post battery terminals?

Top post terminals are located on the very top of the battery, usually with posts sticking straight up. Side post terminals are typically on the sides of the battery, often with bolts or screws. This switch is specifically designed for side post terminals.

### How to buy an original COZYEHOO battery disconnect switch in India?

Purchase directly from crowcrowcrow.com. We import authentic products from authorized US retailers, ensuring they are factory-sealed and shipped per order. All customs duties and GST are included in the listed price, and your order is tracked via ExpressBox for delivery within 6-8 days.

## Compliance

No product-specific compliance warnings identified. Standard imported-goods terms apply: customs duties & GST paid; for personal use in India; follow the manufacturer's usage instructions on the packaging.

## Images

1. https://images.crowcrowcrow.com/B09MRHKLGH-0.webp
2. https://images.crowcrowcrow.com/B09MRHKLGH-3.webp
3. https://images.crowcrowcrow.com/B09MRHKLGH-6.webp
4. https://images.crowcrowcrow.com/B09MRHKLGH-9.webp
5. https://images.crowcrowcrow.com/B09MRHKLGH-12.webp
6. https://images.crowcrowcrow.com/B09MRHKLGH-15.webp

---

Source: https://crowcrowcrow.com/p/side-post-knife-blade-master-switch-12v-24v-battery-disconnect-cut-off-shut-auto-car/yqb0381

Returns: 14 days, free pickup, full refund on genuine issues. Shipping: Free across India, 6-8 days. Prices are all-inclusive (duties + GST).