Your Professional Safety Booster Cable Manufacturer
Zhejiang Safemate Automotive Safety & Emergency Technology Co,. Ltd. is a professional enterprise specializing in auto emergency products ,with over 20 years experience. Professional marketing analysis,strong assortment ability and customize design keep us a leading manufacture in worldwide car emergency business.
Why Choose Us
High Quality
Specialized on car emergency tools industry over 20 years, strict quality control and factory management win customer’s trust. Factory is certified ISO9001:2015,ISO14001:2015 and BSCI.
Safety
Your safety is our top priority. All products are tested when mass production and with safety certification according to different market requirement, GS,UL,CE,ETL,ROHS,PAHS,REACH and so on.
Professional Team
Great design and development team provide perfect support on new product development and package design. We can make OEM/ODM and package design for all customers.
24H Online Service
Our dedicated customer service team is available 24/7 to answer any questions and provide support.
Types of Safety Booster Cable
The safety booster cable produced by our company mainly include the following types:

S7(Safety Booster Cable with Voltmeter)
A safety booster cable with a voltmeter is a tool used to jump-start a vehicle's dead battery while also providing a visual indication of the battery's voltage level. The voltmeter helps users monitor the voltage during the jump-starting process, ensuring a safe and efficient transfer of power and preventing potential damage to the vehicle's electrical system.

S6(Safety Booster Cable with Wrong Connection Indicator)
A safety booster cable with a wrong connection indicator is a type of jumper cable that includes a built-in mechanism to alert users when the cables are connected with the wrong polarity (positive to negative, and vice versa). This indicator helps prevent damage to vehicles' electrical systems and potential injury by alerting the user to a potentially dangerous situation.

S4(Safety Booster Cable with Surge protector)
A safety booster cable with surge protector is a type of jumper cable designed to help start a vehicle when the battery is dead while protecting the vehicle's electronics from voltage spikes and surges. These surges can occur when connecting or disconnecting cables, or when the alternator suddenly interrupts power. The surge protector assembly protects sensitive electronic components from damage.
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Product description: Professional booster cable with S4 protector, Keep you and your vehicle safe |
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Material |
Lenght(m) |
Current(A) |
Protector |
Outer diameter |
|
CCA |
3 |
220 |
S4 |
9mm |
|
CCA |
3.5 |
350 |
S4 |
11mm |
|
CCA |
4.5 |
480 |
S4 |
12.5mm |
Advantages of Safety Booster Cable with Voltmeter
Enhanced Safety:
Reverse Polarity Protection: A key safety feature of some "smart" booster cables with voltmeters is reverse polarity protection. This prevents sparks and potential damage to the battery and vehicle electronics if the cables are accidentally connected incorrectly (positive to negative and vice versa). Instead of a spark, these cables may provide a warning signal like a beep and blinking light, or an audible alarm.
Surge and Spike Protection: Some booster cables with voltmeters include features like low voltage audible warnings and surge and spike protection. These help prevent damage to modern vehicles' sensitive electronics by absorbing sudden voltage fluctuations during the jump-starting process.
Diagnostic Features: Built-in diagnostic features, including LED indicators and audible alarms, inform the user about the battery's condition and the cable connections. For example, a green light might indicate a correctly connected, low battery, while a red light and beep could signal an incorrect connection or a negative condition.
Convenience and Ease of Use:
Battery Charge Monitoring: The voltmeter allows you to quickly and easily check the current charge level of your battery. This helps determine if a jump start is necessary or if there might be another issue.
Confirmation of Correct Connection: Some smart cables with voltmeters offer reverse polarity indicators or alarms. This provides peace of mind that the cables are connected correctly before attempting a jump start.
Faster Jump Starts: By providing clear indications and safety features, these cables can help you jump-start a car faster and with more confidence, especially for those with less experience.
Advantages of Safety Booster Cable with Wrong Connection Indicator
Safety
Reduces risk of explosion: Improperly connecting jumper cables can cause the battery to explode, potentially resulting in serious injury from acid and shrapnel.
Minimizes sparking: Incorrectly connected cables can generate sparks which are hazardous, especially around flammable hydrogen gas that car batteries can produce.
Reduces electric shock hazard: The indicator alerts the user to potential shock risks by preventing current flow if the connections are reversed.
Preventing damage
Protects car electronics: Reversing polarity can fry a vehicle's electrical system, requiring expensive repairs.
Prevents battery damage: Incorrect connections can irreparably damage a battery.
Avoids blowing fuses: The indicator minimizes the chance of blowing fuses by preventing current flow when connections are wrong.
Ease of use
Instant feedback: The indicator provides immediate feedback, typically through an LED light, confirming correct connection or warning of an error.
Eliminates guesswork: Users can be confident in their connections, avoiding uncertainty and reducing the likelihood of mistakes.
Advantages of Safety Booster Cable with Surge protector
Protects Vehicle Electronics: Surge protection prevents damaging voltage spikes and surges that can occur during jump-starting, safeguarding your car's sensitive electronic systems from harm.
Preventing Damage from Incorrect Connections: Some surge protected booster cables also feature protection against damage resulting from connecting the leads incorrectly. This adds an extra layer of safety and peace of mind during emergency situations.
Safety Features: High-quality booster cables, especially those with surge protection, are designed with safety in mind. They often have features like thick insulation to protect against electric shock and heat, and clamps with rubber-coated handles to prevent accidental contact with metal surfaces. Some models even have LCD screens for battery display and alternator charge rate.
Extends Equipment Lifespan: Protecting against voltage fluctuations helps extend the lifespan of your vehicle's electrical components and devices.
Step-by-Step Guide to Using Booster Cables
Position Vehicles Safely
Ensure both vehicles are in Park (automatic) or Neutral (manual), and apply the parking brake. Turn off both engines completely. Make sure the booster cables can reach between both batteries without being stretched or kinked.
Inspect Battery Condition
Before proceeding, visually inspect both batteries. If there is visible corrosion, leakage, or physical damage, do not attempt to jump-start the vehicle. Replace the battery first if necessary.
Identify Battery Terminals
Locate the positive (+) and negative (-) terminals on both batteries. These are typically marked clearly, often with red covers for positive and black for negative. Ensure the clamps will make good contact by cleaning any corrosion with a wire brush if needed.
Connect Red Cable to Live Battery
Attach one red clamp to the positive terminal of the working battery. Make sure it is secure and does not touch any other metal surface. This prevents accidental short circuits.
Connect Other Red Clamp to Dead Battery
Now connect the other red clamp to the positive terminal of the dead battery. Again, ensure a firm connection and keep the black clamps away from any metal surfaces at this stage.
Ground the System with Black Cable
Attach one black clamp to the negative terminal of the live battery. Then, connect the remaining black clamp to an unpainted metal part of the car with the dead battery—such as a bolt or bracket—to serve as a ground. Avoid connecting directly to the dead battery to prevent potential sparks near hydrogen gas emissions.
Start the Working Vehicle
Turn on the engine of the vehicle with the live battery and let it run for a few minutes. This helps charge the dead battery slightly before attempting to start it.
Attempt to Start the Dead Vehicle
Try starting the vehicle with the dead battery. If it doesn’t start immediately, wait a minute and try again. If unsuccessful after several attempts, stop and check connections or consider charging the battery directly instead.
Disconnect Cables Safely
Once the dead vehicle starts, disconnect the cables in the reverse order: remove the black clamp from the grounded metal first, then from the live battery. Then remove the red clamps starting with the previously dead battery, followed by the live one.
Packaging and Shipping


