Yunstartics HW03 – 4.000A - Instantly jump-starts 12V vehicles (up to 10L gas/7.5L diesel)

YunStartics HW03 4000A Jump Starter & Tire Inflator – Your All-in-One Roadside Emergency Solution

Unexpected car troubles can happen anytime, whether it's a dead battery before work, a flat tire during a road trip, or a drained phone when you need help most. The YunStartics HW03 4000A Jump Starter & Tire Inflator is designed to keep you prepared for every situation with one compact, powerful device.

Combining a high-performance jump starter, smart tire inflator, portable power bank, emergency flashlight, and advanced safety features, the HW03 delivers confidence and convenience wherever the road takes you.

Powerful 4000A Jump-Starting Performance

Don't let a dead battery leave you stranded. The YunStartics HW03 provides up to 4000A peak current, delivering reliable starting power for a wide range of vehicles.

• Instantly jump-starts 12V vehicles
• Supports gasoline engines up to 10.0L
• Supports diesel engines up to 7.5L
• Ideal for cars, trucks, SUVs, motorcycles, boats, and more

Built with advanced lithium battery technology, the HW03 is ready whenever you need emergency starting power.

Smart 150 PSI Tire Inflator

A low tire can quickly turn into a major inconvenience. The integrated air compressor helps you inflate tires anytime, anywhere.

• Maximum pressure up to 150 PSI
• Real-time digital pressure monitoring
• Automatic shut-off when target pressure is reached
• Suitable for cars, motorcycles, bicycles, sports balls, and inflatables

Simply set your desired pressure and let the inflator do the work.

Easy and Safe Operation

The HW03 is designed for quick, hassle-free use even in stressful situations.

1. Connect the smart jumper cables to the device.
2. Attach the red clamp to the positive terminal (+) and the black clamp to the negative terminal (-).
3. Start your vehicle.
4. Remove the clamps after the engine starts successfully.

Built-in safety systems help protect both you and your vehicle during operation.

Portable Power Bank

Stay connected wherever you are.

The integrated high-capacity battery allows you to charge:

• Smartphones
• Tablets
• Wireless earbuds
• Cameras
• Other USB-powered devices

Perfect for travel, camping, emergencies, and everyday use.

Bright LED Emergency Light

Whether you're changing a tire at night or dealing with an emergency roadside situation, the built-in LED light helps improve visibility and safety.

Lighting Modes:

• Flashlight Mode
• Strobe Warning Mode
• SOS Emergency Mode

Advanced Safety Protection

The YunStartics HW03 features multiple layers of intelligent protection, including:

• Reverse polarity protection
• Short-circuit protection
• Over-current protection
• Over-voltage protection
• Over-charge protection

Designed to deliver reliable performance while protecting both the device and your vehicle's electrical system.

Be Ready for Any Roadside Emergency

From dead batteries and flat tires to charging essential devices on the go, the YunStartics HW03 4000A Jump Starter & Tire Inflator is the ultimate companion for drivers who value safety, convenience, and peace of mind.

Equip your vehicle today and travel with confidence, knowing you're prepared for whatever the road brings.

 

Shipping Destinations

NOKEX currently ships to addresses within the United States only. At this time, we do not offer international shipping.

Free Shipping

We proudly offer FREE Shipping on all orders within the United States. No minimum purchase amount or promotional code is required.

Processing & Delivery Time

Order Processing

Orders are typically processed within 1–2 business days after payment confirmation.

Shipping Time

Once shipped, most orders arrive within 3–7 business days depending on the destination and carrier operations.

Please note that delivery times may be extended during peak seasons, holidays, severe weather events, or carrier delays beyond our control.

Fulfillment Centers

To provide fast and reliable delivery, orders may be shipped from one of our U.S. fulfillment facilities:

West Coast Fulfillment Center
3550 E Francis St, Unit 100 Dock 32
Ontario, CA 91761

East Coast Fulfillment Center
174 Ridge Rd Suite A
Dayton, NJ 08810

Shipping Carriers

We work with trusted shipping partners including:

• UPS
• FedEx
• USPS
• Other regional carriers

Tracking information will be emailed automatically once your order has been dispatched.

Taxes

All product prices displayed on our website include applicable taxes. No hidden fees will be added during checkout.

60-Day Returns

We stand behind the quality of every NOKEX product. If you are not completely satisfied with your purchase, you may request a return within 60 days of delivery, subject to our Return & Refund Policy.

24-Month Warranty

All eligible NOKEX products are backed by our 24-Month Limited Warranty covering manufacturing defects and workmanship issues under normal use.

For warranty assistance, returns, or shipping-related questions, please contact our support team.

Contact Us

Support Hours: Monday – Saturday, 9:00 AM – 7:00 PM (PT)

Thank you for shopping at NOKEX. If you are not entirely satisfied with your purchase, we are here to help. Our return and refund policy is designed to ensure a fair and transparent experience for all our customers.

60-Day Return Policy

You have 60 calendar days from the date you received your item to request a return. To be eligible for a return, your item must meet the following conditions:

• The item must be unused, undamaged, and in the same condition that you received it.

• The item must be in its original packaging, including all accessories, cables, adapters, and the user manual.

• You must provide the receipt, order number, or proof of purchase.

Return Shipping and Taxes

Customer Responsibility: Customers are responsible for paying their own return shipping costs and any associated regional taxes or duties related to the return shipment. Shipping costs and return-related taxes are non-refundable.

Return Address: Please do not send your purchase back to the manufacturer. All authorized returns must be shipped to one of our domestic fulfillment centers according to the return instructions provided by our support team:

West Coast Fulfillment Center
Receiver: ETTON-WHJM
Address: 3550 E Francis St, Unit 100 Dock 32, Ontario, CA 91761
Phone: 9098283636

East Coast Fulfillment Center
Receiver: FLA013-ETTON-WHJM
Address: 174 Ridge Rd Suite A, Dayton, NJ 08810
Phone: +1 732-520-0355

Important: Any return shipped without prior approval or without a designated Return Merchandise Authorization (RMA) number may not be processed.

Damaged, Defective, or Incorrect Items

If you receive a product that is damaged during transit, defective upon arrival, or different from the item ordered, please contact our customer support team within 7 days of delivery. We will evaluate the issue and, when applicable, arrange a replacement or full refund at no additional cost.

24-Month Warranty Coverage

All eligible NOKEX products are backed by our 24-Month Limited Warranty against manufacturing defects and workmanship issues under normal use. If a covered issue occurs during the warranty period, our support team will work with you to provide troubleshooting assistance, a replacement product, or another appropriate solution.

The warranty does not cover damage caused by misuse, accidental damage, unauthorized modifications, improper storage, normal wear and tear, or use outside the product's intended purpose.

Refund Process

Once we receive your returned item, our team will inspect it and notify you that your return has been received. We will then inform you of the approval or rejection of your refund request.

Approved Refunds: If your refund is approved, we will process the refund to your original method of payment, such as a credit card, debit card, or PayPal account.

Processing Time: Refunds typically appear within 5–10 business days, depending on your financial institution and payment provider.

Late or Missing Refunds

If you have not received your refund:

• Check your bank account or payment platform again.
• Contact your credit card provider, as processing times may vary.
• Contact your bank, as some financial institutions require additional processing time before posting refunds.

If you have completed these steps and still have not received your refund, please contact our support team for assistance.

Contact Us

If you have any questions regarding returns, refunds, warranty claims, or replacement requests, please contact us:

Email: nokexsupport@gmail.com

Support Hours: Monday – Saturday, 9:00 AM – 7:00 PM (PT)