WOLFBOX 4000A Car Jump Starter Booster Jumper Box Power Bank Battery Charger
High-Capacity 4000A Jump Starter – Power You Can Trust
✅ Massive 24000mAh / 88.8Wh Battery
Starts 12V cars, trucks, boats & diesel/gas engines up to 10L. Reliable performance in any emergency.
✅ Smart HD LED Display
Clear, easy-to-read interface shows real-time status indicators—no more guessing your power levels.
✅ Ultra-Fast Charging
- 65W USB-C Quick Charge + QC3.0 USB-A
- Fully recharges in just 1.3 hours (PD65W charger required, sold separately)
- Powers phones, laptops, tablets & more—perfect for travel or camping.
✅ Multi-Mode LED Flashlight
High beam, strobe & SOS modes for roadside emergencies or outdoor adventures.
✅ Rugged & Safe
- IP64 dust & water resistance
- 10 advanced protections: spark-proof, overheat, low-temp, and more.
✅ Peace of Mind
24-month warranty, free software upgrades & 24/7 customer support.
⚡ Don’t get stranded—equip yourself with the 4000A Jump Starter today and drive with confidence!
This version trims excess wording, highlights benefits with bullet points, and uses strong action verbs to boost conversions.
Would you like me to also craft a shorter “title + subtitle” combo optimized for eBay’s search algorithm (keywords like jump starter, 4000A, portable, car battery booster)? That way your listing ranks higher and attracts more clicks.
, the charger will lose power if there is excessive temperature, overload, or overvoltage, and slow charging is more friendly to the battery. So you don’t worry the security risks.
You can control charging remotely and schedule charging cycles. For example, if you want to miss the peak power, you can set charging after 8pm every day.
A: The warranty is 2 years. We offer 24/7 customer support to assist you with any issues that may encounter during the ordering and delivery process. Additionally, we have a comprehensive return and exchange policy, so you don’t need to worry.
A: We have CE, FCC, ROHS, CSA and ISO9001.