User Manual
4000A
150PSI
Jump Starter
Tire Inflator
Product Name: A5 Jump Starter with Inflator
SUPERSAFE is a safety protection technology by GOOLOO Model: JS-588
A5 Jump Starter With Inflator
Thank you for choosing the GOOLOO Jump Starter.
Please read this manual carefully before use. It contains important safety and operation guidelines. Keep this manual for future reference.
Charge It First !
While reviewing this manual, you can begin charging your A5 using the included USB-C cable and a compatible wall charger.
Note: Wall charger not included. Warning
This unit is designed exclusively for 12V vehicles or equipment. Using it with incompatible battery systems can be hazardous.
Before using the jump starter, carefully review all safety information provided.
Failure to follow safety guidelines may result in:
- Damage to the unit
- Electric shock
- Fire or explosion
- Property damage
- Personal injury
Product Parts and Functions Description
Package Content
| # | Part Name | Quantity |
| 1 | Host | 1 |
| 2 | Smart Jumper Cable | 1 |
| 3 | USB-A to USB-C Cable | 1 |
| 4 | Carrying Bag | 1 |
| 5 | Pump Tube | 1 |
| 6 | Air Nozzle | 5 |
| 7 | User Manual | 1 |
Technical Specification
| Capacity | 74Wh |
| Starting Current | 800A |
| Peak Current | 4000A |
| USB-C In | QC2.0 18W MAX(5V/2A,9V/2A) |
| USB-C Out | PD45W MAX(5V/3A,9V/3A, 12V/3A,15V/3A,20V/2.25A) |
| USB-A Out | 5V/2.4A |
| Pressure Range | 7~150PSI |
| Operating Temp | -4 ~ 131 |
| Lifetime | >1000 Cycles |
| Full Charge Time | 6 hours(9V/2A Charger) |
| Size | 8.98*5.55*2.40in |
| Weight | 3.20±0.11lb |
Operation Instructions
Battery Power:
Press the Power button to check the current battery level. The number of bars on the battery icon indicates the approximate charge percentage:
During charging, the battery icon will blink progressively, indicating the charging progress.
Once charging is complete, all four bars will be solid.
How to Charge the A5
To charge the A5, use the included USB-C cable with a compatible wall charger.
Note: Wall charger is not included.
How to Start a 12V Vehicle (Make sure the battery power ≥ 2 bars)
Note: Please ensure the correct connection of the vehicle battery before pressing the “BOOST” button on the jumper cable.
- Connect the vehicle battery
- Green LED illuminates (solid)
- Start vehicle engine
Check the LED indicator on the jumper cable and follow the instructions as below:
| LED Indicator | Operation |
| Green LED (solid) | Proper connection detected. You can start the vehicle immediately |
| Red LED | Reverse polarity detected. Please check that the battery clamps are connected to the correct terminals. |
| Green LED (blinking) | The vehicle battery voltage is too low. Press the “BOOST” button on the jumper cable. Once the Green LED turns solid, start the vehicle within 30 seconds. |
| No Light | The vehicle battery may be damaged. First, ensure the clamps are connected correctly. Then press the “BOOST” button. When the Green LED turns solid, start the vehicle within 30 seconds. |
If you encounter any persistent issues, we recommend discontinuing the use of the jump starter and contacting our service team directly at fiona@gooloo.com (for the US)/support.eu@gooloo.com (for the EU). Rest assured, we will make every effort to resolve the problem within 24 hours.
How to Inflate
- Connect the air nozzle
- Set the air pressure
- Start the device. It stops at the preset pressure.
Instructions of buttons and display screen:
- To power the product on or off, simply press and hold the power button for two seconds. The battery level is denoted by “1”, the tire pressure unit is represented by “2”, the inflation mode is indicated by “3”, and the actual tire pressure value is shown as “4”. Additionally, the preset tire pressure value is displayed as “5”.
- Short press the ”
” button to switch the inflation mode. Each short press will toggle between the icons for “SUV,” “Car,” “Bicycle,” “Basketball,” and “Free Mode.” Select the icon that corresponds to the object you want to inflate. - Press and hold the ” ” button for 2 seconds to switch between different pressure units. Each long press will toggle between “BAR,” “PSI,” and “KPA.” Release the ” ” button to confirm the selected unit.
- Short press the “+” or “-” button to adjust the air pressure of the selected object. “+” increases, “-” decreases. Keep pressing until desired pressure is reached.
- In the selected inflating mode, briefly press the power switch button to activate the inflation function. The pump will automatically stop when the desired value is reached.
Product Highlights
Powerful Jump Starter – The 4000 amp jump starter battery pack provides instant restart for your 12V dead vehicles, supporting engines up to 9.0L for gas and 6.5L for diesel . Even if the battery voltage is extremely low, simply press the “BOOST” button to forcefully jump start your car. With over 1000+ charge cycles, it is built to withstand extreme weather conditions ranging from -4°F to 131°F.
Smart cordless Tire Inflator- Equipped with a smart LED screen, tire pressure detection and automatic shut-off functions make your operation more convenient. A full charge provides up to 75 minutes of wireless continuous inflation and supports unit switching
(BAR/PSI/KPA).
5 IN 1 Jump Starter -Not only a car battery jump starter pack, a tire inflator, but also a portable power bank, a LED flashlight and a SOS emergency light. Compatible with USB devices such as smartphones and tablets.
All-Around Defense -Incorporating a high-efficiency battery management system (BMS), this device offers 10 key protections, including short circuit protection, overcurrent protection, reverse connection protection, overheating protection, and overcharge protection.
18 months Warranty – We offer a warranty period of 18 months as per our commitment. Package Including: 1 X jump starter with air compressor, 1 X smart jumper cable, 1 X USB-A to USB-C cable, 1 X carrying bag, 1 X pump tube, 5 X air nozzle, 1 X user manual.
How to Turn the LED Flashlight On/Off
To activate the LED light, briefly press the lighting button. The white light will stay on continuously.
Pressing the button again will cycle through the following modes:
Normal → Burst Flash → SOS Signal → OFF
How to Turn the Unit On and Off
To turn the unit on, press and hold the Power button for 2 seconds.
To turn it off, press and hold the Power button again for 2 seconds.
The device will automatically power off after 90 seconds of inactivity.
Toxic and Hazardous Substances Declaration
Composition and amount of toxic or harmful substance in this product
0: Indicate that the content of harmful substances in all homogeneous materials is all lower than the prescribed limit of MCV (the standard 2002/95/EC/RoHs)
FAQ
Q1: What is the operating and storage temperature range of this unit?
A: This unit contains a lithium polymer battery. The operating temperature range is –4°F to 131°F , and the storage temperature range is –4°F to 140°F. Exposure to temperatures above 140°F may cause internal battery damage, swelling, or safety hazards. To prevent damage, avoid storing the unit in high-temperature environments such as inside parked vehicles.
Q2: How do I start a vehicle using this unit?
A: Please refer to the section “How to start a 12V vehicle” in this manual for detailed instructions.
Q3: How do I know if this unit is properly connected to the vehicle?
A: After connecting the clamps to the vehicle battery, check the LED on the jumper cable. A solid green light means the connection is correct. A solid red light indicates reverse polarity.
Q4: What should I do if the unit doesn’t start the vehicle?
A: First, fully recharge the unit. Then reconnect the clamps and press the BOOST button. If the green LED turns solid, attempt to start the vehicle within 30 seconds. If the issue persists, contact us:US Support: fiona@gooloo.com/EU Support: support.eu@gooloo.com Please include your order ID for faster assistance.
Q5: What should I do if the unit doesn’t charge?
A: Charge the unit using a USB-C cable and a wall charger overnight. If it still doesn’t charge, contact us at: US Support: fiona@gooloo.com/ EU Support: support.eu@gooloo.com Include your order ID when reaching out.
Q6: What if this unit can’t charge other devices?
A: Try using a different charging cable. If it works, the included cable may be faulty—we’ll replace it. If the issue continues with another cable, please contact us:US Support: fiona@gooloo.com/EU Support: support.eu@gooloo.com Be sure to include your order ID.
Q7: Can this unit charge other devices while being charged?
A: Yes.
Q8: Can this unit charge other devices while jump-starting a vehicle?
A: No.
Q9: How often should I recharge the unit?
A: We recommend recharging the unit every 3 months to maintain optimal battery health.
Q10: Why does the unit shut off in 30 seconds when charging other devices?
A: The unit requires a minimum load of 200mA. Devices like smartwatches or earbuds that draw less current may cause the unit to shut off. If the current remains below 200mA, the unit will automatically power off after 90 seconds.
Warning
- Read this user manual carefully before operating the device.
- Use caution while handling this unit. Improper use may cause injury or damage to your vehicle or equipment.
- Do not allow untrained individuals to operate this unit without supervision.
- This unit is not a toy. Keep it out of reach of children.
- This product is designed for vehicles with 12V batteries only. Do not use with non-12V vehicles or on aircraft, ships, or other equipment.
- Do not use the unitif any cable, clamp, or connector is damaged, or if the device appears swollen, overheated, or leaking.
- Do not use the unit as a car battery or a standalone battery charger.
- Do not attempt to jump-start a vehicle while the unit is charging.
- Only use the supplied clamps for jump-starting and a certified charger for recharging.
- Do not allow the battery to fully discharge. Recharge every 3 months for optimal performance.
- Ensure the blue plug on the jumper cable is fully inserted into the output port. Loose connections may cause melting.
- Clean the vehicle’s battery terminals before connecting. Dirty or corroded terminals may reduce performance.
- Do not start the engine more than three times consecutively. Allow 2 minutes between attempts to prevent overheating.
- Do not reverse the clamp connection after pressing the BOOST button.
- Only use the unit to jump-start the vehicle when its battery level exceeds 2 bars.
- After jump-starting, wait at least 30 minutes before recharging the unit.
- Do not submerge the unit in water.
- Do not use thedevice in explosive or flammable environments (e.g., near gasoline, gas vapors, or dust).
- Do not disassemble or modify the unit. Repairs must be performed by qualified service technicians.
- Keep the unit away from fire and extreme heat.
- Do not drop or crushthe device. If damaged, have it inspected by a certified technician.
- Do not store the device in areas where temperatures exceed 140°F.
- Only charge at ambient temperatures between 32°F to 131°F.
- Under extremeconditions, battery leakage may occur. Do not touch leaking material with bare hands.
• If contact with skin occurs, wash the affected area with soap and water immediately. Seek medical attention if irritation develops.
• If contact with eyes occurs, rinse thoroughly with clean water for at least 10 minutes and seek medical attention immediately. - This unit contains a lithium battery. At the end of its service life or in case of leakage, dispose of the device in accordance with local regulations.
Your Warranty Includes
- 18-Month Online After-Sales Service
We provide timely and effective online support for any product issues within 18 months of purchase. - 30-Day Money-Back Guarantee
If you experience any product issues within 30 days of purchase, you may request a return via Amazon for a full refund. - 30 Days to 18 Months Replacement Guarantee
If the product develops a manufacturing defect between 30 days and 18 months after purchase, we will replace it with a new unit at no additional cost.
Disclaimer
A. To obtain warranty service, the original purchaser must provide proof of purchase (order ID or receipt). Warranty coverage begins on the date of original purchase.
B. The warranty does not cover damage or malfunction caused by:
• Normal wear and tear
• Physical abuse or impact
• Improper installation
• Misuse or modification
• Unauthorized third-party repairs
C. GOOLOO is not liable for any accidental, indirect, or consequential damages arising from improper use or misuse of this product.
D. All warranty claims are limited to the repair or replacement of the defective product, at the sole discretion of GOOLOO.
Attention
 | Do Not Submerge In Water |
 | Do Not Disassemble |
 | Do Not Drop |
 | Avoid Extreme Temperatures |
 | Do Not Place Near or Into Fire |
Customer Service
 | 18 Months Limited Warranty Service |
 | Lifetime Technical Service |
 | Feel Free to Contact Us fiona@gooloo.com (for the US) support.eu@gooloo.com (for the EU) |
 | For FAQ and More Information www.gooloo.com |
 | 1-888-886-1805 Mon.-Fri. PST 9:00a.m.-5:00p.m. |
Thank You
for Choosing Us
Made in China
Documents / Resources
 | GOOLOO A5 Jump Starter With Inflator [pdf] User Manual JS-588, A5 Jump Starter With Inflator, A5, Jump Starter With Inflator, With Inflator, Inflator |