User Manual
Model No.: JS-617
GT TRUCK PRO
Thank you for choosing the GOOLOO jump starter.
To ensure a safe and satisfying experience, please
read this manual carefully before use.
It contains important safety guidelines and operating
instructions.
We highly recommend keeping this manual for future
reference.
Charge It First !
While reviewing this manual, you can begin charging
GT TRUCK PRO 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
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Parts and Function Description
LED Flashlight
12V button
LED switch
Handle
Battery clamps
Switch
DC Output Port
Indicator
USB-A Output Port
USB-C Input Port
Orange LED: Reverse
Green LED: Normal
Red LED: Abnormal
5V 2.4A
Package Content
#
QuantityPart Name
Host
USB-A to USB-C cable
USB-C to USB-C cable
Home adapter
User Manual
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Technical Specification
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12V 10A
Product Name
Model No
Battery Capacity
GT TRUCK PRO
JS-617
204.8Wh/16000mAh,12.8V
Peak Current 12V/10000A
Input
USB-A Output
DC Output
Starting Current 12V/1000A
Operating Temp
USB-C PD 65W
-40℉～140℉
Dimension
Weight
245x220x150mm
3500g
Product Highlights
Powerful Jump Starter for Heavy-Duty Engines: GOOLOO GT
TRUCK PRO delivers an astounding 10000A peak current,
specifically engineered to jump start all gasoline and diesel
engines. Specially designed to start large truck engines that other
jump starters can’t do. It can effortlessly jump start pick-up trucks,
off-road vehicle, cars, boats, motorcycles, and more.
Large Capacity & Multi-Device Charging: Equipped with a huge
204.8Wh (64000mAh) battery, it serves as a powerful portable
charging station. With 65W USB-C PD input, 1 USB-A output,
and 1 DC ouput, it can quickly power laptops, phones, tablets,
drones, and other device anytime, anywhere.
Ready for Emergencies & Extreme Conditions:Start vehicles in
seconds, with enough reserve power for numerous boosts on a
single charge. It can work reliably in extreme temperatures, from
-40°F to 140°F, making it ideal for freezing winters or scorching
summers. And the ultra-bright LED light features 3 modes (Steady,
Strobe, SOS), perfect for roadside emergencies, nighttime repairs,
or outdoor adventures.
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 monthsas
per our commitment. Package Including: 1 jump starter, 1 jumper
cable, 1 USB-A to USB-C cable, 1 USB-C to USB-C cable, 1 home
adapter and 1 user manual.
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OPERATION GUIDANCE
Battery Power:
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Press the button to check the battery level of the jump
starter.
Charging a Smart Phone or Tablet:
1. Plug the provided USB cable into the output port.
2. Connect the other end to your mobile phone or tablet.
3. Press the power button to begin charging.
During charging, the indicators will flash in sequence.
All indicators turn off when charging is complete.
25% 50% 75% 100%
Battery Level Indicator 0
Battery Level 0% 25%
50% 75% 100%
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How to Charge the Jump Starter:
by connecting a USB-C cable (supoort PD 65W) to the
charging port
How to Use the Jump Starter:
1. Make sure the battery level is 75% or higher (3 out of
4 LEDs).
2. Connect the RED clamp to the vehicle's battery positive
(+) terminal and connect the BLACK clamp to the vehicle's
battery negative (-) terminal.
3. Press and hold the 12V boost for 2 seconds.
4. Start the vehicle.
5. Once the vehicle is running, remove the RED positive (+)
clamp and the the BLACK negative (-) clamp from the
battery of the vehicle being boosted.
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04
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3W LED Flashlight：
Press and hold the button for 3 seconds to turn on
the flashlight.
Once on, briefly press the button to cycle through the 3
modes: Steady, Strobe, SOS.
NOTE
· Do not attempt to jump start an engine if only one battery
indicator light is lit (approximately 25% charge or less).
· This jump starter is designed to start both 12V vehicles.
Always ensure it is set to the correct voltage mode that
matches your vehicle's electrical system.
· Do not crank the engine for more than 3 seconds at a
time. The jump starter is designed for short-term operation
only. Cranking for longer may cause overheating and
damage. Allow the jump starter to cool down for at least 2
minutes after each attempt.
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!
Troubleshooting Guide
Status
Cause
Solution
The green
(normal)
indicator
is solid on.
The clamp
connection
is correct.
Proceed with jump start.
The red
(abnormal)
indicator is
solid on.
The clamp
connection
is reversed.
Immediately disconnect the
clamps and reconnect them
correctly: RED clamp to positive
(+) terminal, BLACK clamp to
negative (-) terminal.
No response
when pressing
the power
button.
The jump
starter's low-
voltage
protection is
active.
Connect the provided adapter to
the input port to reactivate it.
The jump
starter cannot
be charged.
If you encounter any persistent issues, we recommend discontinuing
the use of the jump starter and contacting our service team directly
at [email protected] (for the US)/[email protected] (for
the EU). Rest assured we will make every effort to resolve the
problem within 24 hours.
Damaged
USB-C cable
or power
supply
Try another USB-C cable and
power adapter. If still not
working, please contact after-
sales service.
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Environmental Protection
Do not dispose of this product in the usual household
garbage at the end of its life cycle; hand it over at a
collection point for the recycling of electrical and electronic
appliances. The symbols on the product, the instructions
for use or the packing will inform about the methods for
disposal.
Toxic and Hazardous Substances Declaration
in this product
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FAQ
Q1: What is the operating temperature of this unit, and
how should it be stored?
A: The unit can operate within a temperature range of -40℃
to 60℃(-40℉to 140℉). To maintain performance and safety:
Do not use or store the unit in environments exceeding 60℃
(140℉); avoid leaving the unit in a hot vehicle for extended
periods. Otherwise, it may cause safety hazards or
irreversible damage to the battery.
Q2: How do I start a vehicle using this unit?
A: Please refer to the section “How to Use the Jump
Starter” 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.
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Q4: How many times can this unit jump-start
a vehicle?
A: Under full charge, this unit can jump-start a 12V
vehicle approximately 65 times.
Q5: How long does it take to charge this unit?
A: Approx. 3.7 hours through the Quick Charge(PD 65W)
input port.
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Q6: How many times can this appliance charge for
the phone?
A: The number of charges depends on your phone's
battery capacity. For example, it can fully charge an
iPhone 11 up to 15 times.
Q7: Can this unit charge other devices while jump
starting a vehicle?
A: No.
Q8: What is the lifespan of the unit?
A: It can be used for 3-5 years under normal conditions.
Q9: How often should I recharge the unit?
A: We recommend recharging the unit every 3 months
to maintain optimal battery health.
Warning
1. Read the entire instruction manual carefully before use.
2. For 12V vehicles only. Using it for other voltages
may cause damage or hazards.
3. DO NOT use if any cable, clamp, or cord is damaged.
4. DO NOT use as a replacement for a vehicle battery.
5. Remove the unit immediately after successfully starting
the engine.
6. Ensure all battery terminals are clean and firmly
connected. Dirty or corroded terminals will reduce
performance.
7. DO NOT attempt more than 3 jump-starts in a row.
Allow at least 2 minutes between attempts to prevent
overheating.
8. Disconnect the unit from the battery within 30 seconds
after starting to avoid damage.
9. Never touch or connect the red and black clamps
together.
10. DO NOT allow children, elderly, or persons with
reduced physical or mental capabilities to use the product
without supervision.
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11. This is not a toy. DO NOT misuse.
12. DO NOT allow the product to become wet.
13. DO NOT immerse the unit in water or any other liquid.
14. DO NOT operate the unit in explosive environment
(e.g., near flammable liquids, gases, or dust).
15. DO NOT modify, disassemble, or attempt to repair
this unit. All repairs must be performed by a qualified
technician.
16. DO NOT expose the product to extreme heat, fire,
or direct sunlight.
17. Ensure another person is within voice range to
provide assistance when working with batteries.
18. Remove all personal metal items (e.g., rings, bracelets,
necklaces) before use.
19. DO NOT drop the unit. If the unit is damaged, have it
inspected by a qualified technician.
20. DO NOT store the unit in locations where
temperatures may exceed 60°C (140°F).
21. Charge the unit only at ambient temperatures
between 0°C and 45°C (32°F to 113°F).
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22. Charge only using the provided charger or a charger
matching the unit’s input specifications.
23. DO NOT use the unit to jump-start a vehicle while
charging its internal battery.
24. If the unit is leaking liquid, dispose of it immediately
at a proper recycling facility.
25. Battery leakage may occur under extreme conditions.
Avoid contact with skin or eyes. In case of contact, wash
immediately with water and seek medical attention if
necessary.
26. DO NOT charge the unit immediately after jump-
starting a vehicle. Allow it to cool first.
27. DO NOT use the jumper cables to charge other
equipment.
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Your Warranty Includes
·18-Month Online After-Sales Service
·30-Day Money-Back Guarantee
·30 Days to 18 Months Replacement Guarantee
·Disclaimer
We provide timely and effective online support for any
product issues within 18 months of purchase.
If you experience any product issues within 30 days of
purchase, you may request a return via Amazon for a
full refund.
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.
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.
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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.
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Attention
Do Not Place Near or Into Fire
Avoid Extreme Temperatures
Do Not Drop
Do Not Disassemble
Do Not Submerge In Water
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Customer Service
18 Months Limited Warranty Service
Lifetime Technical Service
Feel Free to Contact Us
For FAQ and More Information
[email protected] (for the US)
[email protected] (for the EU)
www.gooloo.com
1-888-886-1805
Mon.-Fri. PST 9:00a.m.-5:00p.m.
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Thank You
for Choosing Us
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