Multiple protection functions
Built-in monitoring is presented to help reduce common connection and charging risks.
OFFICIALBRAND 🔋GBX155 4250A Car Jump Starter — Suitable for 10.0L Gasoline & 8.0L Diesel Engines
Regular price
$54.99 USD
Regular price
$54.99 USD
Sale price
$108.99 USD
Unit price
per
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Emergency starting power for the road
Start, Charge and Signal From One Portable Power System
Keep a compact emergency power solution in the trunk for weak batteries, roadside lighting and USB-powered devices. The digital display and smart clamp system make status and connection checks easier to understand.
+Smart clamp connection protection
+USB-C input and output support
+Digital battery and status display
+Multi-mode emergency flashlight
Designed for roadside readiness
Check the selected variant, vehicle requirements and battery voltage before use.
Fast top-up support
Recharge the Unit Without Waiting All Day
The product imagery shows USB-C Power Delivery input and output support. A higher-output compatible charger can reduce recharge time and help restore enough stored energy for emergency use more quickly.
01
USB-C input and output
One high-output port supports both recharging the unit and powering compatible devices.
02
Power-level visibility
The front display helps you check remaining charge, voltage and operating status.
03
Trunk-ready storage
The compact housing and storage bag help keep the cables organized between trips.
Protection-focused design
Clear Connections, Smarter Status Checks
The page highlights reverse-polarity, spark, overvoltage, short-circuit, overcurrent, overheat and low-voltage protection functions.
One-button mode selection
A large front screen and mode button make battery status and selected functions easier to read.
Protected clamp connection
Red and black clamps help identify polarity, while the system is presented with reverse-polarity protection.
More than an emergency starter
Power Phones, Tablets and Other USB Devices
The product imagery presents one USB-C port with up to 60W input/output support plus USB-A output for everyday electronics. Device compatibility depends on the cable and charging protocol used.
USB-C Power DeliverySupports compatible higher-output devices and faster recharging.
USB-A OutputUseful for phones, lights and smaller accessories.
Portable backup powerUseful during road trips, outages and outdoor emergencies.
Digital status displayCheck charge level and operating information before leaving home.
Light when you need it
Roadside Visibility and Emergency Signaling
A built-in LED light can illuminate a battery compartment, roadside repair area or dark campsite. The product image lists several brightness and signal settings, including SOS, blink and strobe modes.
01
Work light
Use steady illumination for battery checks and low-light roadside tasks.
02
Emergency signal modes
SOS, blink and strobe settings can help attract attention when visibility is poor.
03
Multiple brightness levels
Select a lower or higher output depending on the situation and remaining battery.
General jump-start sequence
Connect, Confirm, Start and Disconnect
Follow the included instructions and the vehicle manual. The steps below are a general safety sequence and do not replace the product manual.
01
Turn everything off
Switch off the vehicle, accessories and lights. Confirm that the vehicle uses a compatible 12V battery system.
02
Connect the clamps
Attach red to the positive terminal and black to the correct negative or chassis point specified by the vehicle manual.
03
Check the display
Confirm that no warning indicator is shown before attempting to start the engine.
04
Start and disconnect
Crank only as directed, then remove the clamps in the reverse order after the engine starts.
Choose before checkout
Select the Correct Charging Plug Standard
The product page currently lists four regional plug options. Select the plug that matches the wall outlets used in your destination country.
Important battery safety
Use only with the battery voltage and vehicle types stated in the included instructions. Never use on a swollen, leaking, frozen or physically damaged battery. Keep sparks, flames and cigarettes away from batteries, work in a ventilated area, and do not allow the clamps to touch each other.
Frequently asked questions
Before You Keep It in the Trunk
Is this suitable for every gasoline or diesel engine?
No. Vehicle compatibility depends on engine size, battery condition, temperature, system voltage and the exact output of the selected product. Compare the product manual with your vehicle requirements before use.
Can I leave it in the car all year?
Store it within the temperature range stated in the manual. Extreme heat or freezing temperatures can reduce lithium battery performance and service life. Recharge and inspect it regularly.
Can it charge a laptop?
The page shows USB-C output up to 60W. Laptop charging requires a compatible USB-C Power Delivery profile and cable, and some high-power laptops may need more than 60W.
What is included?
The current product imagery shows the main power unit, integrated battery clamps, a storage bag, charging cables and an instruction card. Review the selected variant and checkout details for the final package contents.
How often should I recharge it?
Check the displayed battery level regularly and recharge after use. For long-term storage, follow the maintenance interval and storage instructions in the included manual.
Prepare before the battery goes flat
Keep Starting Power, Device Charging and Emergency Light in Reach
Select the correct regional plug, confirm vehicle compatibility and store the charged unit with its cables where you can reach it quickly.