Car batteries don’t last forever, and the warning signs aren’t always obvious until the engine refuses to turn over. Battery failures can happen at the most unexpected times and can turn even a short drive into a major inconvenience. A car jump starter lets you restart your vehicle on your own without requiring help from another driver or roadside assistance services. These portable devices pack enough power to revive a dead car battery in seconds, making them an indispensable car accessory when traveling alone or during emergencies. For a car jump starter that offers reliable performance in any occasion, consider going with the GOOLOO A5.
The GOOLOO A5 is a portable car jump starter that features a 20,000mAh battery, which delivers a peak current of 4000A, making it capable of jump starting all gas engine vehicles and vehicles with diesel engines up to 10L, while also boasting a BOOST mode that enables it to start fully drained batteries. It also features a 160PSI air compressor, allowing it to inflate tires from most vehicles in just a few minutes.
It also doubles as a power bank, integrating a 18W USB-C Input, a 45W USB-C Output, and a 12W USB-A Output, plus a built-in 400-lumen LED flashlight that features standard lighting, strobe, and SOS modes.
Built for everyday drivers and combining four functionalities into one device, this portable car jump starter is an emergency powerhouse for multiple scenarios, making it an indispensable tool for car owners who want more than the basics.
Here’s our review of the GOOLOO A5, where we go over all the unique features this portable car jump starter has to offer you.
DESIGN & SPECS
Starting with its size, this car jump starter has a compact footprint, meaning it fits easily in your vehicle’s glove box. The device measures 8.98 inches long by 5.55 inches wide by 2.40 inches thick. It’s also lightweight, weighing only 3.2 lbs., and comes equipped with a lanyard for carrying it effortlessly.
GOOLOO A5 Jump Starter
The GOOLOO A5 also packs a sturdy, heat-resistant construction, meaning it’s built to withstand everyday use, even in harsh weather conditions. The device can operate within a temperature range of from -4ºF to 140ºF.
For connecting it to your vehicle’s battery, this car jump starter uses a set of jumper cables and high-quality copper clamps, which also have a durable construction.
Uses jumper cables equipped with high-quality copper clamps
It also comes with a carrying pouch for storing it safely when not in use.
Comes with a carrying pouch
BATTERY, POWER SPECS & BATTERY LIFE
For its power source for jump starting vehicles, the GOOLOO A5 integrates a large 20,000mAh Lithium-Ion battery that can deliver a peak current of up to 4000 Amps, making it capable of jump starting most 12V vehicles, including all gas engine vehicles and vehicles with diesel engines up to 10L.
Powered by a high-capacity 16,000mAh Lithium-Ion battery that can deliver a peak current of up to 4000 Amps
Moreover, it also features a BOOST mode that enables it to revive both low-voltage or even completely dead batteries.
Features a Power Boost mode that enables it to start fully drained batteries
In addition, this car jump starter also features a heavy-duty 160PSI air compressor, which allows it to inflate tires from most vehicles in just a few minutes, including full-size pickups, light trucks, SUVs, standard cars, motorcycles, and bicycles. More specifically, it can inflate a 285/70 R17 pickup tire from 30 PSI to 36 PSI in 2 minutes, or a 195/65 R15 sedan tire from 30 PSI to 36 PSI in 30 seconds. It can also be used to inflate small outdoor inflatables like beach balls, pool mats, etc.
Features a 160PSI air compressor
Plus, it also comes with a flexible pump tube and five different types of air nozzles.
The device integrates a 2000-nit color LCD display that shows air pressure in real time, which can be clearly read even under direct sunlight. Under its LCD display there’s a button control panel with a user-friendly interface that makes operating simple and straightforward.

Its 20,000mAh battery also enables the jump starter to be used as a power bank, coming equipped with a 18W USB-C Input port for charging its battery, a 45W USB-C Output port that delivers fast charging for all your devices, and a 12W USB-A Output port.

What’s more is that the device also features 12 built-in safety protections, which prevent overheating, overcurrent, overcharge, over discharge, and more.
Lastly, this car jump starter also integrates a built-in 400-lumen LED flashlight that provides reliable illumination in low light conditions. Its LED flashlight offers three different operation modes, including standard lighting, strobe, and SOS.
Integrates a built-in 400-lumen LED flashlight that features standard lighting, strobe, and SOS modes
In regard to its battery life, the jump starter’s battery supports up to 50 engine starts, 50 minutes of continuous inflation, multiple phone/tablet charges, and up to 99 hours of lighting (depending on which lighting mode) on a full charge.
WHAT’S IN THE BOX?
Inside their package users will find: their GOOLOO A5, the device’s jumper cables, a pump tube, five air nozzles, a USB-C and USB-A charging cables, a carrying pouch, and a user manual.
Box contents
PRICING & AVAILABILITY
If you’re interested in purchasing this portable car jump starter, know each unit is currently discounted from its standard price of $159.99 down to $99.99.
You can order it online either from GOOLOO’s official shopping page, or you can buy it on GOOLOO’s Amazon store page.

