Press Power and Boost button at the same time for 2-3 seconds to turn on this mode. It allows for low-level charging of sensitive devices like headphones and smartwatches Beeping: Jump starter’s temperature is too low or high. Wait until the Gooloo’s temperature is between 32F – 113F

GT3000 Set – GOOLOO 100W Two-Way Charging GT3000 Set – GOOLOO

Pair it with GT3000, GT4000, and GT4000S for 100W fast, efficient charging at home or in the office. You can fully charge GT4000 in 57 mins at home or on the office. One Charger for All USB-C DevicesHere are the errors that may show up on the screen. They are also printed on the bottom of the Gooloo. Even if you plug it to the wrong one, the Gooloo’s reverse-polarity protection will prevent your battery from getting short-circuited. It will also display a “X” symbol on its screen and continually beep Turn on the jump starter, then press the Power button for 1-2 seconds to turn on the light. Cycle through the modes by briefly pushing the Power button again Reverse-polarity protection: Having the clamps touch each other does nothing. They are quite fool-proof (except when “Boost” mode is activated)

GT3000 + 100W Wall Charger + Box – GOOLOO Luxury Set | GT3000 + 100W Wall Charger + Box – GOOLOO

We're keeping it in our trunk organizer, and we'll update this post the next time we use it, but so far it's proven to be an affordable, effective jump starter for everyday use.All GOOLOO jump starters are designed with a wide compatibility range that can jump-start all your 12V vehicles easily and conveniently, from cars and motorcycles to RVs, ATVs, SUVs, tractors and boats. With 3-step easy steps, you'll be ready to start your engines in no time.

GOOLOO GT3000 Jump Starter – CA.GOOLOO GOOLOO GT3000 Jump Starter – CA.GOOLOO

The jumper cable features a smart Over-Start Protection function. If you start the vehicle more than 4 times in 2 minutes, the jumper cable will turn on Over-Start Protection: The green and red light will start to blink and the battery clamps will have no output. When you disconnect the jumper cable plug from the jumper starter, the smart Over-Start Protection will reset. To determine how long this battery can be used for to power a given device, use the following equation: Beeping: Vehicle was jump started 4x within 10 minutes, putting the Gooloo into safe mode. Wait 10 mins before trying again The Gooloo GT3000 Turbo mirrors what was said about the NOCO batteries, and its high 3,000A output can jump start vehicles many dozen times over. Its rugged, eye catching design makes it stand out from the NOCO and Fanttik T8 Apex starters, and the addition of a 12V DC-to-12V Car Port cable opens it for more versatile use than the other brands I have compared it to. Both the Gooloo and Fanttik include modern USB-C PD (Power Delivery) output that can fast-charge phones, tablets, and laptops at up to 65W. None of the NOCO boosters mentioned in this article have this. That also means that the Gooloo and Fanttik batteries could power a laptop that uses 45W for up to 1.5 hours! That just highlights how NOCO — despite being one of the top brands in the industry — appears a bit outdated for modern times. X” + Beeping: Polarity is reversed. Ensure the clamps are connected to the correct battery terminals [Red clamp with car’s red or plus (+) terminal]See all the information at a glance. 3.2'' LCD screen shows you the battery level, specific operational status, and some error reminders. LARGER CAPACITY TO CHARGE MULTIPLE DEVICES They’re everywhere today, but lithium-ion jump starters only first appeared in 2013. Now there are thousands of them (see our favorite portable jump starters), and what was once an expensive specialty product is affordable enough that most people should keep one in their car. They’re not only convenient, but safer than using jumper cables, as all the good ones detect reverse polarity. This prevents injuries from sparks and arcing; possible fires; and damage to a car’s battery and even electronics. In an emergency you don’t need another vehicle to get your car started, plus they almost all have flashlights and various USB ports to act as giant chargers and battery banks. Obtain the best charging performance with GaN (gallium nitride) Technology, the charger can provide 100W fast charging speed in a compact size and has a safety protection system to prevent over-current, short-circuit, over-charging, and over-heating. Heavy-Duty And Long E-marker Cable Can hold charge for up to 2 years before completely drained, although you should charge it every 3-6 months to prolong its lifetime

GOOLOO GP4000 Jump Starter GOOLOO GP4000 Jump Starter

Boost Test: GT3000, T8 Apex, GB50, and GB40 were able to start my V6 engine SUV (3.5L gas) just fine The iF DESIGN AWARD is one of the world’s most prestigious design awards. At the beginning of 2017, GOOLOO car jump starter stood out and won this Award, which enjoys the reputation of “Oscar of the design world” after a fierce competition with thousands of entries from all over the world. GOOLOO FLAGSHIP GP4000 JUMP STARTER ENRICH YOUR DRIVING LIFEThe display screen on the GP200 is incredibly helpful. It shows you the exact amount of charge remaining, first of all, so there’s no guesswork in the timing. In addition, it displays warnings if you switch the clamps or have an otherwise faulty connection.