{"product_id":"gooloo-4000-amp-jump-starter-gt4000s-compact-100w-fast-charger","title":"GOOLOO 4000 Amp Jump Starter GT4000S - Compact 100W Fast Charger","description":"\u003cp\u003eIn this review of the GOOLOO GT4000S jump starter the bottom line is simple: it is aimed at drivers who want a compact, high-output emergency starter that also doubles as a fast power bank. The most convincing reason to buy is the combination of a 4000A peak cranking boost and the unique 100W fast-charging capability that refills the unit from 0% to 100% in about 1.2 hours, making it practical for frequent use and road trips. For anyone who values quick recharge, multi-function utility and clear status feedback, this unit stands out.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e4000A Peak Cranking:\u003c\/strong\u003e Delivers the power to start most 12V vehicle engines up to 12.0L gasoline or 10.0L diesel in a few seconds, reducing the need for roadside help.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100W Fast Charging:\u003c\/strong\u003e Includes a 100W car charger that restores the jump starter from zero to full in about 1.2 hours and can provide a five-minute boost to start a car.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMultiport Power Bank:\u003c\/strong\u003e Three USB ports and a Type-C 100W output let users charge laptops and phones as fast as their original adapters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInformative LED Screen:\u003c\/strong\u003e A 3.2-in LED display clearly shows battery status and helps the user know when it is safe to attempt a jump-start.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-in Safety Protections:\u003c\/strong\u003e Ten protection technologies minimize the risk of misoperation, sparks, and battery damage during jump-starts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccessory Ready:\u003c\/strong\u003e Comes with heavy duty jumper cables, a 15V\/10A DC output for inflators and other devices, and a bright 400-lumen flashlight for roadside use.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThe GT4000S is for drivers who want a reliable, portable solution to dead batteries and need rapid recharge between uses. It fits well in trunks or larger glove boxes and appeals to those who also want a powerful power bank to charge laptops and phones on the go.\u003c\/p\u003e\u003cp\u003eIt is less appropriate for users who rarely drive long distances and prefer the lowest-cost basic booster, or for professional heavy-duty commercial fleets that require industrial-grade jump systems with higher continuous-duty ratings.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eVery fast recharge with the included 100W car charger, making repeated use practical.\u003c\/li\u003e\n\u003cli\u003eHigh starting power in a compact package, capable of handling large gasoline and diesel engines.\u003c\/li\u003e\n\u003cli\u003eVersatile outputs including Type-C 100W and a 15V\/10A port so it doubles as a laptop-capable power bank.\u003c\/li\u003e\n\u003cli\u003eClear 3.2-in LED screen and multiple protections improve ease of use and safety.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSome users report mixed opinions on build feel and long term battery longevity compared with heavy-duty industrial units.\u003c\/li\u003e\n\u003cli\u003eIt is a premium multi-function unit, so cost and complexity may exceed what a casual driver needs.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak Cranking Power\u003c\/td\u003e\n\u003ctd\u003e4000A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEngine Compatibility\u003c\/td\u003e\n\u003ctd\u003eUp to 12.0L gasoline \/ 10.0L diesel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFast Charge Time\u003c\/td\u003e\n\u003ctd\u003eAbout 1.2 hours with included 100W car charger\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJump Starts per Charge\u003c\/td\u003e\n\u003ctd\u003eUp to 60 starts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisplay\u003c\/td\u003e\n\u003ctd\u003e3.2-in LED screen\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutputs\u003c\/td\u003e\n\u003ctd\u003eType-C 100W, three USB ports, 15V\/10A DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLight\u003c\/td\u003e\n\u003ctd\u003e400 lumen flashlight (SOS, spotlight, strobe)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe GOOLOO GT4000S is a strong choice for drivers who want a compact but powerful jump starter that recharges quickly and doubles as a true 100W power bank. Its combination of fast recharge, multiple outputs and safety features makes it good value for anyone who regularly travels or needs reliable emergency starting power, though buyers seeking a simple low-cost booster or an industrial worksite unit should look elsewhere.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eHow quickly will this unit recharge?\u003c\/strong\u003e\u003cbr\u003eThe included 100W car charger charges the unit from 0% to 100% in about 1.2 hours.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow many times can it jump-start a car on a full charge?\u003c\/strong\u003e\u003cbr\u003eA single full charge can provide up to about 60 jump-starts depending on conditions and engine size.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan it charge a laptop?\u003c\/strong\u003e\u003cbr\u003eYes, the Type-C 100W output can charge compatible laptops at speeds comparable to their original adapter.\u003c\/p\u003e","brand":"GOOLOO","offers":[{"title":"Default Title","offer_id":46483788693723,"sku":"B0BF94WPW3","price":199.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71Ly-QOYlHL._AC_SL1500.jpg?v=1739295516","url":"https:\/\/gearmusthave.com\/products\/gooloo-4000-amp-jump-starter-gt4000s-compact-100w-fast-charger","provider":"GearMustHave","version":"1.0","type":"link"}