{"product_id":"gooloo-gt4000-car-jump-starter-4000a-winter-ready-power","title":"GOOLOO GT4000 Car Jump Starter 4000A - Winter-Ready Power","description":"\u003cp\u003eIn this review of the GOOLOO GT4000 car jump starter, the bottom line is simple: this is a compact, feature-rich emergency power pack for drivers who want reliable cold-weather starts and fast recharge. The reviewer found the unit especially useful for owners of larger gasoline and diesel engines because it claims instant starting power for up to 12.0L gasoline and 10.0L diesel engines, and the built-in pre-heating tech designed to work down to -40F makes it a standout for winter use. The clear 3.2-in LED screen and multiple safety protections make operation straightforward for nontechnical users.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCold-start pre-heating:\u003c\/strong\u003e The exclusive pre-heating technology helps ensure reliable starts in extreme cold down to -40F so the vehicle will crank when temperatures drop.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh starting current:\u003c\/strong\u003e With 4000A peak capability the unit is designed to jump-start up to 12.0L gasoline or 10.0L diesel engines, making it suitable for trucks and larger cars in emergencies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast 100W charging:\u003c\/strong\u003e The included 100W car charger can recharge the pack from empty to full in about 1.2 hours and a five-minute top-up can provide enough energy to start a vehicle.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMultiport power bank:\u003c\/strong\u003e Three USB outputs including a PD100W Type-C port and a Quick Charge port let you charge laptops and phones while away from mains power.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable weather resistance:\u003c\/strong\u003e An IP65 water-resistant rating, 94V0 flame-retardant enclosure and rugged rubber shell protect the unit during roadside use and light exposure to elements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated LED light:\u003c\/strong\u003e A 400-lumen light with spotlight, strobe and SOS modes provides hands-free illumination for night roadside repairs or signaling.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThe GT4000 is aimed at drivers who need a dependable, portable jump starter that performs in harsh weather and can handle large engine displacements; owners of trucks, SUVs and boats with gasoline or diesel engines will appreciate the high peak amperage and cold-weather pre-heat. It also suits travelers and tradespeople who want a compact power bank that can charge laptops and run accessories such as tire inflators via the 15V\/10A port.\u003c\/p\u003e\u003cp\u003eThose who should look elsewhere include buyers seeking ultra-lightweight micro jump starters for very small cars or urban commuters who never drive in extreme cold; likewise, if you require a unit with sealed maintenance-free replaceable batteries or a simpler single-function booster, a more basic model may be a better fit.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eReliable cold-weather performance thanks to dedicated pre-heating technology and robust peak current for large engines.\u003c\/li\u003e\n\u003cli\u003eFast recharge from the included 100W charger and a PD100W Type-C port that doubles as laptop charging.\u003c\/li\u003e\n\u003cli\u003eMultiple safety protections and a clear 3.2-in LED screen make jumps safer and easier for nonexperts.\u003c\/li\u003e\n\u003cli\u003eDurable IP65 water-resistant, flame-retardant body and a bright 400-lumen light add real-world utility.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSome customers report mixed charge-rate behavior and occasional variability in charging performance under different conditions.\u003c\/li\u003e\n\u003cli\u003eThe unit is more feature-rich and heavier than the smallest pocket jump starters, which may be overkill for very small cars.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak Current\u003c\/td\u003e\n\u003ctd\u003e4000A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEngine Support\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\u003eDisplay\u003c\/td\u003e\n\u003ctd\u003e3.2-in LED screen\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFast Charge\u003c\/td\u003e\n\u003ctd\u003e100W car charger, 0% to 100% ~1.2 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Ports\u003c\/td\u003e\n\u003ctd\u003ePD100W Type-C, Quick Charge, 5V\/2.4A USB, 15V\/10A port\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLight\u003c\/td\u003e\n\u003ctd\u003e400-lumen LED with SOS\/spot\/strobe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDurability\u003c\/td\u003e\n\u003ctd\u003eIP65 water-resistant, 94V0 flame-retardant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe GOOLOO GT4000 is a well-rounded jump starter that delivers powerful cold-start capability and versatile charging in a single package, making it good value for drivers who face winter conditions or need laptop-capable PD charging on the road. It is particularly strong for owners of larger vehicles and anyone who values fast recharge and built-in safety features, though buyers seeking the smallest possible booster may prefer a lighter alternative.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eCan this start diesel trucks?\u003c\/strong\u003e\u003cbr\u003eThe GT4000 is rated to jump-start up to 10.0L diesel engines, so it is suitable for many diesel trucks and larger vehicles.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow fast does it recharge?\u003c\/strong\u003e\u003cbr\u003eWith the included 100W car charger the pack can be recharged from near empty to full in about 1.2 hours and a brief five-minute charge can provide enough energy to start a car.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs it safe to use in winter?\u003c\/strong\u003e\u003cbr\u003eYes, the unit includes a pre-heating technology designed to operate down to -40F and multiple built-in protections to reduce spark and misuse risk.\u003c\/p\u003e","brand":"GOOLOO","offers":[{"title":"Default Title","offer_id":48601577455835,"sku":"B09CPXRKLT","price":159.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/61OU17misLL._AC_SL1500.jpg?v=1778424038","url":"https:\/\/gearmusthave.com\/products\/gooloo-gt4000-car-jump-starter-4000a-winter-ready-power","provider":"GearMustHave","version":"1.0","type":"link"}