The best jump starter for most people is the NOCO Boost GB40 — a compact 1000-amp lithium pack that starts a dead battery in seconds and doubles as a USB power bank and flashlight. A portable jump starter means you never have to flag down a stranger or wait on roadside assistance when your battery dies — you connect it, start the car, and drive off. Below are the best jump starters we’d actually keep in the trunk — every one confirmed in stock.
How we chose the best jump starters
Every pick was scored against the same criteria, and we confirmed each product is currently in stock on Amazon before including it:
- Real-world quality — materials, construction, and durability, not marketing claims.
- Fit for purpose — sound design and the right fit for the job each product is meant to do.
- Value across budgets — from a solid budget pick to a premium best-in-class option.
- Owner consensus — thousands of verified reviews and Amazon’s Choice standing, cross-checked against known failure points.
Jump starters: the 2 best, compared
The 2 best jump starters, ranked
1NOCO Boost GB40 1000A Jump Starter Best overall
A compact, spark-proof 1000-amp lithium jump starter that safely starts gas engines up to 6.0L and diesel up to 3.0L — with reverse-polarity protection so you can’t hook it up wrong, up to 20 jumps per charge, a built-in 100-lumen LED flashlight, and USB charging for your phone. Small enough for the glovebox, powerful enough for most cars, trucks, and SUVs. The jump starter most people should buy.
- START DEAD BATTERIES — Instantly start dead batteries with 1000 amps of peak lithium power. Up to 20 starts per charge on engines up to 6.0L gas and 3.0L diesel.
- ULTRASAFE TECHNOLOGY — Engineered with patented spark-proof and reverse polarity protection for foolproof connections to any 12V vehicle - no sparks, no wrong connections.
- PORTABLE POWER BANK — Integrated power bank delivers emergency power to smartphones, tablets, and more. Recharges in 3 hours so it’s ready when it matters most.
- INTEGRATED LED FLASHLIGHT — Precision-engineered 100-lumen LED with 7 light modes, including SOS and strobe. Illuminate repairs, emergencies, or low-light environments.
- COMPACT YET POWERFUL — High-discharge lithium technology delivers exceptional starting performance in a compact 2.5 lb form factor - perfectly sized for glove boxes and emergency kits.
2GOOLOO GP4000 4000A Jump Starter Best for big engines
A high-output 4000-amp pack that jumps all gas engines and diesels up to 10.0L — the pick if you drive a big truck, diesel, or want maximum reserve. Restarts most vehicles 60+ times per charge, has a “boost” button for deeply dead batteries, a bright LED work light, and USB-C fast charging so it works as a rugged power bank too. More muscle than a daily driver needs, but reassuring for heavy vehicles.
- Powerful and Reliable Car Battery Jump Starter - The 4000 amp booster pack jump starter is capable of quickly jump-starting a dead car battery. Even if the battery voltage is extremely low, simply pressing the "BOOST" button will forcefully restart the car. The GOOLOO car battery charger jump starter can effectively start all gasoline engines and diesel engines up to 10.0L within mere seconds. This versatile device is compatible with 12v vehicles, motorcycles, pickup trucks, RVs, tractors, trucks, cargo vans, ATVs, snowmobiles, yachts, and various other vehicles
- Massive Capacity Portable Charger - The GP4000 car battery charger jump starter boasts an immense capacity and offers dual USB charging output ports (one supporting fast charging) along with a USB Type-C charging port (5V/3A). This versatile power source enables you to charge other devices or recharge the jump starter itself. Its compact design ensures high portability, making it capable of efficiently charging various portable devices such as smartphones, tablets, cameras, GPS systems, and more
- Emergency Life Saver - The GOOLOO GP4000 car jump starter provides quick vehicle jump-starting capabilities, ensuring that you're not stranded and exposed to potential dangers for an extended period of time. With a full charge, it can jump-start most vehicles over 60 times, offering reliable assistance in emergency situations (JUMPCORE Technology)
- Safety & Quality Metal Clamps - The GOOLOO booster pack jump starter is equipped with 10 different types of built-in protection, alleviating concerns about misuse and sparks (SUPERSAFE technology). Our primary objective was to ensure that users feel completely safe while using our product. The Smart Jumper Cables are designed with durable all-metal clamps to prevent damage that may occur from long-term usage
- Rugged 12V Car Jump Starter - The sturdy construction of hardened plastic and rubber corners ensures that the jump starter can withstand drops without any issues. Additionally, it features a built-in flashlight to provide assistance during vehicle emergencies at night
Jump starters: buyer’s guide & FAQ
How many amps do I need in a jump starter?
How do I use a portable jump starter safely?
Do jump starters lose their charge sitting in the car?
Jump starter or jumper cables — which should I get?
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I spent years as an automotive mechanic and ran my own shop, so I’ve worked hands-on with just about every kind of car-care product, tool, and gadget out there. For Golden’s List, I put that experience into the Auto, Car Care, and Tools rankings — choosing picks on the merits, not the marketing, and making sure every one is actually in stock with a live price before it earns a spot. Meet the whole team →