NOCO Boost GB50 1500A 12V Lithium Jump Starter — UltraSafe, USB-C Rechargeable, 200-Lumen Light

The NOCO Boost GB50 is a compact 1500-amp 12V lithium jump starter designed to safely revive dead batteries and serve as a portable power bank.

Small enough to store in a glovebox but rugged enough for roadside emergencies, the GB50 delivers high-discharge lithium performance for cars, trucks, SUVs, boats, and motorcycles. Built with UltraSafe technology, the unit prevents sparks and wrong-polarity hookups while offering an integrated 200-lumen flashlight and USB-C rechargeability. It’s engineered for repeated use—up to 30 starts per charge for recommended engine sizes—and packaged with heavy-duty clamps, a USB-C cable, and a microfiber bag.

How quickly will the GB50 start a dead vehicle?

The GB50 produces 1500 peak amps, enabling near-instant starts for most 12V vehicles within its rated engine sizes. It’s optimized to deliver a strong burst of current that gets engines turning without prolonged cranking.

• 1500 amps peak lithium power for fast starts.
• Rated for gasoline engines up to 7.0L and diesel up to 4.5L.
• Delivers up to 30 starts per full charge under recommended conditions.
• High-conductivity clamps for efficient energy transfer.

Is the GB50 safe and easy to use when I’m roadside at night?

Yes — UltraSafe circuitry prevents sparks and guards against reverse polarity, reducing the chance of user error. The built-in 200-lumen LED flashlight with seven modes (including SOS and strobe) improves visibility and safety during nighttime jump starts or roadside repairs.

• Spark-proof connections and reverse polarity protection for mistake-proof use.
• 200-lumen LED with multiple modes for illumination and signaling.
• Rubberized over-molded casing and IP65 rating for weather resistance.
• Compact form factor fits in glove compartments and emergency kits.

Can I use the GB50 as a power bank for devices?

The GB50 doubles as a USB power bank so you can recharge phones, tablets, and other USB devices when needed. It uses USB-C charging for the internal battery and includes a USB-C cable for replenishing the unit in about five hours from a suitable charger.

• USB-C port supports recharging the GB50 and powering devices.
• Fast recharge time—approximately 5 hours from compatible chargers.
• Reliable emergency power for smartphones, GPS units, and tablets.
• Integrated storage bag keeps cables and clamps organized.

How durable is the GB50 for outdoor and rough use?

The GB50’s enclosure is built to endure daily knocks, dust, and light water exposure, making it suitable for outdoor adventures and work vehicles. The rugged housing, protective over-mold, and heavy-duty clamps ensure consistent performance even after repeated handling.

• IP65-rated housing resists dust and water spray.
• Rubberized over-mold protects against drops and impacts.
• High-discharge lithium cells maintain power output in a compact 2.7 lb package.
• Comes with a microfiber storage bag and protective strap for transport.

Who is this for: The NOCO Boost GB50 is ideal for drivers who want a compact, dependable jump starter that fits in a glovebox or trunk—commuters, road-trippers, boat owners, motorcyclists, and fleet operators who need rapid, safe starts and occasional device charging. If you prioritize safety features like spark suppression and reverse-polarity protection combined with a robust flashlight and weather-resistant housing, the GB50 delivers practical, portable power for everyday emergencies and outdoor use.