ULTRASAFE TECHNOLOGY — Engineered with patented spark-proof and reverse polarity protection for foolproof connections to any 12V vehicle - no sparks, no wrong connections.
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NOCO Boost GB40: The UltraSafe and Compact Jump Starter

Dive into the world of peace of mind with the NOCO Boost GB40, a powerhouse designed to revive dead batteries with an impressive 1000 amps of peak lithium power. Its UltraSafe technology ensures spark-proof and reverse polarity protection, guaranteeing foolproof connections to any 12V vehicle without the worry of sparks or wrong connections.

Not only does this versatile device offer reliable battery starting capabilities for engines up to 6.0L gas and 3.0L diesel, but it also functions as a portable power bank. When you find yourself in an emergency without access to electricity, the integrated power bank delivers essential power to smartphones, tablets, and other devices. And with a quick 3-hour recharge time, it’s ready when you need it most.

In dark or emergency situations, the GB40’s integrated LED flashlight shines brightly, featuring 7 light modes including SOS and strobe to help illuminate repairs or low-light environments. This compact yet powerful jump starter weighs only 2.5 lbs, making it easy to store in your glove box or emergency kit.

Built tough with an IP65-rated housing and rubberized over-molding, the GB40 is protected against water, dust, and impact for long-lasting durability. High-conductivity clamps ensure maximum energy transfer to your vehicle’s battery, making it easier to get back on the road faster.

The NOCO Boost GB40 comes complete with heavy-duty clamps, a USB-C charging cable, and a microfiber storage bag. Backed by a 1-year warranty and engineered in the USA, this compact powerhouse is a must-have addition to your vehicle’s emergency kit.

  • 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 its 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.
  • BUILT TOUGH Rugged IP65-rated housing with rubberized over-molding protects against water, dust, and impact. Includes high-conductivity clamps for maximum energy transfer.
  • WHATS IN THE BOX GB40 jump starter, heavy-duty clamps, USB-C charging cable, and microfiber storage bag. Backed by a 1-year warranty and engineered in the USA.

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