NOCO Boost GB20 500A UltraSafe Jump Starter 12V Lithium Battery Booster Pack Portable Jump Box Power Bank Jumper

The NOCO Boost GB20 is a compact yet powerful 500-amp lithium jump starter designed to safely jump start a dead car battery in seconds—perfect for cars, trucks, motorcycles, ATVs, boats, SUVs, vans, and more. This portable car battery jump starter delivers up to 20 jump starts on a single charge and is rated for gasoline engines up to 4.0 liters. Engineered with UltraSafe Technology, it features spark-proof connections and reverse polarity protection, making it a safe and mistake-proof car battery booster for any 12-volt vehicle. It doubles as a portable USB-C power bank for charging smartphones, tablets, and other devices when it matters most, and includes an integrated 100-lumen LED flashlight with seven light modes, including SOS and emergency strobe—ideal for night use, roadside visibility, or emergencies. With an ultra-compact, rugged design, IP65-rated enclosure, and rubberized over-molded casing, this battery jump starter pack is built tough to withstand water, dust, drops, and rough handling. The GB20 includes heavy-duty jumper cables, a USB-C charging cable, and a microfiber storage bag, all backed by a 1-year warranty and proudly designed in the USA. Whether you’re looking for a car jump starter, battery jump box, jumper pack, power pack jump starter, or a reliable jump starter battery pack to keep in your glovebox, the GB20 delivers unmatched performance, trusted durability, and peace of

Highlights: START DEAD BATTERIES — Instantly start dead batteries with 500 amps of peak lithium power. Up to 20 starts per charge on engines up to 4.0L gas. 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 2.4 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. WHAT’S IN THE BOX — GB20 jump starter, heavy-duty clamps, USB-C charging cable, and microfiber storage bag. Backed by a 1-year warranty and engineered in the USA.

What you can expect: START DEAD BATTERIES — Instantly start dead batteries with 500 amps of peak lithium power. Up to 20 starts per charge on engines up to 4.0L gas. 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 2.4 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. WHAT’S IN THE BOX — GB20 jump starter, heavy-duty clamps, USB-C charging cable, and microfiber storage bag. Backed by a 1-year warranty and engineered in the USA.

Customer feedback: 4.6/5 average rating.

Customers say: Customers find the jump starter reliable, working well on their first use and starting cars easily.

Review snippets: Works really well! Light weight. Easy to use. I love the storage bag it comes with. I’ll be getting another one for our other car & one for my mom just in case! 10/10 Read more / I’ve used the NOCO Boost GB20 twice now, and both times it saved me from what could’ve been costly and time-consuming situations. Instead of calling a tow truck or waiting around for someone with jumper cables, I was back on

From the brand Previous page Shop Jump Starters Visit the Store Shop Battery Chargers Visit the Store Shop Lithium Batteries Visit the Store Shop Accessories Visit the Store Established in 1914, NOCO designs and creates premium consumer battery chargers, jump starters, lithium batteries, and a wide range of accessories. Through these world-class offerings, we have effectively set a new standard in design, performance, and safety. We aim to make exceptional products that provide consumers with the ultimate experience. We challenge conventionality and remain vigilant to the highest quality standards. We are NOCO. Next page