NOCO - Boost GB20: 500A UltraSafe Jump Starter – 12V Portable Lithium Battery Booster Pack – 4.0L Gas
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About This Item
- General
- Brand: NOCO
- Model Number: GB20
- Product Name: NOCO Boost GB20: 500A UltraSafe Jump Starter – 12V Portable Lithium Battery Booster Pack – 4.0L Gas
- Power
- Amperage: 500 (Strength of electrical current.)
- Voltage: 6/12 (Amount of power needed to support an electrical current.)
- Compatible Battery Type: Lead acid, Lithium-ion
- Charger Type: DC
- Auto Shut-Off: true (Feature automatically turns off the product.)
- Dimensions
- Product Height: 4.21 inches (The out of box height of the item. Height is measured as the vertical distance from the bottom of the item to the top as it would be primarily used or placed.)
- Product Width: 8.19 inches (The out of box width of the item. Width is measured as the horizontal distance from one side of the item to the other as it would be primarily used or placed.)
- Product Depth: 4.61 inches (The out of box depth of the item. Depth is measured as the distance from the front of the item to the back as it would be primarily used or placed.)
- Product Weight: 1 pounds (The out of box weight of the item.)
- Cord Length: 1 feet
- Features
- Overload Protection: true (Features intended to protect the product from damage and overheating caused by overload.)
- Product Safety Certifications and Standard(s): RoHS, UL Listed (Lists the applicable certifications and/or standards, as stated by the manufacturer, in which the product has met the requirements for the assurance of quality and safety.)
- Warranty
- Warranty - Parts: 1 year limited
- Warranty - Labor: 1 year limited
- Other
- UPC: 046221150018
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 mind—on the road, off the grid, or wherever your next adventure takes you
- 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.
Whats Included
- GB20 jump starter with clamps, USB-C cable, and storage bag. 1-year warranty. Engineered in the USA.
Q: Can this withstand 130 degree temperatures in my glove box?
A: The recommended storage temperatures are -4F to 122F (-20C to 50C). The Boost should never be stored or operated in temperatures exceeding 176F (80C).
Q: How long does it take for this unit to get charged to be operational?
A: This depends on the amperage of the charger used. The GB20 can fully charge in approx. 3hr @ 2A, 6hr @ 1A, or 12hr @ .5A
Q: Can this start cumming diesel ram
A: No, the GB20 is designed for starting vehicles with gasoline engines up to 4.0L, it is not capable of starting diesel engines of any size. The following BOOST and BOOST X Models are designed for diesel engines: GB40 - up to 6.0L gasoline engines, up to 3.0L diesel engines GBX45 - up to 6.5L gasoline engines, up to 4.0L diesel engines GB50 - up to 7.0L gasoline engines, up to 4.5L diesel engines GBX55 - up to 7.5L gasoline engines, up to 5.0L diesel engines GB70 - up to 8.0L gasoline engines, up to 6.0L diesel engines GBX75 - up to 8.5L gasoline engines, up to 6.5L diesel engines GB150 - up to 9.0L gasoline engines, up to 7.0L diesel engines GBX155 - up to 10.0L gasoline engines, up to 8.0L diesel engines GB250+ - 16.0L+ gasoline and diesel engines GB251+ - 32.0L+ gasoline and diesel engines GB500+ - 45.0L+ gasoline and diesel engines
Q: Does it have an air compressor for your tires as well
A: No, the GB20 is solely a Jump Starter and does not have air compressor capabilities. Please see the NOCO AX65 instead, as that is our combination Jump Starter + Air Compressor model.
Q: It is safe for transport on comercial flights ?
A: The GB20 is FAA-compliant and can be taken on a plane in your carry-on luggage. No lithium batteries are allowed to be checked in luggage. This Boost model is under 100Wh, the limit set by the FAA. We also recommend contacting the airline you are flying with to see if they have any additional restrictions. ** TSA has the ability to deny any item they deem unsafe at the time of check-in with airport security, regardless of the FAA regulations.
Reviews
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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 mind—on the road, off the grid, or wherever your next adventure takes you
The GBX45 Boost X is a new class of portable lithium jump starters—engineered for extreme performance and rated at 1,250 amps to start gas engines up to 6.5 liters and diesel engines up to 4.0 liters. Featuring our upgraded UltraSafe 2.0 technology, it offers spark-proof connections and reverse polarity protection, now with enhanced thermal efficiency and power management for even greater safety and battery life. Designed with a high-voltage output system, the GBX45 includes an integrated 60-second timer to conserve energy—delivering up to 6 jump starts per charge with maximum power on every start. Even if completely depleted, it can gain enough power for a jump start in just 5 minutes or fully recharge in only 48 minutes via USB-C Power Delivery. A 60-watt USB-C port provides both input and output, turning Boost X into a high-performance power bank for fast charging phones, tablets, laptops, and other USB-C devices. A precision-engineered 100-lumen LED flashlight features seven modes, including SOS and strobe, to light up dark workspaces or help in roadside emergencies. The GBX45 jump starter comes complete with heavy-duty jumper clamps, a USB-C charging cable, and a microfiber storage bag, all backed by a 1-year limited warranty and proudly engineered 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 GBX45 delivers unmatched performance, trusted durability, and peace of mind—on the road, off the grid, or wherever your next adventure takes you.
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This WOLFBOX JS24 car jump starter provides up to 4000A peak current and 24000mAh high capacity. It can safely start gas and diesel engines. Works on all (12 volt) cars, trucks, boats and large vehicles, meanwhile it is very portable. The JS24 battery jump starter works with a smart jumper clip to provide 10 safety protections to ensure safe use. The JS24 car jump starter power supply contains an LED screen that clearly displays all status indicators of the portable car jump starter power supply. You can easily identify the current status of your emergency power source and provide seamless access to all functions. This JS24 car jumper is also equipped with 1*65W Type-C input/output port and 1*QC 3.0 USB-A port, which can save 50 when charging your mobile phone, tablet, Kindle or digital camera 50% time. Tips：A 65W charging plug needs to be purchased separately.
| Pros for NOCO - Boost GB20: 500A UltraSafe Jump Starter – 12V Portable Lithium Battery Booster Pack – 4.0L Gas | |||
|---|---|---|---|
| There were no pros for this product— | There were no pros for this product— | There were no pros for this product— | Overall Performance, Ease of Use, Size, Charging Speed, Battery Life |
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