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NOCO Boost Plus GB40 Ultra Safe Battery Jump Starter For Cars

Last updated: August 24, 2023


This multi-functioning device is a 12-volt battery jump starter for cars, a portable power bank and an LED flashlight. It is small but mighty, and it can jump start your car in seconds without sparking.

We looked at the top Battery Jump Starters For Cars and dug through the reviews from some of the most popular review sites. Through this analysis, we've determined the best Battery Jump Starter For Cars you should buy.

Product Details

Key Takeaway: This is a great tool to have on hand in case of emergencies.

In our analysis of 49 expert reviews, the NOCO Boost Plus Ultra Safe Battery Jump Starter For Cars placed 3rd when we looked at the top 10 products in the category. For the full ranking, see below.

From The Manufacturer

Start Dead Batteries. Safely jump start a dead battery in seconds with this compact, yet powerful, 1000-amp portable lithium car battery jump starter pack – up to 20 jump starts on a single charge – and rated for gasoline engines up to 6 liters and diesel engines up to 3 liters. UltraSafe. Safe and easy to use car battery jump starter pack without the worry of incorrect connections or sparks. Safely connect to any 12-volt automotive car battery with our mistake-proof design featuring spark-proof technology and reverse polarity protection. Multi-Function. It’s a car jump starter, portable power bank, and LED flashlight. Recharge smartphones, tablets, and other USB devices. It’s easily rechargeable from any powered USB port in 3 hours at 2.1-amps. Plus, an integrated 100-lumen LED flashlight with seven light modes, including emergency strobe and SOS. Advanced Design. Our most advanced portable car battery jump starter ever. Featuring high-discharge lithium technology for safe operation in any climate. A rugged and water-resistant enclosure rated at IP65. A rubberized over-molded casing to prevent scratching or marring of surfaces. And an ultra-compact and lightweight design weighing just 2.4 pounds. In The Box. GB40 UltraSafe Portable Lithium Car Battery Jump Starter Pack, Heavy-Duty Battery Clamps, 12-Volt Car Charger, Micro USB Charging Cable, Microfiber Storage Bag, User Guide, 1-Year Warranty, and Designed in the USA.

Expert Reviews


What reviewers liked

Reassuringly, safety is at the heart of this jump starter — including tried and tested spark-proof connections to prevent unwanted and dangerous ignition of oils and fuels. And, featuring a reliable reverse polarity protector — there’s no fear of damage if you (or more likely, your partner) attach the unit to the wrong terminals.
The energy is provided by the built-in lithium-ion battery, allowing the NOCO Boost Plus GB40 to start 6.0-liter gas and 3.0-liter diesel engines up to 20x per single battery charge. Also, NOCO Boost Plus GB40 may be used as an emergency flashlight and for charging devices via USB port, like tablets, smartphones, and other similar devices.

What reviewers didn't like

May lack sufficient grunt for more-heavy duty applications — such as driving power inverters or tire inflators.
View our Battery Jump Starter For Cars buying guide for in-depth advice and recommendations.

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