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Transportable bounce starters just like the NOCO GB40 present the comfort of on-demand energy when your battery dies. As a substitute of ready on a good friend with jumper cables or for roadside help, you pop the hood, hook the unit to your battery, and hearth up your automobile. Transportable bounce starters, just like the NOCO GB40, are additionally nice for winter emergency kits and prolonged street journeys.
Formally referred to as the NOCO Increase Plus GB40, the 1,000-amp unit accommodates almost all lead-acid automobile batteries, most gasoline engines, and smaller diesel powertrains. It’s simple to retailer as the whole unit with clamps and equipment is underneath 2.5 lbs. An built-in 100-lumen flashlight, built-in charging financial institution, and useful security options make the GB40 an excellent worth for its $100 price ticket.
Right here we are going to cowl the principle options of the NOCO GB40 in case you are available in the market for a conveyable bounce starter.
NOCO GB40 In-Depth: What It Provides
The GB40 comes with removable heavy-use clamps, a 40-inch micro USB cable for charging, a 12V 2.1-amp USB automobile charger, an proprietor’s handbook, and a microfiber storage bag. The GB40 is barely partially charged out of the field, so NOCO recommends totally charging it earlier than use. Utilizing the included micro USB cable and a USB wall charger, our GB40 took about three hours to cost totally. In response to NOCO, the GB40 can present as much as 20 bounce begins on a full cost in preferrred circumstances.
The GB40 has a 24-watt-hour lithium-ion inner battery with pure convection cooling. In the meantime, the rubber housing covers for the 12V and USB retailers have an IP65 score to guard in opposition to mud and water. NOCO engineered the GB40 to resist temps as little as -4°F (-20°C) and as excessive as 122°F (50°C).
Battery & Car Compatibility
The NOCO GB40 will bounce numerous lead-acid batteries, together with moist cell, gel, maintenance-free, enhanced flooded, and absorbed glass mat (AGM) batteries. Given the big selection of lead-acid battery compatibility, the GB40 is appropriate for a overwhelming majority of autos on the street at the moment, whether or not model new or gently used. The GB40 will deal with fuel engines as much as six liters, which covers a large swath of half-ton vehicles and each small to midsize SUV. Likewise, the GB40 will convey a smaller diesel mill (as much as three liters) to life on a chilly day.
It’s additionally useful across the storage or shed to leap any useless garden and backyard batteries. In case you go tenting or hit the paths, the GB40 can be utilized for nearly any RV, marine, four-wheeler, or snowmobile battery too.
Precision Clamps & Jumper Cables
One of many GB40’s high options is the removable heavy-duty clamps (listed as “precision clamps” on the spec sheet). The shark-style, spark-proof design permits the clamp to chew down on batteries and terminals of various styles and sizes. The one potential draw back is the comparatively brief size of the cables, which is likely to be inconvenient relying on the place your battery is situated underneath the hood (though the shorter cables make for simpler storage).
Built-in Flashlight
On the GB40’s proper financial institution is a 100-lumen flashlight (the bulbs are nestled on either side of the 12V outlet for the jumper cables). Hit the lightbulb button on the unit to entry seven completely different modes, together with an SOS beacon and emergency strobe. The constant-on modes have three completely different brightness settings, from increased to decrease.
Whereas the comfort and security features of the flashlight are in all probability obvious, we did have event right here on the workplace to make use of it throughout a day snowstorm. Proper across the time we acquired our GB40, the Detroit metro was hit with a storm that produced ice and heavy winds, pulling down bushes and powerlines. We used the flashlight to stroll down the steps earlier than heading out.
Charging Financial institution
That night time, after we bought dwelling, the GB40’s USB charging port got here in useful. On the unit’s left facet are two 5V, 2.1A ports: USB In for charging the GB40 and USB Out for charging units like tablets and telephones. The built-in charging financial institution makes the NOCO GB40 extra versatile and opens up different potential makes use of for the unit past leaping batteries.

Battery Administration System
The GB40 is constructed on a proprietary software program platform identified internally at NOCO because the Battery Administration System, or BMS. As described by NOCO, the BMS is accountable for key security options and making a “mistake-proof” product for purchasers. With the BMS, the GB40 solely outputs when it acknowledges its cables are appropriately hooked up to a battery. For instance, in case you by chance connect with the improper terminal (reverse polarity), the GB40 won’t activate. Equally, if the polarity is right, however one of many clamps is unfastened, the BMS prevents the GB40 from delivering energy.
With a correct connection, the white 12V LED mild will illuminate on high of the unit. The GB40 will make an audible click on, indicating that leaping the battery is protected.
Moderately than hitting every part it connects to at full blast, the NOCO GB40 solely delivers the juice required by the battery needing a bounce. Primarily, it may well inform the distinction between a lawnmower battery and a truck battery and modify its energy supply accordingly.
Is The NOCO GB40 Value The Cash?
The compact, safety-focused design mixed with the flashlight and charging financial institution make the NOCO GB40 a winner. Whereas a useless automobile battery might occur solely sometimes, the GB40 is one thing you’d quite have and never want than want and never have. If you need a conveyable bounce starter in your emergency package, the GB40 is an efficient choose. NOCO has extra highly effective models obtainable, however the GB40 will suffice for many automobile house owners, and it’s priced fairly for its efficiency.
We additionally personal a 1200A Shell Transportable Soar Starter, however the NOCO GB40 feels extra sturdy with its arduous protecting casing, and the interior battery seems to last more. Our Shell remains to be an excellent unit, and we nonetheless plan to make use of it, however the GB40 is a welcome addition to our workplace storage. As of this writing, the NOCO GB40 is obtainable on Amazon for $100.
Carl Anthony is Managing Editor of Automoblog and a member of the Midwest Automotive Media Affiliation and the Society of Automotive Historians. He serves on the board of administrators for the Ally Jolie Baldwin Basis, is a previous president of Detroit Working Writers, and a loyal Detroit Lions fan.
Images: Alex Hartman.