NOCO
NOCO Boost GB40 12V 1000A UltraSafe Portable Lithium Jump Starter
Highlights
- 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 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 2.5 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.
- WHAT’S 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.
Why You'll Love It
- Jump-start dead 12V batteries with up to 20 starts per charge
- Safely connect clamps without fear of sparks or backward terminal hookups
- Power phones and tablets quickly while on the road using the USB port
- Work in the dark using a 100-lumen flashlight with SOS and strobe settings
- Stow the compact 2.5-pound unit easily inside your vehicle glove box
- Resist dust, water, and rough handling with an IP65 rubberized exterior
Pros
- +Spark-proof reverse polarity protection
- +Compact 2.5-pound portable design
- +Built-in 100-lumen multi-mode flashlight
- +Fast 3-hour recharge time
- +Rugged IP65 water-resistant housing
Cons
- -Engine size capped at 6.0L gas and 3.0L diesel
- -Only works with 12V battery systems
Detailed Review
The NOCO Boost GB40 is a portable lithium-ion jump starter designed to revive dead 12V vehicle batteries without relying on another car. It provides 1000 peak amps to handle gasoline engines up to 6.0 liters and diesel engines up to 3.0 liters. Drivers who want independent roadside readiness will find it a dependable addition to their vehicle emergency gear.
Safety and convenience are central to its operation. The unit features built-in reverse polarity and spark-proof protection, preventing accidental short circuits even if you connect the clamps to the wrong battery terminals. Beyond starting vehicles, it doubles as a portable power bank to recharge smartphones or tablets, and it recharges fully in 3 hours via USB-C.
The physical build is suited for tough environments, featuring a rugged IP65-rated housing with rubberized over-molding that resists dust and water. At 2.5 pounds, it easily fits inside a glove compartment or emergency kit. An integrated 100-lumen LED light includes seven distinct modes, such as SOS and emergency strobe, making nighttime vehicle checks straightforward.
Keep in mind that this unit is restricted to 12V electrical systems and will not accommodate larger gas engines over 6.0 liters or diesels over 3.0 liters. Drivers operating large commercial trucks or heavy industrial equipment will need a higher-capacity starting unit.
Verdict: The NOCO GB40 is an excellent investment for everyday drivers, commuters, and road-trippers seeking a compact, safe emergency jump starter. If your vehicle falls within the 6.0L gas or 3.0L diesel limits, it delivers reliable portable starting power and useful device charging in a rugged package.
Specifications
- Peak Current: 1000 Amps
- Voltage: 12V
- Engine Limits: Up to 6.0L gas, up to 3.0L diesel
- Weight: 2.5 lbs
- Recharge Time: 3 hours
- Flashlight Brightness: 100 lumens (7 modes)
- Water/Dust Ingress Rating: IP65
- Warranty: 1 year
Who Should Buy It
A great fit if you:
- Drive a passenger vehicle with up to a 6.0L gas or 3.0L diesel engine.
- Want a foolproof jump starter with built-in reverse polarity and spark protection.
- Need a compact backup battery that charges USB devices and fits in a glove box.
- Value an all-in-one emergency tool with an integrated multi-mode work light.
Consider something else if you:
- Need to jump-start large diesel engines exceeding 3.0 liters.
- Operate 24V or non-12V vehicle electrical systems.
FAQ
What engine sizes can the NOCO GB40 jump-start?
It is rated to jump-start gasoline engines up to 6.0 liters and diesel engines up to 3.0 liters on 12V battery systems.
How many jump starts does it provide on a full charge?
It provides up to 20 jump starts on a single charge.
How long does it take to recharge the jump starter?
The internal lithium battery recharges in 3 hours using the included USB-C charging cable.
What accessories come in the box?
The package includes the GB40 jump starter, heavy-duty battery clamps, a USB-C charging cable, and a microfiber storage bag.
Product Details
| Brand | NOCO |
| ASIN | B015TKUPIC |
