NOCO Boost GB40 12V 1000A UltraSafe Portable Lithium Jump Starter | Spark-Proof + Reverse Polarity Protection - Power Bank -

About this product

The NOCO Boost GB40 is a compact 1000-amp lithium jump starter built to boost gas engines up to 6.0L and diesel engines up to 3.0L. It incorporates spark-proof technology and reverse-polarity protection for safe operation, alongside a built-in LED flashlight and USB charging port. It suits everyday motorists wanting self-reliant roadside emergency preparation without bulky cables.

Best for

Drivers seeking portable emergency jump-starting for standard vehicles

What works well

• ✓Spark-proof and reverse polarity protections prevent accidental missteps during setup
• ✓Compact footprint fits easily inside a standard glove box
• ✓Doubles as an emergency flashlight and portable device charger

Worth knowing

• iShort clamp cables make positioning difficult on awkward battery layouts
• iRecharges slowly via older micro-USB rather than modern USB-C

Bottom line

A smart safety investment for daily commuters, though owners of large trucks should opt for more amperage.