Compared across 18 stores. Prices are checked against each store and labelled with when.
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The NOCO Boost GB40 is a pocket-sized lithium jump starter rated at 1,000 amps peak, enough for gas engines up to 6.0L and diesel up to 3.0L. It clamps directly to the battery with no second vehicle needed, and UltraSafe circuitry makes the clamps spark-proof and reverse-polarity protected. A USB port doubles it as a phone power bank, and it holds charge for months between uses. It suits drivers who want a glovebox backup for a single car; bigger trucks and repeated fleet use call for the higher-amp GB70 or GB150.
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Lowest price we've seen: $99.95 on Nov 15 at NOCO. Tracked across 16 stores since Nov 15.
Owners treat the GB40 as a reliable emergency backup that starts a dead car on the first try and holds charge between uses. Most praise the compact size and simple clamps; complaints center on the short cable and the need to top it up periodically.
The NOCO Boost GB40 is a portable lithium jump starter that restarts a vehicle with a dead battery without a second car. It delivers 1,000 amps of peak current. It starts gas engines up to 6.0L and diesel engines up to 3.0L.
It has UltraSafe technology, which is spark-proof and protects against reverse polarity. Jumper cables are included. A built-in power bank charges phones and other USB devices.
The unit is compact enough to fit in a glove box or go-bag. Its 12V lithium battery holds its charge for months in storage.
