Will it start a diesel truck?

Yes. NOCO rates it for diesel engines up to 6 liters and gas engines up to 8 liters, with 2,000 peak amps.

How many jumps do I get per charge?

NOCO claims up to 40 jump starts on a full charge, depending on engine size and conditions.

Does it need to be plugged in to work?

No. It is a self-contained lithium battery pack. It holds its charge for up to a year, so check the indicator light periodically.

Can I charge my phone with it?

Yes, through the USB port at 2.1A. It can also power 12V devices such as tire inflators through the 12V output.

Is it safe if I connect the clamps backwards?

Yes. Reverse polarity protection and spark-proof clamps prevent damage and sparks from a wrong connection.

The best new price found is $199.95 at Best Buy as of November 5, 2026. Jump starters often drop during holiday sales, so compare across the 6 stores listing it.

NOCO GB70 Boost HD 2000A 12V UltraSafe Lithium-Ion Jump Starter

Q: Where is the NOCO GB70 Boost HD 2000A 12V UltraSafe Lithium-Ion Jump Starter cheapest?

At Best Buy, for $199.95, as of our latest check.

Q: Where can I buy the NOCO GB70 Boost HD 2000A 12V UltraSafe Lithium-Ion Jump Starter?

8 stores we checked sell it, including Auto Parts and Stuff, Best Buy, Home Depot, Micro Center, Amazon.

Best price now

$199.95at Best BuyObserved at 10:14 PM

Compared across 6 stores. Prices are checked against each store and labelled with when.

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Our take on the NOCO GB70 Boost HD 2000A 12V UltraSafe Lithium-Ion Jump Starter

The NOCO GB70 Boost HD is a 2,000-amp lithium-ion jump starter pack for 12V vehicles. It is rated to start gas engines up to 8 liters and diesel engines up to 6 liters, and NOCO claims up to 40 jumps per charge. It also works as a power bank with USB output and a 12V port, and has a 400-lumen LED light with seven modes. The best new price is $199.95 at Best Buy as of November 5, 2026, with 6 stores selling it new.

What reviewers say

Owners generally rate the GB70 highly for starting big engines on the first try and for its simple, safe clamps. Complaints center on its size and weight and on the slow USB charging.

What people mention

Starting powerPraisedOwners say it starts large truck and diesel engines without hesitation.
Safety clampsPraisedUsers like that reversed connections do not spark or damage the unit.
Size and weightCriticisedSeveral owners find it bulky and heavy to keep in the vehicle.
Battery retentionPraisedReviewers report it still has charge after months in storage.
USB chargingMixedThe power bank works but charges phones slowly at 2.1A.

About the NOCO GB70 Boost HD 2000A 12V UltraSafe Lithium-Ion Jump Starter

The Gb70 Is a Portable Lithium-Ion Battery Jump Starter Pack That Delivers 2,000-Amps for Jump Starting a Dead Battery Inch Seconds. It Features a Patented Safety Technology That Provides Spark-Proof Connections and Reverse Polarity Protection Making Safe and Easy for Anyone to Use. Its a Powerful Battery Booster That Doubles as a Portable Power Source for Recharging USB Devices, Like a Smartphone, Tablet and More, or Powering 12-Volt Devices, Like a Tire Inflator, Power Inverter and Much More. Designed for a Car, Boat, Rv, Truck and More with Gas Engines Up to 8 Liters, and Diesel Engines Up to 6 Liters.

Features

• Compact, yet powerful lithium jump starter rated at 2,000 amps up to 40 jump starts on a single charge.

• An ultra-safe and mistake-proof design with spark-proof technology and reverse polarity protection, which allows it to safely connect to any battery.

• An ultra-bright 400 lumen LED flashlight with 7 light modes including SOS and emergency strobe.

• Recharge your personal devices on the go, like smartphones, tablets, e-watches and more up to 6 smartphone recharges.

• Power 12V devices anywhere, like tire inflators, power inverters, and more.

• Designed for gas engines up to 8 liters and diesel engines up to 6 liters for cars, SUVs, trucks, boats, RVs, and more.