NOCO Boost Plus GB40 1000A Jump Starter

A compact 1000A lithium jump starter for dead 12V batteries, with spark-proof clamps, USB charging, rugged casing, and a built-in LED emergency light.

Why customers buy it

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Description

A compact 1000A lithium jump starter for dead 12V vehicle batteries, with smart clamps, USB power output, rugged IP65-rated casing, and a built-in LED flashlight for roadside backup.

1000A lithium jump starter for up to 6.0L gasoline and 3.0L diesel engines
Spark-proof connection and reverse-polarity protection help reduce clamp mistakes
Acts as a jump starter, portable USB power bank, and LED flashlight
IP65-rated rugged, water-resistant enclosure with rubberized casing
Includes booster clamps, 12V car charger, USB cable, and storage bag shown in source details

Why customers love it

A dead battery can turn a normal drive into a tow call. The GB40 gives you a compact booster pack with smart clamps, spark-proof connection, reverse-polarity protection, USB charging, and an LED flashlight, so it is easy to keep in a glove box, trunk, garage, or roadside kit.

Specifications

Product type: portable lithium jump starter
Model shown: Boost Plus GB40
Peak current shown: 1000A
Battery system: 12V vehicle batteries
Engine rating shown: up to 6.0L gasoline / 3.0L diesel
Battery type: lithium-ion
Enclosure: IP65-rated rugged water-resistant casing
LED flashlight: 100 lumens, 7 modes
USB output: 2.1A
Weight shown: 2.5 lb
Dimensions shown: 7.7 in x 3.2 in x 6.7 in
Included items shown: booster clamps, 12V car charger, USB cable, storage bag

How to use

Charge the GB40 before storing it. Connect the clamps to the battery terminals, check that the connection indicators show a safe setup, then start the vehicle according to the included guide. Disconnect the clamps after the vehicle starts, recharge the unit, and store it in the pouch for the next emergency.

Shipping & returns

If your order arrives damaged, defective, missing expected parts, or not as expected, contact Mayvnville support within 30 days and we will help with the next step.

Product clips

Watch the GB40 jump starter in real clips.

Mayvnville GB40 Jump Starter

✓ 1000A jump-starting power for common 12V vehicle batteries
✓ Spark-proof and reverse-polarity protection
✓ USB power output and built-in LED flashlight
✓ Compact kit includes clamps, cable, charger, and storage bag

Basic jumper cables

Need another vehicle nearby before they can help
No built-in battery pack for solo roadside starts
No USB charging or emergency light in the same kit
Clamp mistakes can be harder to spot without smart indicators

Questions & Support

Roadside backup that fits in the car.

Keep it charged in your car, garage, or travel kit for dead-battery moments. If your order arrives damaged, defective, missing expected parts, or not as expected, contact Mayvnville within 30 days and we will help with the next step.