NOCO Boost GB40: 1000A UltraSafe Jump Starter Power Pack – 12V Car Battery Booster, Portable Power Bank & Jump Leads - For 6.0L Petrol and 3.0L Diesel Engines

NOCO Boost GB40: 1000A UltraSafe Jump Starter Power Pack – 12V Car Battery Booster, Portable Power Bank & Jump Leads - For 6.0L Petrol and 3.0L Diesel Engines

Q: Can it jumpstart a 3.2l diesel engine?

I’m not a mechanic but the RAC man who came to my rescue and told me to get one said it would start 5l engines. It has started every vehicle I’ve needed it to no problem so far.

Q: I want to return to amazon (uk). all courier firms i have contacted say they do not accept lithium batteries. has anyone found someone who does?

We contacted Amazon and all the couriers they provided could not ship the return. We did our own research and contacted UPS UK and they were extremely helpful on the phone telling us what needed to be done. Their website instructions were clear and easy to follow. They even called to advise their driver was running late. If you ever need to return batteries in devices like this and you're in the UK, try UPS. Hopefully Amazon will take note of this and get their call centres to advise of useable couriers.

Q: Charged & followed instructions (inc. o/r function) failed to start 2.2ltr engine. pack down to 25% power after 4th attempt. is this a product fault?

I have a Mercedes clc 220 diesel. I fully charged the Noco, connected it and it couldn't start my car. It made a very half hearted attempt to start it. Trying to start it completely drained the noco. It claims to do up to 3 litre diesel but this model isn't man enough for the job

Product ID: 48090925

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Details

Brand
NOCO
Product dimensions
11.7D x 20.8W
Item weight
2.4 Pounds
Amperage
1000 Amps
Peak output current
1000 Amps

⚡1000A peak lithium power

🔋Up to 20 jump starts per charge

🔦100-lumen LED with 7 light modes

Frequently Bought Together

NOCO Boost GB40: 1000A UltraSafe Jump Starter – 12V Lithium Battery Booster Pack, Portable Jump Box, Power Bank & Jumper Cables - For 6.0L Gas and 3.0L Diesel Engines

NOCO GBC013 Boost Sport and Plus EVA Protection Case for GB20 and GB40 UltraSafe Lithium Jump Starters

NOCO GBC007 18.5-Inch Boost X-Connect Adapter Extension Cable for GB20, GB40, GB50 and GBX45 UltraSafe Lithium Jump Starters

Description

⚡ Jumpstart your journey with power and peace of mind!

RUGGED READY - IP65-rated, impact-resistant design fits perfectly in your glove box or emergency kit.
SAFETY FIRST TECH - Patented spark-proof & reverse polarity protection ensures foolproof, worry-free use.
EMERGENCY LIFELINE - Built-in power bank charges your devices on the go—stay connected when it counts.
INSTANT POWER SURGE - 1000 amps to revive dead batteries in seconds—never get stranded again.
MULTI START MASTERY - Up to 20 reliable jump starts per full charge for ultimate road readiness.

The NOCO Boost GB40 is a compact yet powerful 1000-amp lithium jump starter designed for 12V vehicles with up to 6.0L petrol or 3.0L diesel engines. Featuring patented spark-proof and reverse polarity protection, it delivers up to 20 jump starts per charge, doubles as a portable power bank, and includes a versatile 100-lumen LED flashlight with multiple modes. Rugged, lightweight, and IP65-rated, it’s engineered for safety, convenience, and durability—your ultimate roadside companion.

Specifications

Manufacturer	NOCO
Brand	NOCO
Model	GB40
Product Dimensions	11.71 x 20.8 x 10.69 cm; 1.09 kg
Batteries	Lithium Metal batteries required. (included)
Item model number	GB40
Exterior	Machined
Manufacturer part number	GB40
OEM Part Number	GB40
Bulb type	LED
Special Features	100 Lumen LED Flashlight, 1000A 12V Portable Lithium Car Battery Jump Starter, Portable Power Bank for USB Devices, Reverse Polarity and Spark-Proof Protection
Amperage	1000 Amps
Item Weight	1.09 kg

Have a Question? See What Others Asked

Can it jumpstart a 3.2l diesel engine?

I want to return to amazon (uk). all courier firms i have contacted say they do not accept lithium batteries. has anyone found someone who does?

How long are the leads on the GB40?

Charged & followed instructions (inc. o/r function) failed to start 2.2ltr engine. pack down to 25% power after 4th attempt. is this a product fault?

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