Our Verdict
NOCO Boost Plus GB40 is the jump starter benchmark. 1000A jumps petrol and diesels to 6L with spark-proof safety, doubles as a USB power bank and LED torch and fits in the glovebox. 42,400 reviews at 4.7★. Large diesels need the GB70 — for most drivers, the GB40 is the self-contained jump starter that eliminates the need for a second car or jump leads.
Why trust 247Verdict? We don't run a physical test lab — every recommendation is built from verified Amazon owner data (rating, review volume, and recurring themes across owner reviews) checked against manufacturer specifications, and every review says plainly who it's not right for. Every product needs 4.0+ stars from 200+ verified reviews before we'll recommend it. Full detail on our methodology page.
Pros & Cons
✓ Pros
- 1000A peak current jumps petrol engines and diesels up to 6L — covers most vehicles
- Spark-proof technology and reverse polarity protection prevent connection errors
- Doubles as a USB power bank for phones and a 100-lumen LED torch
- Compact enough to keep in the glovebox permanently
- 42,400 reviews at 4.7★ — the most validated jump starter reviewed
✗ Cons
- 1000A limit — very large diesels need the higher-capacity GB70 or GB150
- Requires periodic recharging to stay ready
- Premium vs basic jump leads (but no second car needed)
4.7★ from 42,400 verified Amazon owners
Key Specifications
| Current | 1000A peak |
|---|---|
| Range | Petrol to 6L diesel |
| Powerbank | USB |
| Torch | 100-lumen LED |
| Safety | Spark-proof + reverse polarity |
| Reviews | 42,400 at 4.7★ |
How It Compares to the NOCO Boost Plus GB40 1000A Jump Starter
The closest alternative in this category is the NOCO Boost Plus GB40 1000A Jump Starter (9.4/10). Here's how the two stack up on the specs they share:
| NOCO Boost Plus GB40... | NOCO Boost Plus GB40... | |
|---|---|---|
| Safety | Spark-proof + reverse polarity | Reverse polarity + overload protection |
Performance
NOCO Boost Plus GB40 is the jump starter benchmark. 1000A jumps petrol and diesels to 6L with spark-proof safety, doubles as a USB power bank and LED torch and fits in the glovebox. 42,400 reviews at 4.7★. Large diesels need the GB70 — for most drivers, the GB40 is the self-contained jump starter that eliminates the need for a second car or jump leads. On paper the headline numbers are current of 1000A peak, range of Petrol to 6L diesel, powerbank of USB, torch of 100-lumen LED, safety of Spark-proof + reverse polarity, reviews of 42,400 at 4.7★. Its standout is that 1000a peak current jumps petrol engines and diesels up to 6l — covers most vehicles. Owners often find compatible accessories a worthwhile addition to this setup.
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Owner Essentials
Build Quality & Design
Beyond that, owners and the spec sheet point to a few more genuine strengths. Spark-proof technology and reverse polarity protection prevent connection errors. Doubles as a USB power bank for phones and a 100-lumen LED torch. For those looking to complement it, extended warranty options is commonly paired with this product. We can't bench-test durability, but the depth of positive long-term owner feedback is the best available proxy for how it holds up.
Value for Money
It isn't flawless. 1000A limit — very large diesels need the higher-capacity GB70 or GB150. Requires periodic recharging to stay ready. Premium vs basic jump leads (but no second car needed). Whether those matter depends entirely on how you'll use it. At the premium price point, the trade-offs are easy to live with for the right buyer. It's the right call for Look elsewhere if you're among
Final Verdict
NOCO Boost Plus GB40 is the jump starter benchmark. 1000A jumps petrol and diesels to 6L with spark-proof safety, doubles as a USB power bank and LED torch and fits in the glovebox. 42,400 reviews at 4.7★. Large diesels need the GB70 — for most drivers, the GB40 is the self-contained jump starter that eliminates the need for a second car or jump leads.
FAQ
Is the NOCO Boost Plus GB40 Jump Starter worth the money?
NOCO Boost Plus GB40 is the jump starter benchmark. 1000A jumps petrol and diesels to 6L with spark-proof safety, doubles as a USB power bank and LED torch and fits in the glovebox. 42,400 reviews at 4.7★. Large diesels need the GB70 — for most drivers, the GB40 is the self-contained jump starter that eliminates the need for a second car or jump leads.
Who should NOT buy the NOCO Boost Plus GB40 Jump Starter?
Is the NOCO Boost Plus GB40 Jump Starter available in the UK and US?
Yes — we list both Amazon UK and US links. Always verify voltage compatibility (UK 230V, US 120V).
What's the biggest drawback of the NOCO Boost Plus GB40 Jump Starter?
1000A limit — very large diesels need the higher-capacity GB70 or GB150
What do owners say about the NOCO Boost Plus GB40 Jump Starter?
4.7★ from 42,400 verified Amazon owners. 1000A peak current jumps petrol engines and diesels up to 6L — covers most vehicles
How does the NOCO Boost Plus GB40 Jump Starter compare to similar car accessorys?
At 9.3/10, it ranks among the strongest options we've reviewed in this category. See our NOCO Boost Plus GB40 Jump comparisons for direct head-to-head detail against specific alternatives.
Alternatives to Consider
NOCO Boost Plus GB40 1000A Jump Starter
9.4/101000A, 6.0L petrol / 3.0L diesel, reverse polarity protection, USB charging. The mechanic's recommendation.
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NOCO Boost X GBX55 1750A Jump Starter
9.2/101750A, 8.0L petrol / 6.0L diesel, UltraSafe spark-proof clamps. For larger engines and diesel vans.
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Ring RAC845 Compact Car Jump Starter 600A
8.3/10600A, under £40, pocket size, reverse polarity. The ultra-budget emergency jump starter.
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