NOCO Boost Plus GB40 1000A Jump Starter vs Ring RAC845 Compact Car Jump Starter 600A (2026)

✍️ By the 247Verdict Editorial Team📅 Updated 05 October 2026

Which is better? We compared both on score, owner ratings, pros and cons.

NOCO Boost Plus GB40 1000A Jump Starter

9.4/10 Excellent

4.7★ (68,000 owners)

1000A, 6.0L petrol / 3.0L diesel, reverse polarity protection, USB charging. The mechanic's recommendation.

Full Review

Ring RAC845 Compact Car Jump Starter 600A

8.3/10 Very Good

4.3★ (9,200 owners)

600A, under £40, pocket size, reverse polarity. The ultra-budget emergency jump starter.

Full Review

At a Glance

	NOCO Boost Plus GB40 1000A Jump Starter	Ring RAC845 Compact Car Jump Starter 600A
247Verdict Score	9.4/10	8.3/10
Owner Rating	4.7★ (68,000)	4.3★ (9,200)
Verdict	Excellent	Very Good
Amps	1000A	600A
Engines	6.0L petrol / 3.0L diesel	Up to 2.5L petrol
Safety	Reverse polarity + overload protection	Reverse polarity alarm
USB	USB-A + USB-C	Output for phone charging
Weight	170g	135g

Quick Verdict

Both are strong choices, but the NOCO Boost Plus GB40 1000A Jump Starter edges ahead with a 9.4/10 vs 8.3/10. 1000A, 6.0L petrol / 3.0L diesel, reverse polarity protection, USB charging. The mechanic's recommendation. That said, the Ring RAC845 Compact Car Jump Starter 600A is worth considering if 600A, under £40, pocket size, reverse polarity. The ultra-budget emergency jump starter. Check the current price on Rexing →

Pros & Cons Side by Side

NOCO Boost Plus GB40 1000A Jump Starter

1000A handles petrol engines up to 6.0L and diesel up to 3.0L — covers most UK cars
Reverse polarity protection prevents damage from incorrect connection — safe for non-mechanics
USB-A and USB-C charging ports serve as a power bank between uses
Compact at 170g — fits in a glove compartment permanently
68,000 Amazon reviews at 4.7★ — the most validated jump starter available

1000A may not start large diesel engines above 3.0L — NOCO GBX55 required
LED torch is basic — primarily a safety feature, not a powerful work light
USB-C output is 1A — slow phone charging

Ring RAC845 Compact Car Jump Starter 600A

Under £40 — most affordable jump starter that covers standard petrol cars
600A handles petrol engines up to 2.5L — covers most small city cars
Pocket-size at 135g — genuine glove-box permanent storage
Reverse polarity alarm prevents connection errors
USB charging port provides backup power for phones

600A is the minimum — won't start 2.5L+ engines reliably
Lower peak amp confidence vs NOCO build quality
Shorter lifespan expectation vs premium alternatives

FAQ

Which is better, NOCO Boost Plus GB40 1000A or Ring RAC845 Compact Car 600A?

Is the NOCO Boost Plus GB40 1000A worth the extra cost?

Yes — NOCO Boost Plus GB40 1000A Jump Starter scores higher at 9.4/10 vs 8.3/10.

Who is the NOCO Boost Plus GB40 1000A best suited to?

1000A, 6.0L petrol / 3.0L diesel, reverse polarity protection, USB charging. The mechanic's recommendation.

Who is the Ring RAC845 Compact Car 600A best suited to?

600A, under £40, pocket size, reverse polarity. The ultra-budget emergency jump starter.

What are the main downsides of each?

NOCO Boost Plus GB40 1000A Jump Starter: 1000A may not start large diesel engines above 3.0L — NOCO GBX55 required; LED torch is basic — primarily a safety feature, not a powerful work light. Ring RAC845 Compact Car Jump Starter 600A: 600A is the minimum — won't start 2.5L+ engines reliably; Lower peak amp confidence vs NOCO build quality.

Do owner ratings agree with our verdict?

Largely, yes — NOCO Boost Plus GB40 1000A Jump Starter sits at 4.7★ from 68,000 verified Amazon owners, and Ring RAC845 Compact Car Jump Starter 600A at 4.3★ from 9,200.

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