At nearly the same price, the GOOLOO out-specs the NOCO on paper — more claimed amps, a far bigger cell, USB-C, a 12V port — while the NOCO wins on clamp safety, conservative ratings, build, and the long-term reliability record. For a four-cylinder commuter where either starts the car, the NOCO is the buy-once choice; if you drive a V6 or V8 and can only spend $100, the GOOLOO's extra cranking headroom is the practical pick.

Pick the NOCO if…

✓Four- or six-cylinder car, mild-to-moderate winters
✓You value a decade-long reliability record
✓Smallest pack that does the job

Pick the GOOLOO if…

✓V6/V8 on a $100 budget
✓You want a real power bank and USB-C fast charging
✓A 12V port for an inflator matters

Spec by spec

Spec	NOCO Boost Plus GB40	GOOLOO GP4000
Our score	8.8 / 10	8.3 / 10
Peak amps	1,000A	4,000A (manufacturer rating)
Engine rating	Gas up to 6.0L / diesel up to 3.0L	Gas up to 10.0L / diesel up to 8.0L (manufacturer claim)
Battery	Lithium-ion, 12V systems only	26,800mAh lithium-ion, 12V systems only
Ports	USB-A out (2.1A), micro-USB in (check current revision)	USB-C PD in/out, USB-A out, 12V DC out
Flashlight	100 lumens, 7 modes incl. SOS	LED with strobe and SOS
Safety	Spark-proof, reverse polarity, over-charge, short-circuit; manual override	Reverse polarity, short-circuit, over-current, over-temp; smart clamps
Operating temp	-4°F to 122°F (-20°C to 50°C)	-4°F to 140°F (manufacturer)
Ingress rating	IP65	—
Weight	~2.4 lb	~2.8 lb
Warranty	1 year	1 year

Still deciding?

Read the full reviews for the complete story, or check both current prices — sale pricing swings this class of decision all the time.

~$100 typical price

Buy on Amazon

~$80 typical price

Buy on Amazon