from new how long does it take for the strobe lights to illuminate to show charging level

When the power button is pressed, all LEDs will flash once, and then the charge level LEDs will immediately illuminate to show the GB50's current charge level.

Is it suitable to start a boats leisure battery?

It is rated for gas engines up to 7.0L and diesel up to 4.5L, as long as your boat's engine is within those guidelines the GB50 is suitable.

what is the warranty for this product. 2 years old hardly starts cars now?

The GB50 has a 1-year warranty. Please contact NOCO Support directly for out-of-warranty options.

Will it start an 1800 motorbike

Yes. If it can start my 3.0 litre Audi Q7 it will start your motorcycle with ease.

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Boost GB50: 1500A UltraSafe Jump Starter Power Pack – 12V Car Battery Booster, Portable Power Bank & Jump Leads - For 7.0L Petrol and 4.5L Diesel Engines

Product ID: 103301618

Details

Battery cell composition
Lithium Ion
Brand
NOCO
Product dimensions
10.2D x 23.5W
Vehicle service type
Passenger Car
Voltage
12 Volts

⚡1500A peak lithium power

🔋Up to 30 starts per charge

🔦200-lumen LED flashlight

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13395199₫

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Sold byAmazon VietnamDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Power up your peace of mind—jumpstart, charge, and shine anywhere, anytime!

RUGGED READY - Compact 2.7 lb design with IP65-rated water, dust, and impact resistance—built tough for your active lifestyle.
SMART SAFETY TECH - Patented spark-proof and reverse polarity protection ensures foolproof, worry-free connections every time.
INSTANT POWER SURGE - 1500 amps of ultra-safe lithium power to jumpstart engines up to 7.0L petrol & 4.5L diesel—never get stranded again.
ALL IN ONE PORTABLE POWER - Doubles as a power bank to recharge your smartphone, tablet, or other devices on the go—stay connected when it counts.
RELIABLE MULTI START CAPACITY - Up to 30 jump starts per full charge means you’re ready for any roadside emergency, anytime.

The NOCO Boost GB50 is a compact, ultra-safe 1500-amp lithium jump starter designed for 12V vehicles with engines up to 7.0L petrol and 4.5L diesel. It delivers up to 30 jump starts per charge, features patented spark-proof and reverse polarity protection, and includes a 200-lumen multi-mode LED flashlight. This rugged, IP65-rated device also functions as a portable power bank for charging mobile devices, making it an essential emergency tool for professionals and adventurers alike.

Specifications

ASIN	B07MVY7K43
Amperage	1500 Amps
Automotive Fit Type	Universal Fit
Battery Capacity	1500 Amp Hours
Best Sellers Rank	1,994 in Automotive ( See Top 100 in Automotive ) 29 in Car Battery Jump Starters
Brand Name	NOCO
Compatible with Vehicle Type	Passenger Car,Boat
Country Of Origin	China
Customer Reviews	4.5 4.5 out of 5 stars (16,309)
EU Spare Part Availability Duration	2 Years
Global Trade Identification Number	00046221180176
Included Components	GB50 Lithium Car Battery Jump Starter, Microfiber Storage Bag, Needle-Nose Battery Clamps, USB-C Charging Cable, User Guide For Jump Starter, Warranty Information For Jump Starter
Item Dimensions D x W x H	10.2D x 23.5W x 12.1H centimetres
Item Type Name	NOCO Boost XL GB50 1500A 12V UltraSafe Portable Lithium Car Jump Starter, Heavy-Duty Battery Booster Power Pack, Powerbank Charger, and Jump Leads for up to 7.0L Petrol and 4.5L Diesel Engines
Item Weight	3.33 Pounds
Manufacturer	NOCO
Manufacturer Part Number	GB50
Manufacturer Warranty Description	1-Year Limited
Model Number	GB50
Peak Output Current	1500 Amps
Specification Met	UL
UPC	046221180176
Unit Count	1.0 count
Voltage	12 Volts
battery-cell-composition	Lithium Ion

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