Question 1

It will charged the battery too ? Or is only a jump starter?

Accepted Answer

The manufacturer is correct, this is a jump starter only, not a charger. This unit only has a 35 watt hour capacity, it is not designed for charging. You need to purchase an appropriate 12 volt smart charger, such as a Noco Genius Charger. You should not need more than a 10 amp charger/maintainer.

If you need a portable charging solution, there are large power stations with 110V AC inverters built in that you could plug a smart charger into. For example the Jackery 500 has a 518 watt hour battery with built in 110 volt (pure sine wave) AC outlet (500 watt max) for $500 on Amazon. It is 13 lbs, but I believe it would be just enough capacity to recharge a drained car battery with a Noco Genius charger.

A typical car battery is about 50 amp hours of capacity. Say you had a battery that was at a 50% Depth of Discharge (recommended is 20%); this would be 25 amp hours @ 12 volts = 300 watt hours that need to be charged. Then you would have to account for AC inverter and DC converter inefficiencies. Therefore: (518 Wh x .85 x .8) / 300 Wh = 1.17 full charges. This should be just enough to fully charge a typical car battery. Keep in mind that this would not be enough to charge a larger (>50 Ah) deep cycle battery.

P.S. The Noco Boost XL GB50 (jump starter) has 10,500 joules over 3 seconds = 292 amps @ 12V (for 3 seconds).

Question 2

Will the novo boost 25000 charge cell phones

Accepted Answer

Yes, the Noco GB50 can charge a cell phone via the USB outlet. It's internal battery has 35 watt hours of capacity; or 9,459 mAh @ 3.7 volts. A typical cell phone has a 3,000 mAh battery. Here's a formula to determine number of charges:

(power bank capacity x .85) / phone capacity = number of full charges
(9,459 mAh x .85) / 3,000 mAh = 2.68 full charges

Question 3

Is it safe to start fourwheelers and jetskis with?

Accepted Answer

Yes.

Question 4

Can this be used on 4 cylinder motors?

Accepted Answer

Not answering for the makers but personally I have jump started a Tundra V8 and two SUVs with 4 cylinders and works great every time. Buying children these for Christmas. Will not ever use cables and another vehicle ever again.

ASIN	B07MVY7K43
Amperage	1500 Amps
Automotive Fit Type	Universal Fit
Battery Capacity	3.15 Amp Hours
Battery Cell Composition	Lithium
Battery Type	Lithium
Best Sellers Rank	#1,402 in Automotive ( See Top 100 in Automotive ) #26 in Jump Starters
Brand	NOCO
Brand Name	NOCO
Compatible with Vehicle Type	ATV, Motorcycle, Passenger Car, RV, Tractor, Truck, UTV, Van, Watercraft
Customer Reviews	4.6 out of 5 stars 16,696 Reviews
EU Spare Part Availability Duration	1 Years
Global Trade Identification Number	00046221180176
Included Components	1-Year Limited Warranty, GB50 Portable Car Battery Jump Starter Pack, Heavy-Duty Booster Clamps, Microfiber Storage Bag, USB-C Charging Cable, User Guide for Jump Starter
Item Dimensions D x W x H	4"D x 8.25"W x 4.75"H
Item Type Name	NOCO Boost XL GB50 1500 Amp 12-Volt UltraSafe Lithium Jump Starter Box, Car Battery Booster Pack, Portable Power Bank Charger, And Jumper Cables For 7-Liter Gasoline And 4-Liter Diesel Engines
Item Weight	1.65 Pounds
Manufacturer	NOCO
Manufacturer Part Number	GB50
Manufacturer Warranty Description	1-Year Limited
Model Number	GB50
Peak Output Current	1500 Amps
Product Dimensions	4"D x 8.25"W x 4.75"H
Specification Met	UL
UPC	046221180176
Unit Count	1.0 Count
Vehicle Service Type	ATV, Motorcycle, Passenger Car, RV, Tractor, Truck, UTV, Van, Watercraft
Voltage	12 Volts

Boost GB50: 1500A UltraSafe Jump Starter – 12V Lithium Battery Booster Pack, Portable Jump Box, Power Bank & Jumper Cables - for 7.0L Gas and 4.5L Diesel Engines

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