what comes in the GB70 package?

In the GB70 I recently purchased, it came with a paper manual, drawstring bag, the battery with attached jumper cables, XGC cable, 12V male and female plugs (cigarette lighter adaptors) and USB type A to micro cable. It can be charged or provide power via either cable.

What are the cranking ams and peak ams?

The NOCO Genius Boost HD GB70 2000 Amp 12V UltraSafe Lithium Jump Starter is rated in joules. Calculating in joules as a measurement of power multiplied by time, demonstrates the actual starting power as opposed to the peak amp measurement over an indefinite amount of time. It has a peak current rating of 2000 Amps and is rated at 15700 joules. As a reference a traditional 1700 peak amp lead acid battery jump pack has 6950 joules. Let us know if you have any other questions.

If I wanted to power a 12 volt appliance for 7 hrs. that draws 2.5 amps, would any of these units be capable of doing that? If so which one?

One way to look at your question is in Watts (W) Your question is about operating a device that draws 2.5 Amps (A) for seven hours. The Watts used would be (A*Volts)*Hrs or (2.5*12= 30 W)*7=210 W. The NOCO GB 20 is a 400A 12V unit so it's W storage is 400*12=4,800 W. In general you should not discharge Lithium batteries below 20% so you would have 3,840 usable Watts for operating your device. 3,840/30=128 indicates that you might expect 128 hours of operation from a GB20.

Is this okay to leave in the car in the winter?

Yes, periodically charge the unit though, like every 4 or 6 weeks.

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NOCO Boost GB70: 2000A UltraSafe Jump Starter – 12V Lithium Battery Booster Pack, Portable Jump Box, Power Bank & Jumper Cables - for 8.0L Gas and 6.0L Diesel Engines

NOCO Boost GB70: 2000A UltraSafe Jump Starter – 12V Lithium Battery Booster Pack, Portable Jump Box, Power Bank & Jumper Cables - for 8.0L Gas and 6.0L Diesel Engines

Product ID: 21593657

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Details

Brand
NOCO
Product Dimensions
7.4"D x 3.7"W
Item Weight
2000 Grams
Amperage
2000 Amps
Peak Output Current
2000 Amps

⚡2000A peak jump power

🔋Up to 40 starts per charge

🔦400-lumen LED with 7 modes

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Description

⚡ Jumpstart your confidence, power your lifestyle.

RUGGED READY - IP65-rated, water and dust resistant with rubberized over-molding for ultimate durability on the go
COMPACT YET MIGHTY - Lightweight 4.4 lbs design fits glove boxes and emergency kits without weighing you down
INSTANT POWER SURGE - 2000 amps of ultra-safe lithium jump-starting power for engines up to 8.0L gas & 6.0L diesel
POWER BANK ON DEMAND - Dual USB-C output charges smartphones, tablets, and devices—stay connected when it counts
RELIABLE ALL NIGHT COMPANION - Integrated 400-lumen LED flashlight with SOS and strobe modes to light your way in any emergency

The NOCO Boost GB70 is a professional-grade 2000-amp portable lithium jump starter designed for 12V vehicles with up to 8.0L gas or 6.0L diesel engines. It delivers up to 40 jump starts per charge, features patented spark-proof and reverse polarity protection for safe use, and doubles as a USB-C power bank. Equipped with a 400-lumen multi-mode LED flashlight and housed in a rugged IP65-rated casing, the GB70 is engineered for durability and convenience, making it an essential tool for any modern driver or outdoor enthusiast.

Specifications

Brand	NOCO
Product Dimensions	7.4"D x 3.7"W x 12.6"H
Item Weight	2000 Grams
Amperage	2000 Amps
Peak Output Current	2000 Amps
Specification Met	UL
Cable Length	12 Inches
Manufacturer	NOCO
UPC	046221150056
Global Trade Identification Number	00046221150056
Automotive Fit Type	Universal Fit
Model	GB70
Item Weight	4.41 pounds
Item model number	GB70
Batteries	1 Lithium Metal batteries required. (included)
Is Discontinued By Manufacturer	No
Exterior	Machined
Manufacturer Part Number	GB70
OEM Part Number	GB70
Bulb Type	LED
Special Features	2000A 12V Portable Lithium Car Battery Jump Starter, 400 Lumen LED Flashlight, Portable Power Bank for USB Devices, Reverse Polarity and Spark-Proof Protection

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