Does it have a boost button feature?

It sure doesn't and on a fresh charge would not jump my 04' 4runner with the 4.7 v8. Complete disappointment it was sleeting terrible and this thing is a piece of junk. I went to town as soon as I got going(lol) and bought a norco gb70. Man the norco was the real deal and it has the boost function and it works. You can hear it kick in and you know right then what kinda power it packs. Don't waste your time but the norco.

What size plug should be used to connect to your DC output coaxial Jack? 5.5 x 2.5mm?

Thanks for your inquiry The answer is no, the size of the DC output port is 5.5 x 2.1mm.

Is this product made in the United States of America’s?

Made in China like everything else.

cuantas veces puede arrancar diferentes autos con una sola carga?

La verdad no he tenido la necesidad de verificarlo arrancando varios carros, pero si lo he utilizado 4 o 5 veces sin problema en dias diferentes y muy espaciados, antes de ponerlo a cargar. Y lo pongo a cargar no porque ya no tenga carga, sino para que cuando lo necesite, no me vaya a fallar. Espero esta respuesta te sirva de algo, la verdad es una buena herramienta y te saca de apuros.

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NEXPOW Car Battery Jump Starter 3000A, Portable Jumper Starter (up to 8.0L Gas/8L Diesel Engines) 12V Car Battery Booster Pack with USB Quick Charge 3.0 and 4 LED Modes Red Blue Warning

NEXPOW Car Battery Jump Starter 3000A, Portable Jumper Starter (up to 8.0L Gas/8L Diesel Engines) 12V Car Battery Booster Pack with USB Quick Charge 3.0 and 4 LED Modes Red Blue Warning

Product ID: 179037820

Details

Battery Cell Composition
Lithium Ion
Brand
NEXPOW
Product Dimensions
8.6"D x 5.1"W
Voltage
12 volts

⚡3000A peak jump power

🔋6-hour full charge, 3+ months standby

🔦4 LED emergency light modes

Description

⚡ Power up your ride & your devices—jumpstart confidence in every drive!

SMART SAFETY TECH - UL2743 certified clamps protect against reverse polarity, overload, and short circuits for worry-free use.
INSTANT POWER SURGE - Jump-start up to 8.0L gas & 8L diesel engines with 3000A peak current—never get stranded again.
RAPID USB QUICK CHARGE - Dual USB ports deliver 1.8x faster charging for your devices—stay connected on the go.
COMPACT RUGGED DESIGN - Lightweight 1.33 lbs with a hard-shell case—fits under your seat or glovebox, ready whenever you need it.
MULTI MODE EMERGENCY LIGHTING - Spotlight, Strobe, SOS & Red/Blue warning lights keep you safe and visible in any roadside emergency.

The NEXPOW Q9B Car Battery Jump Starter packs a mighty 3000A peak current to jump-start vehicles up to 8.0L gas or 8L diesel engines. Certified for safety with intelligent clamps, it charges fully in 6 hours and holds power for over 3 months. Beyond jump-starting, it features 4 versatile LED emergency light modes and dual USB Quick Charge 3.0 ports for rapid device charging. Compact, rugged, and travel-ready, it’s the essential roadside companion for professionals who demand reliability and speed.

Specifications

ASIN	B082ZZ2W14
Amperage	3000 A
Battery Capacity	22000 milliamp_hours
Battery Type	Lithium Ion
Best Sellers Rank	#196,225 in Automotive ( See Top 100 in Automotive ) #486 in Jump Starters
Brand Name	NEXPOW
Compatible with Vehicle Type	Motorcycle, Passenger Car, Truck, ATV, Lawn, Mower, RV, Scooter, Snowmobile, Tractor, UTV, Van, Watercraft
Customer Reviews	4.5 4.5 out of 5 stars (11,176)
Included Components	Cigarette Lighter Socket Adapter x1, EVA Storage Case x1, Q9B Portable Battery Jump Starter x1, Smart Jumper Cables with Protection System x1, USB-A to USB-C Charging Cable x1
Item Dimensions D x W x H	8.6"D x 5.1"W x 3.9"H
Item Weight	1.3 pounds
Manufacturer	Guangdong Boltpower Energy Co Ltd
Manufacturer Part Number	Q9B
Manufacturer Warranty Description	24 month technical support
Model Number	Q9B
Peak Output Current	3000 A
Specification Met	certification
UPC	789964431739
Voltage	12 volts

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