UNTIMATY Portable Car Jump Starter with Air Compressor Power Bank 3000A 39800mAh 12V Car Battery Jump Starter 150PSI Digital Tire Inflator Portable Battery Jump Box with Jumper Cables
UNTIMATY Portable Car Jump Starter with Air Compressor Power Bank 3000A 39800mAh 12V Car Battery Jump Starter 150PSI Digital Tire Inflator Portable Battery Jump Box with Jumper Cables
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UNTIMATY Portable Car Jump Starter with Air Compressor Power Bank 3000A 39800mAh 12V Car Battery Jump Starter 150PSI Digital Tire Inflator Portable Battery Jump Box with Jumper Cables

|113 ratings
UNTIMATY Portable Car Jump Starter with Air Compressor Power Bank 3000A 39800mAh 12V Car Battery Jump Starter 150PSI Digital Tire Inflator Portable Battery Jump Box with Jumper CablesUNTIMATY Portable Car Jump Starter Air Compressor Power Bank 3000A 39800mAh 12V Car Battery Jump Starter 150PSI Digital Tire Inflator Portable BatterUNTIMATY 4000A Car Battery Jump Starter 39800mAh Battery 12V Portable Jump Starter 150PSI Air Compressor Jumper Cables LED Flashlight Power BankUNTIMATY Jump Starter with Air Compressor 4000A Car Battery Jump Starter 150 PSI Tire Inflator Air Pump with Digital Screen
Size3000A ALL Gas&8.0L Diesel

Key item features

  • Versatile Functionality: Combines six key features including car jump starting, tire inflation, LED lighting, SOS signaling, mobile device charging, and 12V vehicle accessory power in a compact design.
  • Powerful Starting: Delivers 3000A peak power to jump-start all gas engines and up to 8.0L diesel engines, capable of starting 12V vehicles in 3 seconds even in extreme temperatures (-4F to 140F).
  • Integrated Inflator: Features a built-in air compressor with real-time pressure monitoring, auto-shutoff at 150 PSI, 25-minute continuous inflation, and a detachable extension tube for fast, versatile use.
  • Enhanced Safety: Smart jumper cables include error indicators, automatic connection detection, and real-time alerts for spark-proof operation, while a honeycomb heat dissipation structure improves safety by 30%.
  • Emergency Lighting: A 300-lumen LED flashlight offers continuous, strobe, and SOS modes for visibility in low-light or emergency scenarios.
  • Portable Power: Dual USB ports provide on-the-go power for smartphones and other devices, functioning as a versatile power bank.
  • Comprehensive Package: Includes the jump starter, storage bag, smart cables, air hose, three nozzles, a USB-C cable, and a user manual.
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Specs

Amps, 39800 mABattery capacity, 39800 mAhAutomotive battery type, Lithium-Ion BatteryVolts, 12 VoltsFeatures, Easy To Use, LED LightsWeight, 2.87 lb

About this item

Product details

UNTIMATY 39800mAh portable car jump starter with wireless 150 PSI tire inflator, 3000A peak


The UNTIMATY 39800mAh battery jump starter delivers a powerful 3000A peak current, capable of starting 12V vehicles (all gasoline engines/12V diesel engines, including hybrid vehicles) in just 3 seconds, even in extreme temperatures (-4°F to 140°F). With 80% battery, it can jump-start up to 50 times and has a lifespan of over 1000 charge cycles. The integrated wireless 150 PSI air inflator comes with 3 air nozzles, making it easy to inflate cars, bikes, balls, mattresses, and pool floats. This new battery jumper starter portable features a user-friendly design, including a coiled air hose, quiet cooling system, and one-touch pressure adjustment. The smart presets and auto shut-off functions ensure ease of use without the need for constant adjustments.

‼️‼️‼️Please note: The compass included with the product is decorative and not intended for navigation or practical use.

  • Combines 6 key features including car jump start, tire inflation, LED lighting, SOS signaling, mobile device charging, and 12V vehicle accessory power in a compact design.
  • Upgraded smart chip enables reliable starts in harsh conditions (-4°F to 140°F) for quick, safe operation across wide temperature ranges.
  • Delivers 3000A peak power to jump all gas engines and up to 8.0L diesel engines, outperforming standard models by 3–5x in starting capability.
  • Smart jumper cables feature error indicators, automatic connection detection, and real-time alerts for spark-proof use and enhanced safety.
  • Built-in air compressor offers real-time pressure monitoring and auto-shutoff at 150 PSI with 25-minute continuous inflation and detachable extension tube for fast, versatile use.
  • 300-lumen LED flashlight includes continuous, strobe, and SOS modes for visibility in low-light or emergency scenarios.
  • Dual USB ports provide on-the-go power for smartphones and devices as a versatile power bank.
  • Honeycomb heat dissipation structure improves safety by 30% and extends product lifespan by 50% for durable performance.
  • 35L/min air compressor (150 PSI) ensures rapid tire inflation and works with sports equipment like tires, balls, and inflatables.
  • Package includes jump starter, storage bag, smart cables, air hose, 3 nozzles, USB-C cable, and user manual.
  • Fully charge before first use and recharge every 2–3 months to maintain battery health.‌
info:
We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here, and we have not verified it.  

Specifications

Amps

39800 mA

Battery capacity

39800 mAh

Automotive battery type

Lithium-Ion Battery

Volts

12 Volts

Warranty

Warranty information

No

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Warnings

Customer ratings & reviews

3.9 out of 5 stars
stars
113 ratings28 reviews
Includes global ratings and reviews
How item rating is calculated
  1. 5 stars58% (65)
  2. 4 stars12% (14)
  3. 3 stars9% (10)
  4. 2 stars2% (2)
  5. 1 star19% (22)
Filtered and sorted results would be available on the new 'Customer ratings & reviews' page.
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Showing 1-3 of 28 reviews

Jan 8, 2026
Reviewer name: Yuli
Item details
Size: 3000A ALL Gas&8.0L Diesel
Sold byUNTIMATYDelivered byWalmart
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Its one of the best purchases ive made ,once you attach it to your battery one click and it starts its a two for one bargain it also inflate tires

Helpful?4T3KT975P84Z9496863651
Jul 1, 2025
Reviewer name: Jaart
Top Reviewer
Item details
Size: 3000A
Sold by4 BingoDelivered byWalmart
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Perfect! Does the job!!! Love the convenience!

Helpful?4T3KT975P84Z9496863651
Nov 17, 2025
Reviewer name: Richard
Top Reviewer
Item details
Size: 4000A
Sold by4 BingoDelivered byWalmart
4 out of 5 stars
4 out of 5 stars review

Verified Purchase

I like it very much, it is easy to use, I have only used the air compressor to add air to all 4 tires on my car and it did a very good job. I will try it on my riding mower I don't like the fact that you have to charge it every month to keep it fully charged

Helpful?4T3KT975P84Z9496863651
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