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🚗⚡ Power Up & Inflate Fast — Never Get Stranded Again!
The Giatero Q21 is a rugged 4000A peak current portable jump starter with an 18000mAh lithium polymer battery, designed to jump start 12V gas and diesel engines up to 12L. It features a built-in 150 PSI smart air compressor that inflates tires in minutes, an LCD display for real-time pressure and battery status, and multi-mode lighting for emergencies. With 10 smart safety protections and a wide operating temperature range, it’s engineered for reliability and convenience on the road, camping, or emergencies.





| ASIN | B0FD39MJQ5 |
| Amperage | 4000 Amps |
| Battery Capacity | 18000 Milliamp Hours |
| Battery Type | Lithium Polymer |
| Best Sellers Rank | #182,240 in Automotive ( See Top 100 in Automotive ) #470 in Jump Starters |
| Brand Name | giatero |
| Compatible with Vehicle Type | All of the above |
| Customer Reviews | 3.7 3.7 out of 5 stars (9) |
| Included Components | jump starter |
| Item Dimensions D x W x H | 8"D x 4"W x 6"H |
| Item Weight | 900 Grams |
| Manufacturer | Dongguan Huaqing Technology Co., LTD |
| Manufacturer Part Number | 001 |
| Manufacturer Warranty Description | 1 year |
| Peak Output Current | 4000 Amps |
| Voltage | 12 Volts |
R**T
much better
I've heard good things about this product and purchased it. It arrived today and looks in good working order. I've got it charged and ready to go. However, the flashlight does not work and I can't figure out how to power it down so as to not lose power when not in use. UPDATE: I made a quick and easy return and had a new one with a working flashlight and the power down button works.
D**Y
Inflator failed after fourth use.
The inflator started clattering and stopped working on the third or fourth use. It was used to inflate car tires. It was never used as a jump starter. Unfortunately this happened after the Amazon return period.
M**T
As described.
Seems to be as described.
S**M
Battery charge isn't great
Used it to pump up a tire. Took it about 5 minutes to add 20psi. After that, the charged went from 100% down to 20%. So yeah that charge really isn't worth much. Haven't had need to jump anything yet though.
D**N
Defective product
Bought this product in May and battery discharges quickly as the charge does not remain on item.
Trustpilot
2 weeks ago
4 days ago