NOCO Boost X GBX155 4250A 12V Portable Lithium Jump Starter
NOCO Boost X GBX155 4250A 12V Portable Lithium Jump Starter
The NOCO Boost X GBX155 is a portable lithium car battery jump starter rated at 4,250 amps for 12-volt batteries. It is designed for vehicles with up to 10.0-liter gasoline and 8.0-liter diesel engines.
USB-C Power Delivery supports recharging and powering USB-C devices. The package includes a GBX155 portable jump starter, battery booster clamps, USB-C charging cable, and microfiber storage bag.
- Rated output: 4,250 amps
- Battery voltage: 12 volts
- USB-C Power Delivery: 60 watts in and out
- Complete recharge time: 2.7 hours
- Jump starting from charge: 5 minutes
- Protection: Spark-proof technology and reverse polarity protection
- Engine capacity: Up to 10.0-liter gasoline and 8.0-liter diesel
Shipping, returns & fit
Shipping is free on every U.S. order — no minimum. Orders are delivered within 1–2 business days, with tracking emailed on every order. We currently ship to U.S. addresses only.
Orders are picked and packed within 1–2 business days. Once shipped, delivery normally takes another 3–7 business days, and you'll receive a tracking link by email. Full details on our Shipping Policy.
You have 30 days from delivery to return any unworn item with tags in its original packaging. Return postage is paid by the buyer, unless your item arrived damaged, wrong, or never arrived — in those cases we replace it or refund you in full and cover the postage.
Approved refunds go back to your original payment method within 5–10 business days. See the full Refund Policy.
Dimensions for each piece are listed in the product description above. Because many pieces are handcrafted, slight variation in shape and shade is normal — that is the craft, not a defect.
Email support@swedethingsinamericainc.com, or use our contact form. A real person reads every message, Mon–Fri, 9 AM – 5 PM ET — usually answered the same business day.