NOCO Boost Plus GB40 1000 Amp 12V Lithium Jump Starter - GB40
NOCO Boost Plus GB40 1000 Amp 12V Lithium Jump Starter - GB40
The NOCO Boost Plus GB40 is a compact lithium-ion jump starter for 12-volt batteries. It can jump start gasoline engines up to 6 liters and diesel engines up to 3 liters, and its internal battery can recharge smartphones, tablets, and other USB devices.
Its mistake-proof design includes spark-proof technology and reverse-polarity protection. The unit includes an integrated 100 lumen LED flashlight with 7 light modes.
- Rated output: 1000 Amps
- Up to 20 jump starts on a single charge
- Integrated LED flashlight: 100 lumen
- LED light modes: 7
- Includes GB40, HD battery clamps, USB charging cable, USB car charger, and microfiber storage bag
Shipping, returns & fit
Shipping is free on every U.S. order — no minimum purchase. Orders are delivered within 1–2 business days, with same-day dispatch before 2 PM CST. 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.
Each product page lists the available sizes for that piece. If you’re between sizes, size up. Natural leather, suede and denim vary slightly in grain and shade from piece to piece — that is the material, not a defect.
The available sizes for this piece are listed in the description above. Between sizes? Size up.
Email support@jrswesternwear.com, or use our contact form. A real person reads every message, Mon–Fri, 9 AM – 5 PM MT — usually answered the same business day.