NOCO Boost GB40 Key Features
Start Dead Batteries
Safely jump start a dead battery in seconds with this compact, yet powerful, 1000-amp lithium battery jump starter - up to 20 jump starts on a single charge - and rated for gasoline engines up to 6.0-liters and diesel engines up to 3.0-liters.
UltraSafe
Safe and easy-to-use car jumper starter and jump pack without worrying about incorrect connections or sparks. Safely connect to any 12-volt vehicle with our mistake-proof design featuring spark-proof technology and reverse polarity protection.
Multi-Function
It's a car jump starter, portable power bank, and LED flashlight. Recharge smartphones, tablets, and other USB devices. It's easily rechargeable from any powered USB port in 3-hours at 2.1-amps. Plus, an integrated 100-lumen LED flashlight with seven light modes, including emergency strobe and SOS.
Advanced Design
Our most advanced car battery charger jump starter ever. Featuring high-discharge lithium technology for safe operation in any climate. A rugged and water-resistant enclosure rated at IP65. A rubberized over-molded casing to prevent scratching or marring of surfaces. And an ultra-compact and lightweight design weighing just 2.4 pounds.
Easy To Use
Whats In The Box?
- GB40 UltraSafe Portable Car Jump Starter
- Heavy Duty Booster Clamps
- 12-Volt Car Charger
- Micro USB Charging Cable
- Microfiber Storage Bag
- User Guide
- 1-Year Warranty, and Designed in the USA.


📦 Insured Worldwide Shipping: Each order includes real-time tracking details and insurance coverage in the unlikely event that a package gets lost or stolen in transit.
💰 Money-Back Guarantee: If your items arrive damaged or become defective within 60 days of normal usage, we will gladly issue out a replacement or refund.
✉️ 24/7 Customer Support: We have a team of live reps ready to help with any questions you have within a 24-hour time frame, 7 days a week. Please contact us:consult@ritongt.com
🔒 Safe & Secure Checkouts: We use state-of-the-art SSL Secure encryption to keep your personal and financial information 100%