Genius GB50 Ultrasafe Lithium Jump Starter, 1500 Amps
Free returns on all eligible orders
You have 30 days to request a return. All sale items are final sale.
The GB50 is an ultra-portable, lightweight and compact lithium-ion jump starter for 12-volt batteries. With it, you can safely jump start a dead battery in seconds - up to 30 times on a single charge. The Boost XL is safe for anyone to use, featuring spark-proof technology, as well as reverse polarity protection. The GB50 lithium jump starter integrates with a high-output 200 lumen LED flashlight with seven light modes, holds its charge for up to one year and features a USB battery pack for recharging personal devices on the go - up to 6 smartphone recharges. Hot and Cold LED indicators of the internal battery determine when your Boost is outside operating temperatures to help protect your batteries and devices. It's rated at 1,500 Amps, and suitable for use on gasoline engines up to 7 liters and up to 4.5 liter diesel engines, such as a car, van, boat, SUV, truck and more. Included with the GB50, the new HD Precision Boost Battery Clamps easily connect to any 12V lead-acid battery from lawn mowers to trucks, USB charging cable, microfiber storage bag, our 1-year hassle-free limited warranty, and free lifetime customer support.
- Compact, yet powerful lithium jump starter rated at 1,500 amps up to 30 jump starts on a single charge.
- An ultra-safe and mistake-proof design with spark-proof technology and reverse polarity protection, which allows it to safely connect to any battery.
- An ultra-bright 200 lumen LED flashlight with 7 light modes including SOS and emergency strobe.
- Recharge your personal devices on the go, like smartphones, tablets, e-watches and more - up to 6 smartphone recharges.
- Designed for gas engines up to 7 liters and diesel engines up to 4.5 liters for small diesel cars, SUVs, boats, trucks, ATVs, motorcycles and more.
- New Feature: Hot and Cold LED indicators of the internal battery operating temperatures to protect your batteries and devices.
- New Accessory: Includes HD Precision Boost Battery Clamps designed to easily connect to any 12V lead-acid battery from powersports to trucks.
Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 3–4 business days.
Special-order items: timeline confirmed after order.
Returns & warranty
Returns & Satisfaction Guarantee
We stand firmly behind the quality of every product we sell. Your confidence matters to us — and we back it with a straightforward 30-Day Satisfaction Guarantee.
If you are not fully satisfied, you may request a return within 30 days of delivery. All returns must receive pre-approval prior to being sent back. Unauthorized returns will not be accepted.
To qualify for a return:
Item must be in new, unused condition
Product must be in its original packaging
All parts, components, hardware, manuals, and accessories must be included
Packaging must be undamaged and suitable for resale
Important:
Electronics are strictly inspected. No returns on open-box electronics. Exceptions may apply only with prior written approval. Any electronic unit that has been installed, powered, activated, or altered may not be eligible for return.
We are serious about product integrity — and equally serious about taking care of our customers. If there is ever a product issue, contact us immediately so we can make it right.
For return authorization, please contact our support team before shipping anything back.