Genius GB20 Lithium Ion Jump Starter, 500 Amps
Free returns on all eligible orders
You have 30 days to request a return. All sale items are final sale.
The GB20 is a portable lithium-ion battery jump starter pack that delivers 500-amps for jump starting a dead battery in seconds. It features a patented safety technology that provides spark-proof connections and reverse polarity protection making it safe and easy for anyone to use. It's a powerful battery booster that doubles as a portable power source for recharging USB devices, like a smartphone, tablet and more.
- Compact, yet powerful lithium jump starter rated at 500 amps up to 20 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 100 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 4 smartphone recharges.
- Designed for gas engines up to 4 liters such as ATVs, motorcycles, cars, boats, lawn equipment, and more.
- New Accessory: Includes 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.