Genius GB500 Ultrasafe Lithium Ion Jump Starter
Free returns on all eligible orders
You have 30 days to request a return. All sale items are final sale.
The Boost Max is the next generation of portable lithium jump starters. Engineered from the ground up, the Boost Max is one of the most powerful and innovative jump starters on the market. Designed for both 12-volt and 24-volt gas and diesel engines in Class 8+/CE high-displacement vehicles and equipment, the Boost Max is 400-percent smaller and lighter than its closest lead-acid equivalent. And it features our patented safety protection for spark-proof technology and reverse polarity protection, as well as the confidence to power your favorite devices ranging from smartphones to tire pumps.
- Compact, yet powerful 12V and 24V lithium jump starter rated at 6250 Amps (3125 Amps in 24V mode)
- Patented safety protection with spark-proof technology and reverse polarity protection that allows it to connect to any battery safely.
- Enjoy portable 12-volt power from anywhere, including tire pumps, inverters, lights, appliances and more.
- A high-intensity 2,200 lumen LED worklight with 7 light modes, including SOS and Emergency Strobe.
- Dual USB ports to recharge multiple devices on the go, like smartphones, tablets and more - over 20 smartphone recharges.
- Designed for both gas and diesel engines up to Class 8+/CE high-displacement vehicles, equipment, trucks and more.
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.