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Product Description: Genius GB500 Ultrasafe Lithium Ion Jump Starter 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.

Product Description: Genius GB50 Ultrasafe Lithium Jump Starter, 1500 Amps 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.