The Best Jumper Box of 2023

The Boost Max Series - Introducing our most powerful lithium jump starters yet. Designed for the largest, most challenging engine starts ever. With over 6250-amps of starting power, it can jump start gasoline and diesel engines up to 45-liters.

UltraSafe - Safe and easy to use battery jump starter pack without the worry of incorrect connections or sparks. Safely connect to any 12-volt or 24-volt battery with our mistake-proof design featuring spark-proof technology and reverse polarity protection.

Commercial Grade - It's commercial in every way. It jump starts almost every type of vehicle and equipment, including semi-trucks (up to class 8), motorhomes, coaches, buses, mining, agricultural, construction, and vocational equipment - 6, 8, 12, and 16 cylinder - and more. Plus, an integrated digital battery voltmeter for enhanced diagnostics.

Beyond Portable - Jump starters this powerful typically are enormous and weigh hundreds of pounds, but our high discharge lithium technology makes it the most compact and lightweight design in the world - weighing a mere 24-pounds. And its portable carrying case makes jump starting more convenient than ever.

Multi-Functional - It's not just a lithium jump starter but also a portable power bank for recharging smartphones, tablets, and other USB devices, with an ultra-bright 2,200-lumen LED flashlight with seven light modes, including emergency strobe and SOS.

What You Get - GB500 12V/24V UltraSafe Lithium Jump Starter Pack and Power Bank, XGC4 56W Power Adapter with Interchangeable 60-inch (1.5m) AC Cords - Australia (Type I), Europe (Type C), North America (Type A), United Kingdom (Type G) - XGC Kit, Max Protection EVA Case, and 1-Year Limited Warranty.

Start Dead Batteries - Safely jump start a dead battery in seconds with this compact, yet powerful, 1000-amp portable lithium car battery jump starter pack - up to 20 jump starts on a single charge - and rated for gasoline engines up to 6 liters and diesel engines up to 3 liters.

UltraSafe - Safe and easy to use car battery jump starter pack without the worry of incorrect connections or sparks. Safely connect to any 12-volt automotive car battery 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 portable car battery 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.

In The Box - GB40 UltraSafe Portable Lithium Car Battery Jump Starter Pack, Heavy-Duty Battery Clamps, 12-Volt Car Charger, Micro USB Charging Cable, Microfiber Storage Bag, User Guide, 1-Year Warranty, and Designed in the USA.

X for Extreme - An all-new design with extreme jump starting power for powerful engines starts. Rated at 4250-amps, this portable lithium car battery jump starter releases maximum energy at every start. This isn't an upgrade. It's a whole new series - the Extreme Series.

Turbo Chargeable - Boost X is equipped with USB-C technology that, combined with power delivery, gives you lightning-fast recharges. Completely recharges in just 2.7-hours, or go from 0% to jump starting in just 5-minutes of charge.

Charge Everything - With USB-C Power Delivery, you have the power to charge almost everything. Its internal power bank provides 60-watts of power - both in and out - to effortlessly power your favorite USB-C devices, like phones, tablets, laptops, wearables, and more.

UltraSafe 2.0 - We took our UltraSafe technology and made it better. It's still our simple, mistake-free design featuring spark-proof technology and reverse polarity protection, but with enhanced thermal efficiency and power management to provide better performance and longer battery life.

Maximum Versatility - Boost X is one of the most versatile lithium jump starters ever. Jump start all vehicle types, including cars, motorcycles, trucks, ATVs, boats, RVs, vans, SUVs, tractors, and more for up to 10.0-liter gasoline and 8.0-liter diesel engines.

Here's What You Get With Boost X - GBX155 UltraSafe Portable Lithium Car Battery Booster Jump Starter Pack and Power Bank with 60W USB-C Power Delivery, Heavy-Duty Jumper Cable Clamps, USB-C Charging Cable, 12V USB-C Fast Charger, Microfiber Storage Bag, 1-Year Warranty, and Designed in the USA.

Start Dead Batteries - Safely jump start a dead car battery in seconds with this compact, yet powerful, 3000-amp portable lithium car battery jump starter pack - up to 40 jump starts on a single charge - and rated for gasoline and diesel engines up to 10 liters.

UltraSafe - Safe and easy to use car battery jump starter pack without the worry of incorrect connections or sparks. Safely connect to any 12-volt automotive car battery with our mistake-proof design featuring spark-proof technology and reverse polarity protection.

Multi-Function - It's a car jump starter, portable power bank, LED flashlight, and 12-volt portable power. Recharge smartphones, tablets, and other USB devices. It's easily rechargeable from any powered USB port in 6 hours at 2.1-amps. An integrated 500-lumen LED flashlight with seven light modes, including emergency strobe and SOS. Plus, a 12-volt, 15-amp outport port for powering any 12VDC devices, like tire inflators, inverters and more.

Advanced Design - Our most advanced portable car battery 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. Allows rapid charging in 2-hours via the vehicles auxiliary port. And an ultra-compact and lightweight design weighing just 7.5 pounds.

Note: Product dimensions may slightly differs. In The Box - GB150 UltraSafe Portable Lithium Car Battery Jump Starter Pack, Needle-Nose Battery Clamps, XGC Male and Female Connectors, XGC Cable, Micro USB Charging Cable, Microfiber Storage Bag, User Guide, 1-Year Warranty, and Designed in the USA.

The Boost Max Series - Introducing our most powerful lithium jump starters yet. Designed for the largest, most challenging engine starts ever. With over 5250-amps of starting power, it can jump start gasoline and diesel engines up to 16-liters.

UltraSafe - Safe and easy to use battery jump starter pack without the worry of incorrect connections or sparks. Safely connect to any 12-volt battery with our mistake-proof design featuring spark-proof technology and reverse polarity protection.

Commercial Grade - It's commercial in every way. It jump starts almost every type of vehicle and equipment, including semi-trucks (up to class 8), motorhomes, coaches, buses, mining, agricultural, construction, and vocational equipment - 6, 8, 12, and 16 cylinder - and more. Plus, an integrated digital battery voltmeter for enhanced diagnostics.

Beyond Portable - Jump starters this powerful typically are enormous and weigh hundreds of pounds, but our high discharge lithium technology makes it the most compact and lightweight design in the world - weighing a mere 15-pounds. And its portable carrying case makes jump starting more convenient than ever.

Multi-Functional - It's not just a lithium jump starter but also a portable power bank for recharging smartphones, tablets, and other USB devices, with an ultra-bright 600-lumen LED flashlight with seven light modes, including emergency strobe and SOS.

What You Get - GB250 12V UltraSafe Lithium Jump Starter Pack and Power Bank, XGC4 56W Power Adapter with Interchangeable 60-inch (1.5m) AC Cords - Australia (Type I), Europe (Type C), North America (Type A), United Kingdom (Type G) - XGC Kit, Max Protection EVA Case, and 1-Year Limited Warranty.

Start Dead Batteries - Safely jump start a dead car battery in seconds with this compact, yet powerful, 1500-amp portable lithium car battery jump starter pack - up to 30 jump starts on a single charge - and rated for gasoline engines up to 7 liters and diesel engines up to 4.5 liters.

UltraSafe - Safe and easy to use car battery jump starter pack without the worry of incorrect connections or sparks. Safely connect to any 12-volt automotive car battery 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 5 hours at 2.1-amps. Plus, an integrated 200-lumen LED flashlight with seven light modes, including emergency strobe and SOS.

Advanced Design - Our most advanced portable car battery 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 2.7 pounds.

In The Box - GB50 UltraSafe Portable Lithium Car Battery Jump Starter Pack, Needle-Nose Battery Clamps, 12-Volt Car Charger, Micro USB Charging Cable, Microfiber Storage Bag, User Guide, 1-Year Warranty, and Designed in the USA.

Start Dead Batteries - Safely jump start a dead car battery in seconds with this compact, yet powerful, 2000-amp portable lithium car battery jump starter pack - up to 40 jump starts on a single charge - and rated for gasoline engines up to 8 liters and diesel engines up to 6 liters.

UltraSafe - Safe and easy to use car battery jump starter pack without the worry of incorrect connections or sparks. Safely connect to any 12-volt automotive car battery with our mistake-proof design featuring spark-proof technology and reverse polarity protection.

Multi-Function - It's a car jump starter, portable power bank, LED flashlight, and 12-volt portable power. Recharge smartphones, tablets, and other USB devices. It's easily rechargeable from any powered USB port in 6 hours at 2.1-amps. An integrated 400-lumen LED flashlight with seven light modes, including emergency strobe and SOS. Plus, a 12-volt, 15-amp outport port for powering any 12VDC devices, like tire inflators, inverters and more.

Advanced Design - Our most advanced portable car battery 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. Allows rapid charging in 2-hours via the vehicles auxiliary port. And an ultra-compact and lightweight design weighing just 5 pounds.

In The Box - GB70 UltraSafe Portable Lithium Car Battery Jump Starter Pack, Needle-Nose Battery Clamps, XGC Male and Female Connectors, XGC Cable, Micro USB Charging Cable, Microfiber Storage Bag, User Guide, 1-Year Warranty, and Designed in the USA.

X for Extreme - An all-new design with extreme jump starting power for powerful engines starts. Rated at 2500-amps, this portable lithium car battery jump starter releases maximum energy at every start. This isn't an upgrade. It's a whole new series - the Extreme Series.

Turbo Chargeable - Boost X is equipped with USB-C technology that, combined with power delivery, gives you lightning-fast recharges. Completely recharges in just 1.8-hours, or go from 0% to jump starting in just 5-minutes of charge.

Charge Everything - With USB-C Power Delivery, you have the power to charge almost everything. Its internal power bank provides 60-watts of power - both in and out - to effortlessly power your favorite USB-C devices, like phones, tablets, laptops, wearables, and more.

UltraSafe 2.0 - We took our UltraSafe technology and made it better. It's still our simple, mistake-free design featuring spark-proof technology and reverse polarity protection, but with enhanced thermal efficiency and power management to provide better performance and longer battery life.

Maximum Versatility - Boost X is one of the most versatile lithium jump starters ever. Jump start all vehicle types, including cars, motorcycles, trucks, ATVs, boats, RVs, vans, SUVs, tractors, and more for up to 8.5-liter gasoline and 6.5-liter diesel engines.

Here's what you get with the all-new Boost X: GBX75 UltraSafe Portable Lithium Car Battery Booster Jump Starter Pack, Power Bank with 60W USB-C Power Delivery, Heavy-Duty Jumper Cable Clamps, USB-C Charging Cable, 12V USB-C Fast Charger, Microfiber Storage Bag, 1-Year Warranty, and Designed in the USA.

1,700 Peak Amps; 425 Cranking Amps

22Ah Clore PROFORMER Battery

46" Heavy-Duty #2 AWG Cables

Voltmeter provides charge status of onboard battery.The ideal storage environment is room temperature, or 68ºF

DC outlet to power 12 volt accessories; DC input to recharge internal battery

Built-in Automatic Charger