• 2250 Amps of Lithium Power: An advanced lithium battery delivers up to 2250 amps of jump starting power strong enough for 10.0L and 8.0L diesel engines; Jump start cars, trucks, motorcycles, boats, marine batteries, SUVs, ATVs, and more.
• 2X Faster Charging: The SL1654 lithium battery power bank provides 49.58 Wh of power and can safely charge your smart devices like phones, s, laptops, wearables, and more via USB power delivery.
• Quick-Charge USB Power Source: The 2.4-amp USB port charges mobile devices two times faster than a standard USB charger; Charge your Apple and Android devices.
• Works In Extreme Conditions: Schumacher’s Pre-Heating Technology warms the battery, making it possible to start a vehicle in extremely cold temperatures; Pre-Boost technology can safely add pre-charge to deeply discharged batteries.
• 40X Jump Starts: The Rugged by Schumacher SL1654’s powerful inte¬rnal lithium-ion battery allows users to jump start a vehicle up to 40 times on a single charge.
• Recharges Quickly: Fully recharge the SL1654’s powerful internal lithium battery in 7 to 8 hours via the USB charging cable or 4 hours with the 12-volt DC car charger; The internal battery recharges three times faster than traditional AGM jump starter batteries.
• Safety And Peace of Mind: Ideal for roadside emergencies, with the SL1654 you can jump start your vehicle yourself with no need to down a stranger or call for help.
• LED Work Light: The Rugged by Schumacher SL1654’s built-in, three-mode LED light provides emergency illumination and light for under-the-hood maintenance.
• In the Box: The Rugged by Schumacher SL1654 Lithium Portable Power Pack and Jump Starter, 12V DC car charger, USB charging cable, carry bag, and user manual.

Schumacher Electric is trusted by professionals and home consumers alike to deliver powerful performance and rugged design. Its line of RUGGED by Schumacher lithium jump starters combines cutting-edge technology and superior starting power in a lightweight and compact unit that will fit in most glove compartments. Featuring a powerful internal lithium battery, the RUGGED by Schumacher SL1654 Lithium Portable Power Pack and Jump Starter features 2250 amps of starting power, which is strong enough to jump start large vehicles. The SL1654 also lets users jump start their vehicle in less than ideal conditions. Pre-Boost technology delivers a breakthrough advantage by safely adding a pre-charge to deeply discharged batteries. Pre-Heating technology warms batteries in extreme cold, making it possible to start a vehicle even in extremely cold temperatures. The SL1654 also functions as a USB power source. The 2.4-amp USB port lets users charge mobile devices two times faster than a standard USB charger. When the time comes to recharge the SL1654 Rugged Lithium Jump Starter, it will recharge three times faster than a traditional AGM jump starter. The SL1654 also features an ultra-bright, multifunction LED work light, which unlike competitor’s units is located on the same side as where the booster cables attach to the unit, making it easier to direct the light to your work area. En español (ES): Schumacher Electric cuenta con la confianza de profesionales y consumidores domésticos por igual al ofrecer un rendimiento potente y un diseño robusto. Su línea de arrancadores resistentes con batería de litio combina tecnología de punta y una potencia de arranque superior en una unidad ligera y compacta que cabe en la mayoría de las guanteras. Con una potente batería interna de litio interna, el resistente arrancador Schumacher SL1654 de 2250 A con fuente de alimentación USB cuenta con 2250 amperios de corriente de arranque pico, suficiente para arrancar grandes vehículos. El SL1654 también permite a los usuarios arrancar su vehículo en condiciones no ideales. La tecnología Pre-Boost ofrece una ventaja revolucionaria al añadir de forma segura una precarga a baterías muy degadas. La tecnología de precalentamiento calienta las baterías en condiciones de frío extremo, lo que permite hacer arrancar un vehículo incluso a temperaturas extremadamente bajas. El SL1654 también funciona como fuente de alimentación USB. El puerto USB de 2.4 A permite cargar los dispositivos móviles dos veces más rápido que un cargador USB estándar. Cuando llegue el momento de recargar el resistente arrancador SL1654 con batería de litio, se recargará tres veces más rápido que un arrancador AGM tradicional. El SL1654 cuenta también con una luz de trabajo LED multifunción ultrabrillante que, a diferencia de las unidades de la competencia, se encuentra en el mismo lado donde los cables de refuerzo se conectan a la unidad, lo que facilita dirigir la luz al área de trabajo.