Elevate your power game with the Schumacher DSR ProSeries 4400 Amp 12-Volt/24-Volt Jump Starter and Portable Power Station. This powerhouse, equipped with dual high-output AGM batteries, doubles the power output, setting a new standard in reliability and performance. Ideal for seasoned professionals tackling the toughest challenges, the DSR166 packs a punch with 4400 peak amps, 750 (12-volt) and 475 (24-volt) cranking amps, and 525 (12-volt) and 350 (24-volt) cold cranking amps, ensuring it can jump-start even 10-cylinder gas and diesel engines with ease. It will even charge your batteries with an internal 2-amp charger. But it doesn't stop there – this beast comes loaded with features including a 12-volt DC accessory outlet for all your device powering needs, and a 2.1-amp USB port to keep your smartphones, tablets, wearables, and laptops juiced up on the go. Crafted with rugged durability to withstand the harshest environments, the DSR166 is your ultimate companion, ready to conquer any challenge thrown its way. Don't settle for less when you can have unparalleled performance and durability with Schumacher's DSR166.