With 1500 peak amps, the SL1489 jump starter is perfect for 8.0L gas and 6.0L diesel engines. It delivers superior jump starting performance, due to its advanced 4-cell lithium technology. It will get you started, even at temperatures as low as -10° F.Pre-Boost technology for ultimate cold temperature startingWorry-Free Smart Clamp—provides protection with 6 safety features40x Jump Starts10W wireless charging2.4A USB Port—2X faster charging3.0A USB port—4X faster chargingBuilt-In Light—3 mode ultra-bright LED lightExtra-large displaySchu Eco Energy—meets the highest industry standards for energy efficiency