Energizer ENX12K Jump StarterSafety is our number one concern; the Energizer ENX12K jump starter is fully UL Listed, most lithium ion jump starters are built with non-approved batteries in order to save on cost. This could leave you stranded with a battery that wont last or even worse a battery that is not safe to use The ENX12K includes smart cables, these smart cables are critical for the safety of the jump starter and your car battery, the protections include; Reverse charge protection, reverse polarity protection, low voltage protection, over current protection, over temperature protection and short circuit protection! Includes an LED flash light, with both solid and intermittent modes (SOS). Includes a battery level, so that you can make sure to charge the battery when its too low Unmatched performance, Our jump starters ability to start a vehicle will outperform any other jump starter with the same battery size.Jumpstart most standaard size vehiclesportable and lightweightCharges smart phones and tablet using a 2.4A USB portDimensions – 30mm(H) x 83mm(W) x 140mm (D)1 x 44,000 mWh jump starter 1 x set of smart clamps