Despite the Stanley 12V lithium battery booster’s light weight & compact design, it holds the power to start any 12V battery on up to a 4.0L petrol or 1.5L diesel. Its clear LCD display screen allows you to view the charging levels with a built-in LED light for added convenience. Features & Benefits Power Starter - Use the Stanley battery power booster to start up your 12V battery vehicle engine Convenient - The battery power booster comes with a built-in light for work in low light levels Safe - The battery power booster comes with polarity inversion and short circuit protection functions USB output - Use the USB output to charge all your electronic devices (Smartphone, tablet, MP3, mini drone, etc.) Specifications Dimensions: H23.1 x W7.1 x D17.7cm Weight: 0.86kg Length of Guarantee: 1 Year For 12V vehicle, petrol up to 4.0L, diesel up to 1.5L Maximum Peak Amp : 700A USB output 5V 2.4A USB output 5V 1.0A Recond & power supply mode (5A)