mPower Mini Jump Starter Kit: 12V Compact Vehicle Jump Starter and Phone Charger - 6000mAh Multi-purpose jumpstarter charges smartphones, tablets and computers Slim, light and portable - slightly larger than a smartphone Jumpstarts 12V vehicles up to 6 cylinder cars Three charging modes. Supports fast charging with low self-discharge cycle Multiple safety protections including reverse polarity protection, short circuit protection, fused lead and fused diode protection for reverse charge