Features: Compact and lightweight design offers the smallest and lightest portable car jump starter for easy carrying. Ultra-portable emergency power. Powerful 12V charge with 3 lithium battery cells delivers 30000mAh capacity and 400A peak current, enabling up to 30 jump starts per full charge. High-capacity reliable performance. Smart protection clamps prevent over-current, reverse charging, over-voltage, short circuit, under-voltage, over-temperature, and reverse polarity for safe operation. Comprehensive safety features. Built-in 5V/2A USB output powers smartphones, tablets, cameras, and other devices, doubling as a portable power bank. Versatile device charging. .