Big Bear Air Compressor 2000mAh Power Bank uses a high-precision alloy die-cast cylinder that can be easily pressurized to 150 psi. With an internal battery of 2000mAh * 2pcs (total 4000mAh), it can completely inflate up to 3 tires before needing a recharge. You can check the tire pressure of your car at any time with its built-in tire pressure detection. It's portable and easy to use, and uses the pressure preset function for precise inflation.
