Designed to provide efficient and convenient inflation, the Lithium Rechargeable Air Pump is a powerful air pump. With a 450L per minute airflow, this pump is ideal for inflating air beds, pool and toy inflatables. Equipped with a built in 2000mAh rechargeable lithium battery, the air pump offers the freedom to inflate without requiring a connection to power. This compact and lightweight unit operates for up to 12 minutes and can charge in 4 hours.