High Capacity Battery- Our electric air pump has built-in powerful 4000mAh rechargeable lithium battery. Once fully charged, it can be used for up to 25 minutes. Whether at home or on the trip, you can use our rechargeable air pump to inflateUSB Charging Design- One of the outstanding properties of this rechargeable air pump is that it can be charged from different ways. With USB charging design, you can use car charger, USB adapter or power bank to charge the air pump at home, outdoors or in the carFast Inflation and Economy - This is a very powerful electric air pump (0.44PSI/3034Pa). Its small and powerful motor can maximize airflow and inflate your items quickly and easily. The XLENTGEN air pump can also quickly deflate your items. When deflating, put the nozzle into the air hole, then press the switch to deflate3 Sizes of Nozzles- We equipped the electric air pump with 3 sizes of nozzles (S-0.24in , M-0.28in, L-0.67in) to make sure it is suitable for most kinds of inflatable products. Our quick fill air pump can inflate air rafts, air mattresses, inflatable sofas, inflatable pool toys and swim ringsPortable Air Pump- Our air pump has a compact design. It's small enough to easily fit in a backpack, suitcase, or tool bag. Whether in outdoor or indoor activities, this electric air pump can free up more space for you, easy to carry and use anywhere Product Description Say goodbye to the manual pump. Inflate the item faster so you can spend more time relaxing.USB Rechargeable: Built-in 4000mAh lithium battery, you charge the air pump through the USB input port.Versatility: the air pump can be used to inflate inflatable rafts, inflatable mattresses, inflatable pool toys, inflatable pools, swim rings, etc. Specification: Material: ABS Color: Black Power source: 4000mAh lithium battery (built-in) Charging method: Micro USB charging cable Pressure: 0.44psi / 3034Pa Airflow: 350 L/min Power: 85W Dimensions: 11 x 7.5cm Net weight: 300g/0.66lb