The BP2000 portable power station has a state-of-the-art bi-directional inverter that allows for ultra-fast AC recharging of up to 1800W the highest when using mains power. It uses premium explosion-proof LiFePO4 batteries with 3500 life cycles and a smart BMS for safe and stable power delivery. It has an MPPT power chip for efficient solar charging and can function as a UPS during power outages. It can also connect extra batteries in parallel to meet varying power needs.2048Wh Capacity 2200W AC OutputWith a maximum 2048Wh capacity and 2200W AC output the OUKITEL BP2000 power station is capable of powering almost all life essentials from full-sized refrigerators and microwaves to kettles and hairdryers.Pure Sine Wave 2200W InverterThe pure sine wave inverter delivers constant voltage and protects sensitive electronics from damage and normal running.Expand Up to 7 Battery PacksEach BP2000 is 2048Wh plus up to 7 x B2000 (each 2048Wh) expansion batteries to reach a total capacity of 16384Wh power your basic family needs during daily use or power outages.Rapid AC RechargingBP2000 completely charges quickly via AC wall outlet in 1.5 hours or dual charged by PV1OOOW + AC1800W within 1 hour allowing you to start using it again in a short time.Multiple Charging OptionsOUKITEL BP2000 offers 5 charging ways: AC Solar AC+Solar Car and generator and it has a control button to regulate the charging speed which prevents overheating or other safety hazards that may result from overcharging.2000W UPSEven a momentary power outage may result in data loss or hardware damage the 2000W UPS (Long-Lasting LiFePO4 BatteriesEquipped with EV-grade batteries that will remain healthy for up to 3500 charge cycles or equivalent to 10 years of use.