ALLPOWERS R1500 can get 2.3kw of power capacity with B1000 expansion, which is very suitable for home or outdoor power backup. R1500 has 1800W output power, which is compatible with 80% of household appliances, 3500 cycle life, 1500W AC fast charging, supports solar/car charger/AC, provides 4 charging methods of AC and solar panels, more than 10 output ports, light and portable, it is the first choice for outdoor or home emergency! Safe and efficient, enjoy lasting power, can be connected to 3 B1000 expansion batteries.