R1500 can be charged with SP037 foldable 400W solar panel, and bundling is more favorable. The R1500 has a power capacity of 1152wh, which is very suitable for home or outdoor power backup. The R1500 has an output power of 1800W, which is compatible with 80% of household appliances, a cycle life of 3500 times, 1500W AC fast charging, and supports 4 charging methods: solar/car charger/AC and AC and solar panel combination charging. It has more than 10 output ports, is lightweight and portable, and is the first choice for outdoor or home emergency! Safe and efficient, enjoy long-lasting power