Alpha 300/500/1000 Benogy Alpha 300/500/1000, a high-end portable energy storage power supply with a built-in A-grade lithium battery, is compatible with varying charging: mains, solar energy, and vehicle, supports AC output, DC, TYPE-C, USB, LED, and other functions, and fits well outdoor camping, emergency situations, backup power supply, RV, ship and other scenarios. Meanwhile, the self-developed BMS control technology perfectly protects the battery and enables high-speed response, high reliability, long lifetime, and lightweight. Product Features �·A-grade lithium battery, long service lifetime, and safer. �· Built-in high-frequency pure sine wave inverter, small size, and large output power. Compatible with a variety of charging methods, and automatic identification of DC and PV charging.