... . 2. 10-year Battery life. 3. Compact design, Portable style, Popular. 1. Key Features:• Good load capability, ... • Compact design, Portable style • Both Solar and AC charging way, solar charging is prioritized, but when solar power is weak, you ... your specified requirement.(solar charging, AC charging, Integrated Charge Controller, inverter or UPS switching function) 300W Portable Solar Power System