Jackery Solar Generator 1500 and 4 SolarSaga 100-watt panels can keep your large refrigerator running for nearly 3 hours. Meanwhile, you can keep your mini cooler (60W) charged for 21 hours. Jackery Solar Generator 2000 Pro can power a 520W refrigerator for 3.3 hours, while it charges a mini cooler (90W) for 15 hours.