A few good questions.

Which Grecell model should I buy?

The GRECELL EB1000 Portable Power Station, 1,000W / 999Wh suits campers and backup shoppers who want a 1kWh NCM station at a low price. The GRECELL 2400W Portable Power Station, 1,843.2Wh LiFePO4 suits home-backup and camping buyers who want a LiFePO4 station for refrigerators and power tools.

Who should skip the GRECELL EB1000 Portable Power Station, 1,000W / 999Wh?

Look elsewhere if you want a LiFePO4 chemistry or output above 1,000W.

Who should skip the GRECELL 2400W Portable Power Station, 1,843.2Wh LiFePO4?

Look elsewhere if you want a light, carry-everywhere station.