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Bluetti Elite 400 vs Grecell S5 4000W Portable Power Station

Bluetti Elite 400

3840 Wh · 2600 W

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Grecell S5 4000W Portable Power Station

5040 Wh · 4000 W

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What is the difference?

The Bluetti Elite 400 has 2.6 kW of power, 3.9 kW peak, a 3.84 kWh battery. The Grecell S5 4000W Portable Power Station has 4 kW of power, 7 kW peak, a 5.04 kWh battery.

The Bluetti Elite 400 takes up to 1000 W from solar, the Grecell S5 4000W Portable Power Station takes up to 2100 W from solar. The Grecell S5 4000W Portable Power Station charges faster from panels.

The Grecell S5 4000W Portable Power Station can add extra batteries.

Specs side by side

	Bluetti Elite 400	Grecell S5 4000W Portable Power Station
Capacity (Wh)	3840	5040
Continuous (W)	2600	4000
Peak (W)	3900	7000
Solar input (W)	1000	2100
Chemistry	—	LiFePO4
Cycles	—	—
Expandable	—	yes
Weight (lb)	—	112
Warranty (yr)	—	—
Fridge run time	72.4 h	95 h
CPAP run time	86.9 h	114 h
Wi-Fi router run time	253.4 h	332.6 h
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Specs as read from manufacturer pages on 2026-10-26 / 2026-11-03. Specs one maker does not list are left out of the comparison. Run times are for that appliance alone with a typical duty cycle, after inverter and depth-of-discharge losses. Sponsored links; we may earn a commission.

Common questions

Which has more capacity, Bluetti Elite 400 or Grecell S5 4000W Portable Power Station?

The Grecell S5 4000W Portable Power Station. More capacity: 5040 Wh vs 3840 Wh.

Which charges faster from solar, Bluetti Elite 400 or Grecell S5 4000W Portable Power Station?

The Grecell S5 4000W Portable Power Station. Faster solar charging: 2100 W input vs 1000 W input.

More comparisons

Compare other models → · All Bluetti models · All Grecell models