Which has better price per wh: Generic 3840Wh 3600W or OUPES 2400?

Generic 3840Wh 3600W has better value at $0.281/Wh compared to OUPES 2400 at $0.3132/Wh — a 10% difference.

Generic 3840Wh 3600W vs OUPES 2400 — Which Has Better Price Per Wh? (April 2026)

✓ Better Value

Generic 3840Wh 3600W

$1079.1

$0.281/Wh — price per watt-hour

3840Wh LiFePO4 1800W output

Buy on Amazon → Full specs

OUPES 2400

$699.0

$0.3132/Wh — price per watt-hour

2232Wh LiFePO4 2400W output

Buy on Amazon → Full specs

Generic 3840Wh 3600W	Spec	OUPES 2400
3840Wh	Capacity	2232Wh
$1079.1	Price	$699.0
$0.281/Wh	$/Wh	$0.3132/Wh
1800W	AC Output	2400W
LiFePO4	Battery	LiFePO4
★ 4.4	Rating	★ 4.4
— lbs	Weight	— lbs
— yr	Warranty	— yr

Which Should You Buy?

Generic 3840Wh 3600W wins on price per watt-hour by 10% — $0.281/Wh vs $0.3132/Wh. The capacity difference of 1608Wh may affect your decision if you have specific runtime requirements.

Choose Generic 3840Wh 3600W if you want better value per watt-hour. At $1079.1 for 3840Wh, it costs less per unit of stored energy.

Choose OUPES 2400 if you prefer the 2232Wh capacity. The 2232Wh provides approximately 29.2 hours of laptop runtime vs 50.2 hours.

Not sure what capacity you actually need? Use our size calculator to find out. To see which station runs your specific devices longest, try the runtime calculator.

FAQ

Is the 10% $/Wh difference significant?

The 10% difference is relatively small. In this case, other factors like warranty, brand support, and specific features may matter more than $/Wh alone.

Do both have LiFePO4 batteries?

Generic 3840Wh 3600W: LiFePO4. OUPES 2400: LiFePO4. LiFePO4 batteries last 2,000-4,000 cycles vs 300-800 for standard Li-ion — an important consideration for long-term value. See our full comparison.

All stations by $/Wh → Runtime calculator →