Which has better price per wh: PECRON R1500 or Generic 3840Wh 3600W?

PECRON R1500 has better value at $0.2734/Wh compared to Generic 3840Wh 3600W at $0.281/Wh — a 3% difference.

PECRON R1500 vs Generic 3840Wh 3600W — Which Has Better Price Per Wh? (April 2026)

✓ Better Value

PECRON R1500

$315.0

$0.2734/Wh — price per watt-hour

1152Wh LiFePO4 1800W output

Buy on Amazon → Full specs

Generic 3840Wh 3600W

$1079.1

$0.281/Wh — price per watt-hour

3840Wh LiFePO4 1800W output

Buy on Amazon → Full specs

PECRON R1500	Spec	Generic 3840Wh 3600W
1152Wh	Capacity	3840Wh
$315.0	Price	$1079.1
$0.2734/Wh	$/Wh	$0.281/Wh
1800W	AC Output	1800W
LiFePO4	Battery	LiFePO4
★ 4.5	Rating	★ 4.4
— lbs	Weight	— lbs
— yr	Warranty	— yr

Which Should You Buy?

PECRON R1500 wins on price per watt-hour by 3% — $0.2734/Wh vs $0.281/Wh. The capacity difference of 2688Wh may affect your decision if you have specific runtime requirements.

Choose PECRON R1500 if you want better value per watt-hour. At $315.0 for 1152Wh, it costs less per unit of stored energy.

Choose Generic 3840Wh 3600W if you prefer the 3840Wh capacity. The 3840Wh provides approximately 50.2 hours of laptop runtime vs 15.1 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 3% $/Wh difference significant?

The 3% 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?

PECRON R1500: LiFePO4. Generic 3840Wh 3600W: 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 →