Side-by-side comparison of price per watt-hour, capacity, and specs. Updated 2026-04-05.
Choose OUPES 2400 if you want better value per watt-hour. At $699.0 for 2232Wh, it costs less per unit of stored energy.
Choose GRECELL 300W 288Wh if you prefer the 288Wh capacity. The 288Wh provides approximately 3.8 hours of laptop runtime vs 29.2 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.
The 10% difference is relatively small. In this case, other factors like warranty, brand support, and specific features may matter more than $/Wh alone.
OUPES 2400: LiFePO4. GRECELL 300W 288Wh: check listing. 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.