Side-by-side comparison of price per watt-hour, capacity, and specs. Updated 2026-04-05.
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 GRECELL 300W 288Wh if you prefer the 288Wh capacity. The 288Wh provides approximately 3.8 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.
Yes — 19% is a meaningful difference. Over the lifetime of the product, buying at 0.281/Wh vs 0.3472/Wh saves real money.
Generic 3840Wh 3600W: 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.