Side-by-side comparison of price per watt-hour, capacity, and specs. Updated 2026-04-05.
Choose HELIOS 3600 if you want better value per watt-hour. At $1199.0 for 3600Wh, it costs less per unit of stored energy.
Choose Generic 288Wh 300W if you prefer the 288Wh capacity. The 288Wh provides approximately 3.8 hours of laptop runtime vs 47.1 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.
The 4% difference is relatively small. In this case, other factors like warranty, brand support, and specific features may matter more than $/Wh alone.
HELIOS 3600: LiFePO4. Generic 288Wh 300W: 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.