Let's cut through the jargon first. When you see "25.6V 100Ah" on a battery, you're looking at two critical specification
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Let's cut through the jargon first. When you see "25.6V 100Ah" on a battery, you're looking at two critical specifications:
Multiply these numbers and you get the real star of the show: 2,560Wh (2.56kWh). This energy rating tells you it could theoretically power a 100W refrigerator for 25.6 hours – though real-world performance is more like 20 hours due to efficiency losses.
That 25.6V isn't random – it's the sweet spot for modern lithium iron phosphate (LiFePO₄) batteries. Compared to traditional 12V lead-acid systems:
While the specs say 100Ah capacity, actual usable power depends on:
Example: Drawing 50A continuous (0.5C rate) would give ≈1.8 hours runtime instead of the theoretical 2 hours.
This battery configuration shines in:
Charging at recommended 10A (0.1C rate):
Current developments impacting 25.6V systems:
Maintaining 80% DoD (Depth of Discharge):
When comparing batteries, always ask: "Is that 100Ah rating based on 20-hour or 100-hour discharge testing?" The answer could mean a 15% performance difference in real applications. Look for manufacturers providing both C20 and C100 ratings for full transparency.
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