Lukegao: by freem.ai...

2025-12-19T05:34:26Z

by freem.ai...

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{{DISPLAYTITLE:Battery load duration graph}}

''This conversation was exported from ChatGPT''<ref>{{cite web|title=Battery load duration graph|url=https://chatgpt.com/share/69443d91-03b0-8013-a3d5-292b60eb039c|publisher=ChatGPT|access-date=2025-12-18}}</ref>

== gpt-5-2 ==
=== User: Can you generate a graph with load on y axis and time on x axis for a 4.5kw hour battery so I can have a chart of how l… ===
Can you generate a graph with load on y axis and time on x axis for a 4.5kw hour battery so I can have a chart of how long the battery will last for varying loads

=== Assistant: I’ve generated a chart that shows load kW on the Y-axis and time hours on the X-axis for a 4.5 kWh battery. ===
I’ve generated a chart that shows load (kW) on the Y-axis and time (hours) on the X-axis for a 4.5 kWh battery.

===== How to read this graph =====
* Each point on the curve represents how long the battery will last at a constant load.
* The relationship is: Runtime (hours)=4.5 kWhLoad (kW)\text{Runtime (hours)} = \frac{4.5\ \text{kWh}}{\text{Load (kW)}}Runtime (hours)=Load (kW)4.5 kWh
* Higher load → shorter runtime
* Lower load → longer runtime

===== Example values (approx.) =====
* 0.5 kW load → ~9 hours
* 1.0 kW load → ~4.5 hours
* 2.0 kW load → ~2.25 hours
* 3.0 kW load → ~1.5 hours
* 4.5 kW load → ~1 hour

===== Notes =====
* This assumes 100% usable capacity and constant load.
* Real systems may run slightly shorter due to inverter losses, battery reserve limits, and efficiency (typically 85–95%).

If you want, I can:
* Add efficiency losses (e.g., 90%)
* Create a table you can export to Excel
* Re-plot it with specific loads you care about (e.g., 300 W, 800 W, 1.2 kW, etc.)

== References ==
<references />

[[Category:ChatGPT Shares]]
[[Category:openai]]

Openai/69443d91-03b0-8013-a3d5-292b60eb039c - Revision history

Lukegao: by freem.ai...