Battery Sizing Calculator
⚠️
Reference sizing & price estimates (FOB Qingdao, EXW) for planning only.
🔋 Load & Autonomy
Load (kW)
*
Backup duration (h)
1 h
2 h
4 h
6 h
8 h
10 h
12 h
System voltage
51.2 V (low-voltage)
204.8 V (HV cluster)
307.2 V (HV cluster)
409.6 V (HV cluster)
512 V (HV cluster)
768 V (HV cluster)
1228 V (HV cluster)
Depth of discharge
80% DoD
90% DoD
95% DoD
100% DoD
📊 Battery Design
Enter the load and backup duration — capacity, configuration and BOM appear here instantly.
🧮 How it was calculated
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Battery Sizing Calculator
from QDTB.