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UPS High-Voltage Lithium Battery Planner

Enter the UPS DC-side information, actual load and required runtime to review a preliminary high-voltage LiFePO4 battery direction.

Preliminary project guidance only. Final battery configuration requires confirmation of the exact UPS model, complete DC operating window, charging parameters, BMS requirements and approved battery discharge data.

Project information

Enter the known UPS requirements

Actual load and runtime are required. UPS model and DC-side documentation remain strongly recommended.

kW
Battery direction is not calculated from UPS kVA alone.
UPS identificationOptional, but strongly recommended for technical review.
Optional, but strongly recommended.
kVA
Add technical details for a better reviewOptional, but useful for current, charging and compatibility checks.
Planning assumption: 95% UPS efficiency. Replace this value if the exact efficiency is known.
VDC
VDC
VDC
A
°C
UPS / BMS Communication Requirement
The presence of CAN or RS485 hardware does not confirm protocol compatibility. This planner does not perform protocol matching.
Existing Battery Information

For project context only; these values do not define the replacement configuration.

V
Ah

No project data is stored on a server by this tool.

Engineering boundary

Why this is only a preliminary calculation

The calculations use actual load, runtime and the efficiency value shown in the form. They do not apply an assumed depth of discharge, aging factor, temperature factor, reserve or final usable-energy allowance.

Final selection still depends on the complete UPS DC voltage window, charger capability, BMS and communication behavior, center-tap or two-wire architecture, site conditions and model-specific constant-power discharge data.

Continue the project review

Related technical guidance

Use these guides when you need more detail on UPS DC-side requirements, battery selection or high-voltage LiFePO4 project planning.

High-Voltage LiFePO4 Battery HubUPS Lithium Battery Selection GuideUPS DC Bus Voltage Checklist