REF—

Load & Backup
Sizer

Group your appliances by circuit or zone. Set diversity buffers per group.

Step 01

Define Your Load

0W
W

Global bufferapplied on top of all groups

Future expansion, design margin, diversity factor

Step 02

Inverter Power Factor

Ratio of real (W) to apparent power (VA). Most Indian home inverters run at 0.8 PF. Leave at 0.8 if unsure.

Step 03

Battery Chemistry & Bank Size

Standards:IEEE 485-2010IS 1651:2013
1
Engineering SummaryUPS/Inverter

Total Load

0

W

Required Inverter

0.00

kVA

PF 0.8 (includes buffers)

Estimated Backup

0.0

hrs

0.72 kWh usable · DOD 50%

Battery Config

ChemistryTall Tubular
Voltage12V
Per-bank Ah150Ah
Banks1
DOD50%
Usable Energy0.72 kWh

Estimates only. Actual performance depends on temperature, battery age, and installation quality. Get a site survey →