TOOL 04 OF 04·LIFETIME PEUKERT & DOD DERATING
Battery Backup & Load Runtime Calculator
Calculate exact inverter backup duration in hours & minutes based on your active appliance load profile, battery bank voltage, and chemistry ($LiFePO_4$ vs Tubular).
1. Active Load Profile Builder
TOTAL: 577 W💡
LED Lights
12W each
6
🌀
BLDC Ceiling Fans
35W each
3
❄️
Inverter Refrigerator
150W each
1
💻
Laptops / Workstations
80W each
2
📶
WiFi Router & Fiber ONT
15W each
1
📺
Smart TV / Monitor
75W each
1
❄️
Inverter AC 1.5 Ton
1100W each
0
🚰
Water Pump 1.0 HP
750W each
0
+0 W
2. Battery Bank Specifications
Backup Duration Estimate
CALCULATEDTOTAL ESTIMATED BACKUP RUNTIME
14 hrs 14 min
AT CONTINUOUS LOAD OF 577 WATTS
USABLE ENERGY RESERVE:8.21 kWh (9.6 kWh Nominal)
RECOMMENDED INVERTER SIZE:0.9 kVA Minimum
DISCHARGE CURRENT / C-RATE:12 A (0.06C)
Recommended Inverter & ESS Hardware
Victron MultiPlus-II 5kVA 48V
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