Battery for 1 Ton AC Backup
1 ton inverter AC averages ~1,000–1,400 W when compressor runs. Backup requires large kWh (often 5–15 kWh) and 48V-class systems — not a router-sized UPS.
Quick sizing for this use case
Typical load: ~1200 W
Recommended backup: 3 hours
Est. energy: 4399 Wh
Suggested bank: 12V 432 Ah
Calculators for this scenario
Size your backup
Use the calculator below with presets for this scenario.
Enter your load
1200W per unit × 1 = 1200W for this row
75W per unit × 1 = 75W for this row