🔌 Battery Backup Cost Calculator

Estimate the cost of a battery backup system to keep devices running during outages. Covers UPS units, power bank bundles, and solar charger kits.

Project Details

Devices to Power (devices)

How many devices (phones, laptops, routers, lamps) you need to keep running

Runtime Hours (hours)

How many hours of runtime you need between charges or refueling

Backup Type (1=UPS, 2=power bank bundle, 3=solar charger kit)

1 = UPS for computers/router, 2 = power bank bundle for mobile devices, 3 = solar charger for extended outages

Enter your details and hit Calculate to see results.

Editorial picks. Links go to Amazon — we may earn a small commission at no extra cost to you.

✓ UPS units are rated in VA (volt-amps), not watts — multiply VA by 0.6 to get usable watts
✓ Power banks lose 20-30% of capacity over 2 years — replace every 3-4 years
✓ A UPS protects against both outages and power surges — computers need both
✓ Solar chargers work best as a trickle charger for phones, not for high-draw appliances