Home Backup Power
Size backup systems around the loads that actually matter during an outage.
How Big a Home Backup Battery Do I Need?
Size a home backup battery using watts, daily watt-hours, outage duration, surge loads and recharge options.
Battery Backup vs Generator: Cost, Runtime, Noise & Outage Strategy
Compare battery backup with fuel generators for short outages, multi-day events, apartment use and whole-home resilience.
Best Power Station for a Gas Furnace: Blower Surge & Overnight Heat
Plan battery backup for a gas or propane furnace by sizing blower startup, controls and overnight cycling.
Best Home Battery Backup for a Well Pump: 120V, 240V & Surge
Choose backup power for a well pump by verifying voltage, motor startup demand and daily water-pumping energy.
10kWh vs 20kWh Home Battery: Which Backup Size Makes Sense?
Compare 10kWh and 20kWh home batteries by critical-load runtime, HVAC goals, recharge and installed-system economics.
Home Battery Backup Without Solar: Does It Still Make Sense?
Understand grid-charged home batteries for outage backup, load shifting and generator integration even without rooftop solar.
Whole-Home Battery vs Portable Power Station: Where Each Wins
Compare installed home batteries with portable power stations on automatic transfer, 240V loads, capacity, mobility and cost structure.
Battery + Generator Hybrid Backup: Why the Combination Can Beat Either Alone
Use batteries for quiet instant power and a generator for energy replenishment during long outages.
120V vs 240V Home Backup: What Your Battery Must Support
Understand why voltage compatibility can matter more than headline watts for wells, HVAC, dryers, ranges and EV equipment.
Power Station for a Gas Boiler: Controls, Pumps & Outage Sizing
Estimate battery backup for a gas boiler by separating electrical controls and circulation pumps from the fuel that provides the heat.
Power Station for a Tankless Gas Water Heater
Size backup power for the electrical controls, ignition and fan in a gas tankless water heater.
What Size Battery Do I Need for a 72-Hour Power Outage?
Turn a three-day outage plan into a battery target by separating daily critical-load energy from inverter output and recharge options.
What Size Battery Do I Need for a 24-Hour Outage?
Calculate one-day home battery requirements from refrigeration, internet, lighting, pumps and other critical loads.
How Much Fuel Does a Generator Cost During a Power Outage?
Estimate outage fuel cost from generator burn rate, fuel price and runtime, then compare it with battery ownership cost.
Battery vs Generator: 10-Year Backup Power Cost
Compare battery and generator ownership over ten years using equipment cost, replacements, fuel, maintenance and outage frequency.
Battery Backup for a Well Pump for 24 Hours
Estimate one-day battery storage for a well pump using motor power, expected run time and startup headroom.
How Many kWh of Battery for a Refrigerator for 3 Days?
Calculate three-day refrigerator battery needs from measured daily consumption, inverter efficiency and reserve.