Specs & Sizing
Deep dives on capacity, surge, inverter derate, 240V, transfer switches, and how GridMatch calculators score units.
Specs & SizingDo You Need a Transfer Switch for a Home Backup Battery?
A home backup battery is not automatically a backup system for the house. The overlooked decision is how power reaches the appliances: cords, a selected-circuit transfer switch, or an installed whole-home path.
8 min read
Specs & SizingCan a Home Backup Battery Run a 240V Well Pump?
A large wattage number on a battery does not prove it can run a well pump. The system must produce true 120/240V split-phase power, start the pump motor, and connect through approved transfer equipment that cannot backfeed the utility.
11 min read