Battery Backup

Well pumps have massive surge loads that break most battery systems. Which batteries handle well pumps, sizing math, and soft-start solutions.

Running central AC on battery backup requires careful sizing. AC power draw math, mini-split vs central, and battery sizing per hour of runtime.

Which EVs support real vehicle-to-home in 2026, what the home-side hardware costs, and how V2H stacks up against a stationary home battery.

SPAN Panel vs Lumin Smart Panel — feature comparison, cost breakdown, and which one fits your battery backup setup in 2026.

How to size battery backup for a multi-day outage — the real math for 24, 48, and 72-hour scenarios plus solar planning.

The two-layer home-office backup setup: UPS for flickers, portable power station for long outages. Sizing and product picks.

The best battery backup for a refrigerator and freezer in 2026 — how much power a fridge needs, which portable power stations to buy, and how long they last.

Saltwater batteries for home storage explained: how the non-toxic, non-flammable chemistry works, its safety and eco advantages, its drawbacks, and who it suits.

Solid-state batteries explained for home energy: how they work, why they promise more density, safety, and longer life, the manufacturing catch, and how close they are.

DC-coupled vs AC-coupled battery systems explained: how each connects to solar, their efficiency and retrofit trade-offs, backup behavior, and which to choose.