Calculate exactly how much battery storage you need for backup power, bill savings, or off-grid living. Free calculator + expert sizing guide included.
The battery size required to power a household depends on daily energy consumption and backup duration needs. For example, a typical U.S. home uses ~30 kWh/day. A 10–15 kWh lithium-ion
Not sure what size home battery you need? Learn how to calculate the right battery capacity based on your energy usage and solar setup.
Discover the perfect battery size for your home in 2025—based on real family cases, solar capacity, TOU rates, EV impact & off-grid energy needs.
Get started with a quick, no-fuss estimate of your battery capacity. Follow these three steps to lock in a ballpark figure—then refine it with detailed calculations. Audit Your Loads: List all
In this article, we''ll walk you through how to determine your ideal battery size and what factors you should consider before investing. The size of your battery storage system determines
Charging an electric car at home is a big step toward energy freedom. But one major question often slows people down: What size battery is enough to support it? This guide is written for
With these considerations, choosing the right battery size to run your house largely depends on your energy consumption, usage patterns, and backup needs. It is vital to calculate your
To find the right backup battery size, calculate your daily energy needs in kilowatt-hours (kWh). Add the wattage of the appliances you want to use and multiply by their operating hours.
What size home battery do you really need? Learn how to match battery capacity to your household''s energy use, solar output, and...
Scelto Energy Africa is a leading energy storage equipment manufacturer and integrator based in South Africa, serving the African market. We specialize in lithium-ion batteries for residential, commercial and industrial use, system-level battery management systems (BMS) for optimal performance and safety, energy conversion systems (PCS) for efficient power flow, energy storage battery system cabinets with integrated monitoring, communication cabinets for telecom and data centres, commercial & industrial energy storage cabinets for factories and warehouses, integrated PV-storage systems for seamless solar plus storage operation, distributed energy resources for microgrids and off-grid applications, and deep discharge battery technology for extended cycling. As a full-service provider, we also offer containerised BESS, modular battery racks, backup emergency power, and zero‑carbon microgrids. Our advanced lithium‑ion and sodium‑ion solutions ensure safety, scalability, and high performance for residential, commercial, industrial, and utility projects across Africa.
Our modular energy storage portfolio ranges from compact lithium-ion batteries to 20ft/40ft mobile containers and outdoor all-in-one storage cabinets with IP54 protection. We are a leading energy storage equipment manufacturer, offering communication cabinets for 5G/telecom, server racks for data centers, and IP54 rated enclosures for harsh environments. Our stackable design allows flexible capacity expansion, while our grid-forming technology ensures stable off‑grid operation. Whether for off‑grid power systems, backup emergency power, integrated PV-storage or large zero‑carbon parks, our products feature advanced thermal management, deep discharge cycling, and compliance with African and international standards. We also provide professional energy storage system installation and after‑sales support across Africa.