Calculate how many solar panels you need with this solar calculator. Great for estimating the solar panels needed for a solar array project.
Calculate how many solar panels you need with this solar calculator. Great for estimating the solar panels needed for a solar array project.
This free Solar Panel Sizer tool helps you calculate the exact number of solar panels, battery capacity, and inverter size needed based on your daily energy use and sunlight availability.
This free DIY solar calculator makes it simple to estimate the size of your solar array, the number of panels, battery storage, and the inverter capacity you''ll need.
For example, a 200 Ah battery can provide up to 2,400 watt-hours (200 Ah x 12V) of energy. Consider your energy needs and lifestyle when determining how large your battery bank
Use our Online MPPT Calculator for PV sizing calculations.
To charge a 120Ah battery effectively, you typically need a solar panel rated between 100W to 300W, depending on various factors such as sunlight availability and usage requirements.
Calculate how many solar panels you need based on your daily power usage. Instantly size your inverter, battery bank, and wiring with this free solar calculator.
Using your daily energy usage and Peak Sun Hours, and assuming a system efficiency of 70%, the calculator estimates the Wattage required for your off-grid solar system''s solar array.
With 300-watt panels, the calculator suggests 20 panels for California and 16 for Texas for optimal efficiency.
Use our solar panel size calculator to find out the ideal solar panel size to charge your lead acid or lithium battery of any capacity and voltage. For example, 50ah, 100ah, 200ah, 120ah.
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.