Calculate panels and battery needs
Calculate daily energy use by inputting device wattage and runtime. Determine count and required space based on energy needs. Include battery capacity for off-grid power systems. Export results for planning and sharing.
Showing 21–40 of 1,000 ranked alternatives.
Cristinel Bontas
Size solar systems with precise calculations
Calculate solar system requirements by inputting power consumption and daily sun hours. Size solar panels, battery bank, and charge controller based on energy needs and sunlight availability.
Melchisedec Martinez Rodriguez
Calculate BTU, convert units, compare systems, estimate
Calculate BTU/h capacity and determine recommended equipment types. Convert between BTU, kW, Kcal, and Tons. Check current price estimates and compare inverter versus conventional energy consumption. Unlock advanced features through in- purchases.
Neurio Technology Inc.
View real-time energy data and performance
Monitor live home power consumption and track solar production and battery capacity for PWRcell system owners. View energy cost and consumption data in real time. Sync with Home Energy Monitor for detailed insights.
Nanchang Yepai Technology Co., Ltd.
Connect to devices via Bluetooth
Monitor battery voltage, current, and capacity via Bluetooth connection. View real-time data for lithium batteries, including 12V, 24V, 36V, 48V, and higher voltage models. Connect to agricultural, RV, industrial, and electric vehicle batteries.
Nic Kolbe
Convert units, calculate power, track energy metrics
Convert electrical units including Ampere, Volt, Watt, Ohm, Siemens, Joule, and Second. Calculate duration of energy, peak voltage, and terminal voltage. Adjust number formats for precise results. Perform complex electrical calculations with ease.
Southwire Company
Calculate and wire size
Calculate for a specific conductor run or determine wire size based on and current carrying capacity. Limits wire size to and NEC ampacity. Supports AWG and KCMIL sizes only.
Goal Zero LLC
Monitor and control your devices remotely
Monitor and control devices remotely. Receive real-time notifications about usage. Customize device settings and firmware updates. Check battery levels and track input and output.
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