Find Your System

Find Your System

Not sure which battery system you need? Start here.

Start Here Check Compatibility

Start Here

Choose the tool first. Do not buy by kWh alone.

Start Here

Battery Size Calculator

Use the battery size calculator if you do not know how many kWh you need.

Best for
First-time sizing
Use when
You know your loads and backup hours
Open Calculator

  • Backup Runtime Calculator

    Use the backup runtime calculator if you want to know how long a battery can run your loads.

    Best for
    Backup time check
    Use when
    You know battery size and load power
    Open Tool

  • Choose by Use

    Use choose battery by use if you know the job, but not the system.

    Best for
    Home / Business / Factory / Off-grid
    Use when
    You want the right system direction
    Open Tool

  • Choose by Capacity

    Use choose battery by capacity to compare 5kWh, 10kWh, 20kWh, 50kWh, and larger systems.

    Best for
    Quick capacity comparison
    Use when
    You already have a size range
    Open Tool

  • Check Compatibility

    Use battery compatibility check before ordering if you already have solar panels, an inverter, or batteries.

    Best for
    Avoiding mismatch
    Use when
    You need inverter and battery confirmation
    Open Tool
Complete System

Build a Complete System

Use this when battery, inverter, solar charging, backup output, and expansion must work together.

Best for
New projects
Use when
You need a complete battery system
Build System

What to Prepare

Prepare these before using a home battery sizing calculator or asking for system matching.

What to Prepare Why It Matters
Load List Shows what the battery must support
Backup Time Decides the required kWh
Inverter Model Confirms voltage and communication
Solar Information Checks solar charging and backup use
Installation Site Confirms wall, rack, cabinet, indoor, or outdoor setup
Expansion Plan Avoids choosing a system that cannot grow

Which Tool to Use

Match your situation to the right selector before comparing products.

Your Situation Use This
I do not know battery size Battery Size Calculator
I want to know backup time Backup Runtime Calculator
I know the application Choose by Use
I want to compare kWh sizes Choose by Capacity
I already have inverter or solar Check Compatibility
I need the full setup matched Build a Complete System

Choose the tool first. Do not buy by kWh alone.

Project Videos

See how battery systems are installed, tested, expanded, and commissioned.

  • Battery Installation

    Placement, wiring, inverter connection, and startup.

  • Backup Power Test

    Real loads running from battery power.

  • Solar Charging Test

    Solar panels charging the battery.

  • Battery Expansion Test

    Extra battery modules added for longer runtime.

  • Complete System Setup

    Battery, inverter, solar input, backup output, and monitoring.

FAQ

I do not know what battery size I need. Where should I start?

Start with the battery size calculator. Use your real load list and backup time.

I want to know how long a battery will last. Which tool should I use?

Use the backup runtime calculator. Enter battery size and load power.

I already have solar panels. What should I check first?

Use battery compatibility check. Confirm inverter model, battery voltage, communication, backup output, and wiring.

Should I buy a battery only or a complete system?

Buy battery only if your inverter is compatible. Choose a complete battery system if battery, inverter, solar charging, and backup output must be matched together.

Can I expand the system later?

Yes, if the battery model, BMS, inverter, wiring, and installation space support expansion. Confirm this before installation.

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