Batteryinstallation.ie
Smart Tools
Plan with confidence. Get the right battery, the right size, for the right reason.
Our free battery tools are built around real Irish homes and businesses.
Run the numbers, check compatibility, estimate savings or diagnose issues before you spend a cent.
100% Free to use
No sign up. No pressure.
Built for Irish homes
Tariffs, grants and reality.
Independent advice
We're not tied to one brand.
All 8 Tools
Each tool is standalone, but they work even better together.
Your results are passed between tools
Finish one tool and the next one opens with your info already filled in.
Battery Sizing Calculator
Find the right battery size for your home based on your usage, tariff and solar generation.
24-hour analysis
24-hour analysis
Compatibility Checker
Check which batteries work with your existing inverter and system configuration
16 inverter brands
AC & hybrid options
Expansion Checker
See if you can add more capacity to your current battery and what your options are.
15 battery platforms
Stack & module limits
Quote Calculator
Get itemised indicative pricing across retrofit, expansion, battery-only and backup add-on.
Real pricing
Multiple scenarios
Night-Rate Savings
Calculate how much you could save using night-rate charging and arbitrage tariffs.
Tariff arbitrage
Annual savings
Backup Runtime
See how long your battery will keep your home running during a power cut or outage.
16 circuits
Real runtime
Fault Triage Wizard
Answer a few questions about a problem and get likely causes and next steps.
9 common issues
Fix guidance
Peak Shaving Estimator
Upload your half-hourly data to identify peak demand and battery savings potential.
Half-hourly HDF
MIC headroom
Not sure where to start?
Start with the Compatibility Checker to see what’s possible with your system, then size your battery and estimate savings.
1. Check Compatibility
See what works with your existing system.
2. Size Your Battery
Find the right capacity for your needs.
3. Calculate Savings
See how much you could save each year.
4. Get Your Quote
Get pricing for your recommended system.