System sizes
These are the configurations we install most often, with what each one typically carries. Treat them as a starting point — the size that ends up on your quotation is the one your own load calls for.
Capacities above are typical configurations, not a price list. Equipment costs move with the exchange rate, so we quote against current rates at the time of the enquiry and hold that price for a stated validity period.
Choosing a battery
This is the single biggest decision on most quotations, and the one where the cheapest option is most often the wrong one — but not always.
| Tubular (lead-acid) | Lithium (LiFePO₄) | |
|---|---|---|
| Cost at purchase | Lower | Higher, typically two to three times |
| Usable capacity | About half the rated capacity | Most of the rated capacity |
| Expected life | Around 3–5 years with good care | Around 10 years or more |
| Maintenance | Topping up and ventilation needed | None |
| Space and weight | Bulky, needs a ventilated rack | Compact, wall or floor mounted |
| Cost over ten years | Usually higher, once replacements are counted | Usually lower |
| Best when | Budget is tight today and the system is small | The system matters and you intend to keep it |
We will quote both on the same document where it is a real choice, so you can see the difference rather than take our word for it.
Included in every installation
Quoted separately
These are the items that move a budget after work starts, so we price them openly rather than bury an allowance that will not hold.
A site visit and a written quotation cost you nothing. You will get a real load assessment, a system sized to it, and a price with every item listed — not a lump sum.