Not a lot of love lost between W&H’s young owners and their ex manager Billy Rowley it seems. He’d better do well at Yeovil as this won’t do his reputation any good.
Please can you sense-check this quote for an additional Sig 9kWh battery?
Background:
Sig system (8kW inverter, 9kWh battery for 10.3 kWp array) installed in March and yesterday received an email from Sig UK about upgrading the inverter.
Forwarded this on to the installer and at the same time requested a quote to add another same-size battery. Was quoted £3,550 - I queried this as being on the steep side as the unit cost is about £2,750. Am I wrong?
Also, any issues to consider if I get the extra battery from a different (cheaper) source?
Thanks