Solar Inverters / SPIRE Off-grid Inverter
SPIRE 3500-24 Off-grid Inverter
Pure sine wave off-grid inverter with MPPT solar charging and parallel expansion reference.
WaveformPure sine wavePeak efficiency>93.6%Transfer time10ms
Solar Inverters
SPIRE Off-grid Inverter
Pure sine wave off-grid inverter with MPPT solar charging and parallel expansion reference.
Solar Inverters / SPIRE Off-grid Inverter
SPIRE 5500-48 Off-grid Inverter
Pure sine wave off-grid inverter with MPPT solar charging and parallel expansion reference.
WaveformPure sine wavePeak efficiency>93.6%Transfer time10ms
Buyer resources
What to decide before asking for price.
Procurement guides
10kWh Home Battery Sizing for Installers
Three routes to a 10kWh residential battery, how to verify the size fits the buyer's load and backup hours, and what to put in an RFQ.
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Procurement guides
EU Solar Certification: A Buyer Prep Guide
Know which certification questions to ask before you quote solar panels, inverters, batteries, or EV chargers for EU markets.
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Sizing tools
Home Battery Sizing Checklist
Estimate the battery energy band from load and backup hours, then shortlist products for a quote conversation.
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Procurement guides
Hybrid Inverter Supplier
A buyer guide for matching single-phase, split-phase, and three-phase hybrid inverters with batteries and PV input requirements.
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