Battery energy storage
C&I battery systems from 30 kWh residential-plus up to containerised 1 MWh+ platforms. LFP chemistry, EMS-ready, grid-tie or off-grid capable.
→ get pricingONSA Power supplies the electrical backbone of modern energy projects — BESS, hybrid inverters and EV charging kit — to installers and EPCs across Europe. Engineering review on every order.
C&I battery systems from 30 kWh residential-plus up to containerised 1 MWh+ platforms. LFP chemistry, EMS-ready, grid-tie or off-grid capable.
→ get pricing3 kW to 125 kW hybrid, string and industrial inverters — Solis, GoodWe, Deye and Sungrow-class hardware. Single-phase, three-phase, EU-certified.
→ get pricingAC and DC fast chargers (7–120 kW), switchgear, cabling, monitoring and grid protection. One PO covers the whole electrical backbone.
→ get pricingEvery ONSA Power order gets a technical review before it moves. We check system sizing, phase balance and component compatibility — because our team spent four years installing this hardware before distributing it. When a datasheet doesn't add up, we spot it.
Stocked from Central-European hubs. Consolidated freight to European countries — one invoice, one bill of lading, local VAT handling where applicable.
“ONSA Power flagged a phase-imbalance risk on our 240 kW BESS deployment that would have cost us three days on commissioning. Distributors don't usually catch that.”
Send us the brief — system size, key components, delivery window — and we'll return a quote and technical notes within one business day.
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