Price list on offer until 30 September 2026 · DDP — also Sardinia and islands (contact us) See offers · BMS Seplos V3 / JK · prices to confirm by email

Empty boxes, BMS, cables and accessories

Components for builders and expanders. Custom cables reserved for CEG inverter/battery customers.

Empty boxes + BMS

OpDescriptionPriceLead time
Op8 16S China Horiz. 510 € · Vert. 670 € 6/9 weeks
Op9 16S DE Seplos3 / JK Horiz. 590 € · Vert. 840 € ~5 days
Op10 8S 24 V China · 44×40×24 490 € ~8 weeks

Accessories

OpDescriptionPrice
Op11Seplos balancer110 €
Op12Cell warranty extension +10 years (already 5 years on everything)120 €
Magicbox single-phase / three-phase185 € / 195 €
Wi-Fi / data logger Growatton request by email
Flexible copper cables with lugs (CEG customers)on request by email

Custom cables (CEG customers only)

Anyone who already purchased CEG inverters or batteries may request custom cables. Contact by email only — we do not sell custom cables to non-CEG customers.

  • Copper 100% pure, superflexible
  • Cross-sections by inverter power / battery parallel
  • Capicorda and connettori in copper stagnato
  • Parallel cables hand-made in the CEG lab

Quote and cross-sections: confirm by email stating your Growatt CEG model or battery already purchased.

Box specifications

  • J-CAP: white only; active balancer already inside where specified.
  • CELOS: white or black with Carmine Energia Gratis branding (incoming units: active JK balancer planned in future CELOS).
  • Fire aerosol ~40 g: included in the DC panel; also available as accessory on request.
  • Growatt/Magic Box PDF manuals: internal study only — not published.

Order materials Complete batteries

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