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Victron 12V 4kW Dual-Battery 570W Solar Kit (920Ah Lithium) - KIT44

SKU: KIT44

Maximize your off-grid independence with our ultimate dual-battery power hub. The Callidus KIT44 is a premium, high-capacity system combining two 285W monocrystalline solar panels (570W total), two massive 460Ah Fogstar Drift Gen2 Lithium batteries (920Ah total), and a powerful Victron MultiPlus-II 12V 4000W inverter charger. Complete with advanced touchscreen monitoring, dual-battery isolation switches, and high-speed alternator charging, this system provides unmatched energy storage for long-term off-grid stays.

  • Huge 920Ah Dual Lithium Battery Bank: Two high-performance 460Ah Fogstar Drift Gen2 batteries provide a massive reservoir of energy, letting you run high-load mains appliances for days without shore power.
  • Expanded 570W Solar Input: Includes two 285W monocrystalline solar panels and an upgraded Victron MPPT 100/50 SmartSolar controller to harvest more energy even on overcast days.
  • Multi-Source Charging Suite: Charge quickly via solar power, vehicle alternator using the Orion XS 50A DC-DC charger, or hook up to mains power.
  • Central Touchscreen Monitoring: Track your entire energy ecosystem in real-time with the central Cerbo GX MK2 and the GX Touch 50 touchscreen dashboard.
  • Dual-Battery Isolation and Safety: Specially engineered with dual Bluesea e-Series switches, heavy-duty 95mm² and 70mm² DC cabling, and 400A MEGA fuses to manage parallel high-current pathways safely.
£5,100.00
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Understand This System

Who Is It For?

Ideal For:

  • Long-term off-grid travelers, full-time vanlifers, and heavy power users who need complete electrical independence.
  • Larger campervans, overland trucks, expedition vehicles, and marine vessels with high daily power demands.
  • High-draw setups running demanding AC appliances like induction hobs, electric ovens, or air conditioning units.

Not For:

  • Small campervans, daily drivers, or short-trip weekenders with minimal electrical requirements.
  • Standard domestic household grid-tie systems.

Looking for something Bespoke?

As a leading UK Victron Distributor and the Official UK Pytes Distributor our in house engineering team can deliver bespoke solutions. We handle design, specification, and system optimisation to meet your specific needs, regardless of size, weight, environmental, or regulatory constraints. From DIY projects up to large scale commercial projects our team can do it all.

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