12V 300Ah Lithium Vehicle Power System – Victron MultiPlus 3000 / 50A Solar / Touch 50
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12V 300Ah Lithium Van & Marine Power System
Victron MultiPlus 3000 • 50A Solar • Orion XS • Cerbo GX + Touch 50
Complete 12V Lithium Power System for Van Conversions & Marine Installations
This professionally engineered 12V lithium power system is designed for serious van builds and marine applications requiring reliable inverter power, solar charging, alternator charging, and full system monitoring.
Built around Victron Energy’s Next Generation lithium platform and Lynx Smart BMS architecture, this 300Ah configuration delivers dependable off-grid performance with clean 120V AC power, intelligent energy management, and advanced system visibility.
Whether you're building a high-end van conversion or upgrading your marine electrical system, this kit provides a fully integrated solution using premium components.
System Configuration (This Kit Includes)
🔋 Battery & Energy Storage
- 1× Victron LiFePO4 Battery 12.8V 300Ah NG
- 1× Lynx Smart BMS Next Generation (NG) M10 - 500 A
- 1× Victron Lynx Power In (M10)
- 1× Victron Lynx Distributor
Provides safe lithium battery management, intelligent cell monitoring, and scalable system expansion.
⚡ Inverter / AC Power
- 1× Victron MultiPlus-II 120V - 12V / 3000VA / UL Certified
-
1x Blue Sea A Series Toggle Double Pole Circuit Breaker - White / 30A
-
1x Blue Sea A Series Circuit Breaker Enclosure
Delivers clean 120V AC power for appliances, shore power charging, and seamless inverter/charger functionality.
☀ Solar Charging System
- 1× Victron SmartSolar MPPT -Tr - 100V / 50A
-
1x 2 Pole DC MCB SL7N-125D 800V 50A (UL 1077)
- 1x Din Rail Cut to Length - 5 Inch
- 2x Screwless Din-Rail End Stop - 6 mm (249-116)
Optimized MPPT solar charging for efficient energy harvest and lithium compatibility.
🚐 Alternator Charging
Safely charges your lithium bank directly from your vehicle alternator with controlled DC-DC regulation.
📊 Monitoring & Control
- 1× Victron Cerbo GX Mk2
- 1× Victron GX Touch 50 - Regular
- 2× Victron VE.Direct Cable 10m
- 2× RJ45 UTP Cable 10 m
Complete system monitoring, remote access capability, and real-time performance visibility.
🛡 System Protection & Distribution
- 1x Class T Fuse Holder Victron Battery Mount - 12V 300AH & 24V 300AH / Top
- 1x Blue Sea Class T Fuse Block with Insulating Cover - 225-400A
- 1x Bussman Series Class T Fuses - 400A
- 1x M8 circular connector Male/Female 3 pole cable (bag of 2) - 1m
- 1x Blue Sea ST-Blade Mini Fuse Block - 4
- 3x Blue Sea Fuse ATO/ATC - 1A
- 1x Victron MEGA Fuse - 80V / 60A / 5 pcs
- 1x Victron MEGA Fuse - 80V / 225A / 5 pcs
- 1x Victron MEGA Fuse - 80V / 400A / 5 pcs
- 1x Blue Sea Series 187 Surface Mount Thermal Circuit Breaker - 60A
- 1x Blue Sea Series 187 Surface Mount Thermal Circuit Breaker - 100A
-
1x Victron Smart BatteryProtect - 12/24V / 220A
- 1x Blue Sea PowerBar Dual BusBar - Two 3/8"-16 Studs - Without Insulators
Engineered protection architecture to safeguard your battery bank, inverter, solar, and DC loads.
Why This System?
✔ Designed around Victron’s latest NG lithium ecosystem
✔ Fully integrated BMS + Lynx distribution platform
✔ Alternator + Solar charging capability
✔ 3000VA inverter power for serious off-grid loads
✔ Expandable architecture for future upgrades
✔ Ideal for premium van conversions and marine electrical systems
Need a Different Capacity?
This system platform is also available in:
- 400Ah Configuration
- 600Ah Configuration
- 800Ah Configuration
- 1000Ah Configuration
Call us at 248-971-2199 or info@custommarineproducts.com for custom builds tailored to your van or marine project.
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