VanXcel TheBIG Kit – Off-Grid Power System | 1500W Converter + 300Ah Battery – 12% Discount Bundle

TheBIG Conversion Package

Upgrade your larger van into a full-scale off-grid energy system with TheBIG package. Tailored for spacious vehicles like the Mercedes Sprinter, this all-in-one kit delivers high-performance power and robust functionality — ideal for extended travel and energy-demanding setups.

Why Choose TheBIG?

When you’re planning a professional van conversion, you quickly discover how complex a reliable power system can be. Choosing matching converters, batteries, solar components, cables, fuses, and outlets becomes a time-consuming puzzle.

TheBIG takes away all that complexity. This comprehensive electricity conversion package is engineered with all high-capacity components pre-selected and 100% compatible. Whether you're powering a full camper interior, mobile workspace, or off-grid living setup — TheBIG has you covered.

What's Included?

1. Power Conversion & Storage

VanXcel 5-in-1 Converter – 1500W Pure Sine Wave (included)
A powerful, all-in-one solution with 5 integrated functions:

• DC-DC Charger (vehicle alternator to battery)
• MPPT Solar Charge Controller (up to 300W solar input)
• AC Battery Charger (shore power)
• 12V DC Output for appliances
• 230V AC Inverter Output – pure sine wave

The 1500W converter provides clean and stable output, even for sensitive electronics and high-demand devices. Includes a wired LCD remote control for monitoring, inverter control, and bypass mode — allowing your system to run directly from shore power while charging.

2. LiFePO4 Battery 300Ah

• High-capacity, maintenance-free, and perfect for most setups.

3. Solar Power System

• 150W Solar Panel (1x) – Efficient panel for consistent charging
• Optional: 150W Solar Panel (2x) – Double your charging capacity for extended stays
• Mounting brackets (4x)
• Mounting glue (1x) – Strong rooftop attachment
• Solar cable 6mm² (2x 4m) – Optimal power transfer from panel to system

4. Wiring & Connectivity

• 2.5mm² Cable (10m Red + 10m Black) – For 12V distribution lines
• 50mm² Cable (2m) – For high-current connections between battery and converter
• Optional: 5m Cable Upgrade
• Battery Terminals (Red + Black)
• Ring Terminals (Extra Large, Medium & Small)
• Heatshrink Connectors & Tubing (2.5mm², 6.0mm² + 50mm²)
• Cable Glands (Firewall & Roof) – Secure, waterproof cable routing

5. Fuses & Protection

• Burn Fuses: 10A (5x), 20A (5x), 30A (5x) – For internal 12V circuits
• Automatic Circuit Breaker 150A (included) – Protects high-current lines
• Fuseholder (12 slots) – Organized fuse placement and easy access

6. Switches & Outlets

• Switch Panel (5 slots x2) – Easy control for all circuits
• USB Wall Plug (2x) – Device charging points
• EU 230V Wall Plug (2x) – For powering high-consumption equipment
• EU 230V Powerstrip - Providing power with 2x 230V outlet and 2 USB outlets (1x USB A and 1x USB C)

7. Additional Accessories

• Relay 140A (Optional) – For intelligent DC-DC relay-based switching (only if alternator voltage >12.8V)
• Manual Killswitch 200A (Optional) - Designed for manual switching in DC charging systems
• Cable Ties (Small, Medium, Large) – Neat and secure installation

What Can You Power with TheBIG?

• Full camper interior lighting
• Smartphones, laptops, tablets, camera gear
• Fridges, cooktops, espresso machines, fans
• High-demand appliances and 12V equipment
• Water pumps, diesel heaters, 12V compressors

Battery Performance Examples:

• 60W Fridge: ~30–35 hours use (200Ah) / ~50–55 hours (300Ah)
• 10W LED Lights: ~200–300 hours
• Laptop Charging (50W): ~40–60 charges
• Combined with solar input = extended off-grid autonomy

Why TheBIG Stands Out

✔ Heavy-Duty, All-in-One System — Everything you need, expertly matched and pre-configured
✔ Designed for Larger Vans — Extra power, extra space, extra reliability
✔ Expandable & Future-Proof — Ready for upgrades and high-demand installations
✔ Hassle-Free DIY Installation — Includes all cabling, fuses, connectors & diagrams

TheBIG is your ultimate power backbone — strong, reliable, and adventure-ready.

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