
MP-Apex 300+2*B500K+SolarX 4K-4500
The China Moneypro Apex 300 + 2×B500K + SolarX 4K Kit is a comprehensive modular energy storage system combining the Apex 300 power station, two B500K expansion batteries, and the high‑power SolarX 4K solar charge controller. Designed for high‑demand off‑grid living, RV travel, home backup, and solar integration, this system delivers 3,840 W continuous output and approximately 13 kWh expandable capacity with support for up to 4 kW of solar charging input.
High Performance & Solar Efficiency
Robust Output for Heavy Loads
- Continuous AC Output: 3,840 W — ideal for powering appliances, tools, and electronics in demanding scenarios.
- Expandable Storage: With two B500K batteries, total usable capacity reaches around 13 kWh for extended runtime.
- High Solar Input: Includes the SolarX 4K controller, enabling up to 4,000 W solar input to rapidly recharge batteries from solar arrays.
Benefits:
- Supports whole‑home backup and high‑power needs.
- Scalable system grows with energy requirements.
- Solar‑ready architecture reduces grid dependence and costs.
Modular Expandability
Smart System Architecture
- Apex 300 Base Unit: Core inverter with advanced battery management and power distribution.
- Dual B500K Batteries: Add significant stored energy capacity for long runtime and heavier loads.
- SolarX 4K Solar Controller: High‑capacity MPPT controller tailored for large PV arrays and faster charging.
Advantages:
- Start with essentials and expand for larger applications.
- Adapts to both mobile and stationary power needs.
Intelligent Power Management
Seamless Control & Monitoring
- Integrated power distribution automatically balances input sources.
- Compatible with China Moneypro App for performance monitoring and settings adjustments (optional).
- UPS‑ready features help ensure uninterrupted power during outages.
Benefits:
- Real‑time insight into system performance.
- Smart load prioritization optimizes energy flow.
- Reliable backup power with minimal interruption.
Rugged, Reliable & Future‑Ready
Built for Versatile Use
- LiFePO₄ Battery Chemistry: Long cycle life and stable performance suited for frequent deep discharge/charge cycles.
- SolarX 4K accepts high‑voltage PV inputs (up to 500 V) and delivers robust solar charging performance.
- Modular design allows easy upgrades and integrations.
Advantages:
- Longer usable life and high durability.
- Efficient solar utilization for renewable energy systems.
- Flexible for home, RV, and off‑grid environments.
Why Choose China Moneypro Apex 300 + 2×B500K + SolarX 4K
- High Output Capability: 3,840 W continuous power supports demanding appliances and tools.
- Large Expandable Capacity: ~13 kWh with two expansion batteries.
- Solar‑Ready Charging: SolarX 4K enables up to 4 kW solar input for faster renewable energy capture.
- Modular & Flexible: Add batteries or units as needs grow.
- Smart Power Management: Integrated UPS and app control streamline energy handling.
Key Specifications
| Parameter | Specification |
|---|---|
| Continuous AC Output | 3,840 W |
| Expandable Capacity | ~13 kWh (with 2× B500K) |
| Battery Chemistry | LiFePO₄ (Long cycle life) |
| Solar Input Support | Up to 4,000 W with SolarX 4K |
| System Scalability | Stackable with additional units |
| Application Scenarios | Home Backup, RV, Solar Off‑Grid, Heavy‑Load Use |
Typical Applications
- Home & Whole‑House Backup Power: Reliable power during grid failures.
- RV & Outdoor Expeditions: Extend runtime for appliances and tools on the road.
- Solar‑Integrated Off‑Grid Systems: Captures solar energy efficiently for sustainable living.
- Heavy‑Load Power Support: Runs power tools, appliances, and electronics simultaneously.
FAQ – Common Questions
Q1: What power output does this system deliver?
This kit yields 3,840 W continuous AC power capable of supporting household loads and high‑demand equipment.
Q2: How much storage capacity can this system achieve?
With two B500K expansion batteries, total capacity is approximately 13 kWh, providing extended energy availability.
Q3: Can this system use solar panels?
Yes — it includes the SolarX 4K solar charge controller, supporting up to 4 kW of solar input for rapid solar charging.
Q4: Is the system expandable?
Absolutely — additional batteries or Apex units can be added for larger capacity and power needs.
Q5: What makes the SolarX 4K special?
SolarX 4K is a high‑capacity MPPT controller that accepts high‑voltage solar arrays and efficiently converts energy for battery charging and use.
Specifications
| Category | Item | Specification |
|---|---|---|
| Battery Info | Battery Type | LiFePO₄ |
| Cycle Life | 6,000+ cycles to 80% original capacity | |
| Shelf-life | Recharge to 40%-60% every 3-6 months | |
| Management System | MPPT controller, BMS, etc. | |
| Output | Capacity | 2,764.8 Wh (51.2 V / 54 Ah) |
| Inverter Type | Pure sine wave | |
| Lifting Power | 7,680 W | |
| USB-C Port | 2 × 100 W Max (*Requires Hub D1 rated at 700 W) | |
| USB-A Port | 2 × 15 W, 5V/3A (*Requires Hub D1 rated at 700 W) | |
| AC Outlets | 4 × AC Outlet (20A) | |
| 1 × NEMA TT-30R (120V/30A) | ||
| 1 × NEMA 14-50R (120/240V, 50A) | ||
| 3,840 W Max in total | ||
| Cigarette Lighter Port / DC5521 | 2 × 12V/10A; 24V/5A (*Requires Hub D1 rated at 700 W) | |
| Anderson Port | 1 × 12V/50A; 24V/25A (*Requires Hub D1 rated at 700 W) | |
| Input | Turbo Charging | 3,840 W Max (80% in 45 mins @ 59°F to 77°F / 15°C to 25°C) |
| AC Input | 120 V, 50/60 Hz, 15A Max (1,800 W Max with bypass) | |
| Solar Input | 2 × 1,200 W, 12–60 V DC, 2 × 20A | |
| Car Input | 12V or 24V via cigarette lighter port | |
| Maximum Input | Apex 300: 3,840 W Max Apex 300+1~6 B300K: 6,240 W Max | |
| General | App Control | Yes, via Wi-Fi & Bluetooth |
| Scalability | Up to 6 × B300K / B300S / B300 per unit | |
| Pass-through Charging | Yes | |
| Weight | 83.78 lbs / 38 kg | |
| Dimensions (L × W × H) | 20.67 × 12.87 × 12.6 in (525 × 327 × 320 mm) | |
| Charging Temperature | 32°F to 104°F / 0°C to 40°C | |
| Discharging Temperature | -4°F to 104°F / -20°C to 40°C | |
| Storage Temperature | -4°F to 104°F / -20°C to 40°C | |
| Certification | FCC, UL, TELEC, CE, NTC, RCM, LOA, ICASA | |
| Warranty | 5 Years |



