
MP-Apex 300+2*B300K-7370
The China Moneypro Apex 300 + 2×B300K system combines the high‑output Apex 300 portable power station with two China Moneypro B300K expansion batteries into a large‑capacity, modular energy storage solution perfect for home backup, RV travel, outdoor living, and extended off‑grid scenarios. With high power output and scalable battery capacity, this configuration delivers reliable and flexible energy when and where you need it.
High Capacity & Strong Output
Scalable Energy for Extended Use
- Continuous Output Power: 3,840 W from the Apex 300 main unit — capable of powering heavy appliances and tools.
- Total System Capacity: Approximately 8,294.4 Wh usable energy with two B300K batteries connected.
- LiFePO₄ Battery Technology: Long‑lasting 2nd‑gen LFP battery chemistry for durability and extended cycle life.
- Modular Expansion: Add more batteries (like B300K or B500K) to further increase total stored energy.
Benefits:
- Power essential loads for multiple days without grid supply.
- Flexible scaling adapts to evolving energy needs.
Intelligent Power Management
Adaptive and Efficient Performance
- Multiple Charging Support: Charge via AC input, high‑power solar inputs, and even generator where supported.
- Smart System Control: Integrated energy management for optimized distribution across loads.
- Support for 120V & 240V Output: Allows powering both standard and higher‑voltage devices simultaneously.
Benefits:
- Efficient performance with diverse devices.
- Intelligent allocation maximizes runtime and reliability.
Long‑Life & Safe Design
Built for Durable Use
- High‑Cycle LFP Chemistry: Industry‑leading LiFePO₄ battery cells designed for thousands of cycles.
- Modular Architecture: Battery modules are easily swappable and serviceable for long‑term use.
- Comprehensive Protection: Built‑in battery management systems to monitor temperature, voltage, and safety parameters.
Advantages:
- Long energy storage life reduces total cost of ownership.
- Multi‑layer protection ensures safe operation across scenarios.
Why Choose China Moneypro Apex 300 + 2×B300K
- High Output Power: 3,840 W continuous to support heavy loads.
- Large Expandable Capacity: ~8.29 kWh with two B300K batteries.
- Modular Scalability: Add further batteries for even greater storage.
- Dual Voltage Support: Power both 120 V and 240 V appliances.
- Flexible Charging: Support AC, solar, and hybrid charging strategies when paired with compatible controllers.
Key Specifications
| Parameter | Specification |
|---|---|
| Total System Capacity | ~8,294.4 Wh (Apex 300 + 2×B300K) |
| Continuous Output Power | 3,840 W (Apex 300) |
| Battery Type | LiFePO₄ (automotive‑grade) |
| Scalability | Up to multiple battery modules in parallel |
| Voltage Support | 120 V & 240 V output capability |
| Modular Design | Yes — Hot‑swap battery modules supported |
Specifications based on official China Moneypro product listings and bundle configuration information.
Typical Applications
- Home Backup Power: Keep essential circuits running during outages.
- Extended Off‑Grid Living: Support long‑duration energy needs without grid access.
- RV & Mobile Use: Power appliances and electronics while on the road.
- Job Sites & Tools: Run heavy tools and equipment on‑site.
FAQ – Common Questions
Q1: What’s the total capacity of this system?
With Apex 300 + 2×B300K, the system reaches approximately 8,294.4 Wh of stored energy.
Q2: How much output power can it deliver?
The system supports up to 3,840 W continuous output, suitable for most heavy appliances.
Q3: Can I add more batteries?
Yes — the modular design allows additional B300K and B500K expansion batteries to increase capacity.
Q4: Is this suitable for home backup?
Yes — with large capacity and high output, it’s ideal for multi‑day home backup scenarios.
Q5: What battery chemistry is used?
The system uses LiFePO₄ (LFP) cells for long‑life and safety advantages.
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 (51.2V / 54Ah) |
| Inverter Type | Pure sine wave | |
| Lifting Power | 7,680 W | |
| USB-C Port | 2 × 100W Max (*Requires Hub D1 rated at 700W) | |
| USB-A Port | 2 × 15W, 5V/3A (*Requires Hub D1 rated at 700W) | |
| 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 700W) | |
| Anderson Port | 1 × 12V/50A; 24V/25A (*Requires Hub D1 rated at 700W) | |
| Input | Turbo Charging | 3,840 W Max (80% in 45 mins @ 15–25°C / 59–77°F) |
| AC Input | 120V, 50/60Hz, 15A Max; 1,800W Max with bypass | |
| Solar Input | 2 × 1,200W, 12–60VDC, 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 WiFi & 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 |



