
MP-Apex 300+2*B300K-7370
Power through outages and off-grid adventures with the MP-Apex 300 plus two B300K batteries. You get a massive 8,294.4 Wh of usable energy and 3,840 W of continuous output, so heavy appliances and tools run with ease. Its modular design lets you add more batteries as your needs grow, while the long-lasting LiFePO₄ chemistry ensures thousands of safe cycles. Plus, it supports both 120V and 240V devices and charges from AC, solar, or a generator. Whether for home backup, RV life, or job sites, this system delivers reliable, scalable energy you can count on.
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 |



