
MP-PowerKeeper Modular C&I Energy Storage System-4265
Unlock scalable, intelligent energy storage with the PowerKeeper Series, designed to grow from 50 kWh to 250 kWh per inverter. Its modular packs and hybrid inverter deliver seamless solar self-consumption and lightning-fast 10 ms backup during outages. Smart Logger monitoring gives you real-time insights and control via the cloud, while IP66 protection keeps it safe indoors or out. Perfect for homes and small businesses, this system simplifies expansion and boosts energy independence. Easily tailor capacity to your needs and enjoy reliable, efficient power whenever you need it.
Scalable, Intelligent & Safe Energy Storage Solution
The China Moneypro PowerKeeper Series ST050-250CF + SH125CX + Logger is a flexible modular energy storage solution integrating high-performance battery modules with a hybrid inverter and smart logger communications. Designed for residential and light commercial photovoltaic systems, it enables efficient solar self-consumption, backup power support, and scalable energy capacity tailored to diverse applications.
Modular & Expandable Architecture
Adaptable Capacity Growth
-
Based on 12.5 kWh modular battery packs, enabling flexible system size from ~50 kWh up to ~250 kWh per hybrid inverter.
-
Modular design helps match energy storage capacity to specific site needs — from homes to small businesses.
-
Modular stacks can be deployed rapidly with pre-built stacks and manual or forklift-assist handling for ease of installation.
Benefits:
-
Tailored storage capacity that grows with demand.
-
Simplified deployment and commissioning without complex on-site battery stacking.
Intelligent Backup & Continuous Power
Reliable Power When You Need It
-
Integrated with the SH125CX hybrid inverter to provide seamless PV + energy storage operation, including 10 ms fast switching to backup during outages.
-
Suited for grid-tied or hybrid installation architectures with effective battery and PV coordination.
-
Smart Logger module enables unified monitoring and communication with management platforms such as cloud or local interfaces.
Advantages:
-
Reliable backup power continuity for essentials during grid interruptions.
-
Unified system oversight with real-time data flows and logging.
Smart Management & Connectivity
Insightful Controls for Energy Optimization
-
Hybrid system supports remote monitoring and management via cloud platforms for real-time performance insights.
-
Battery system includes pack-level balancing technology that equalizes module performance and supports mixed-age battery deployment.
-
Smart mode algorithms optimize storage utilization and maximize self-consumption of PV generation.
Benefits:
-
Higher system autonomy and smarter load dispatch.
-
Monitoring and analytics tools help identify performance trends and alerts.
Durable & Safe Design
Reliable System Architecture
-
Pack-level safety monitoring uses multi-dimensional protections from cell to system level, enhancing operational security.
-
IP66 rated protection ensures resistance against dust and water ingress, supporting indoor or outdoor installation (e.g., garage, utility room).
-
Thermal and electrical safeguards minimize fire, overcurrent, and other hazards while maintaining continuous operations.
Advantages:
-
Comprehensive protections enhance device longevity and safety.
-
IP66 environmental rating supports a wide range of installation environments.
Why Choose China Moneypro PowerKeeper ST050-250CF + SH125CX + Logger?
-
Modular & Scalable: Customizable capacity from ~50 kWh to ~250 kWh per inverter.
-
Reliable Backup Power: Fast switching and hybrid operation ensure stability during outages.
-
Intelligent Management: Logger-assisted monitoring integrates with cloud platforms for real-time visibility.
-
Robust Protection: Pack-level and system-wide protections improve safety and resilience.
-
Versatile Installation: Suitable for both residential rooftops and small commercial energy applications.
Typical Applications
-
Residential PV + Storage: Store excess solar energy for nightly use.
-
Small Business Backup: Reliable power for shops or small offices during outages.
-
Peak Shaving & Load Management: Shift peak energy usage and reduce demand charges.
-
Micro-Grid or Hybrid PV + Storage: Integrate with existing PV to enhance energy autonomy.
FAQ – Common Questions
Q1: What is the basic storage unit capacity?
Each China Moneypro PowerKeeper ST050-250CF battery module provides ~12.48 kWh of usable energy.
Q2: Can the system be expanded beyond ~50 kWh?
Yes — the modular design supports stacking multiple 12.5 kWh packs to scale up to ~250 kWh per hybrid inverter.
Q3: What protection grade does the system have?
It carries an IP66 environmental protection rating for robust resistance against harsh conditions.
Q4: Does the system support seamless backup?
Yes — when paired with the SH125CX hybrid inverter, it offers ~10 ms fast switching to backup operation.
Q5: How is system monitoring handled?
The included Logger enables remote monitoring and connectivity with cloud platforms such as iSolarCloud for unified data access and control.
Specifications
| Item | Specification |
|---|---|
| Product Name | MP-ST050-250CF |
| Battery Pack | |
| Cell Type | LFP 3.2 V |
| Nominal Capacity (per pack) | 12.48 kWh |
| Depth of Discharge (DOD) | 0 % – 100 % |
| Nominal Voltage Range | 32.4 V ~ 43.8 V |
| Nominal Charge / Discharge Rate | 0.5 P |
| Weight (per pack) | ≤ 90 kg |
| Dimensions (W × H × D) | 800 mm × 270 mm × 405 mm |
| System Configuration | |
| Auxiliary Power Supply | Internal power supply |
| Installation Method | Floor-standing |
| Noise Level | ≤ 60 dB(A) @ 1 m, 25 °C |
| Operating Conditions | |
| Charge Operating Temp (°C) | 0 ~ 55 |
| Discharge Operating Temp (°C) | -20 ~ 55 |
| Storage Temperature (°C) | -30 ~ 55 |
| Operating Humidity | 0 % ~ 100 % RH, non-condensing |
| Max. Operating Altitude | 3000 m |
| Protection & Rating | |
| Degree of Protection | IP66 |
| Anti-Corrosion Degree | C5 |
| Cooling Method | Forced air cooling |
| Compliance & Safety | |
| Battery & System Standards | IEC / EN 62619, IEC / EN 63056, UN 38.3 |
| Power & Safety Standards | IEC / EN 62477-1, IEC / EN 62040, IEC / EN 61000-6-1 / 6-3 |
| Additional Standards | VDE 2510-50; IEC / EN 62933-5-2, UL 9540A |
| Fire Suppression | Aerosol, smoke sensor and explosion relief valve |
| EMC Class | Class B |
| Typical Stack Capacities | |
| ST050CF | 49.9 kWh |
| ST062CF | 62.4 kWh |
| ST075CF | 74.9 kWh |
| ST100CF | 99.8 kWh |
| ST150CF | 149.8 kWh |
| ST200CF | 199.7 kWh |
| ST250CF | 249.6 kWh |
| Sample Stack Weights & Sizes | |
| 3 Packs | 37.4 kWh; 340 kg; 800 × 1297 × 405 mm |
| 4 Packs | 49.9 kWh; 430 kg; 800 × 1567 × 405 mm |
| 5 Packs | 62.4 kWh; 520 kg; 800 × 1837 × 405 mm |



