CF-PowerStack-2.56
(Stackable LFP Battery)
A low-voltage residential LiFePO4 battery system featuring a modular stackable design. Each module delivers 2.56kWh at 51.2V, supporting flexible expansion from 2.56kWh to 25.6kWh (1–10 units).
UN38.3
6,000+ Cycles@ 80% DOD for long-term reliability
Stackable 1-10 UnitsEasily scale capacity from 2.56 to 25.6kWh
IP65 ProtectionIndoor/outdoor installation under roof
RS485/CANReal-time SOC and system performance monitoring
Product Overview
Design & Performance
Safety & Applications
Technical Specifications
CF-PowerStack-2.56 is a modular residential lithium iron phosphate (LiFePO4) battery system. Each battery module delivers 2.56kWh of energy at 51.2V, allowing for precise system sizing according to actual house energy demands.
- Seamless integration with common 48V off-grid or hybrid solar inverters.
- Compact modular design for space-efficient floor-standing installation.
Features cobalt-free LiFePO4 battery cells, offering excellent safety, thermal stability, and an extended service life.
- Flexible capacity expansion from 2.56kWh up to 25.6kWh without complex wiring.
- Rated for ≥ 6,000 cycles at 80% DOD for long-term stable operation.
- Optimized for residential self-consumption and high-power emergency backup.
Designed for versatile installation with IP65 protection, suitable for indoor or outdoor placement under a roof.
- RS485 and CAN communication interfaces for advanced system monitoring.
- Natural convection cooling ensures quiet and reliable operation.
- Ideal for peak shaving, home backup power, and hybrid solar systems.
| Nominal Energy | 2.56 kWh |
| Nominal Voltage | 51.2 V |
| Nominal Capacity | 50 Ah |
| Stackable Modules | 1 – 10 units |
| Cycle Life | ≥ 6,000 @ 80% DOD |
| Ingress Rating | IP65 |
| Operating Temp | -10°C to +50°C |
| Dimensions (WxDxH) | approx. 450x400x130 mm |
| Certifications | CE, IEC, UN38.3, MSDS |
| Installation | Floor-standing, stackable |
Frequently Asked Questions
Is CF PowerStack 2.56 compatible with 48V solar inverters?
The CF PowerStack 2.56 is a low-voltage (48V Class) system designed for seamless integration with mainstream 48V hybrid or off-grid solar inverters. Typical options include 5kW/8kW/10kW/12kW models.
How many battery modules can I stack for CF PowerStack 2.56?
The modular architecture supports 1 to 10 battery modules per stack. While the typical recommendation is 3 to 10 layers, providing 7.68kWh to 25.6kWh, you can customize the capacity according to your house energy demand.
What communication protocols are supported for monitoring?
The system supports both RS485 and CAN communication. This allows for real-time monitoring of battery SOC, operating status, and system performance through your inverter or EMS.
What is the continuous and peak current capability?
The system supports up to 50A continuous charge/discharge current. It can also handle peak discharge currents of 150A for up to 600ms to support short transient loads.
Where can the battery be installed and what is the protection rating?
The enclosure is rated IP65 for enhanced protection. We recommend installation indoors or outdoors under a roof, avoiding direct sunlight and natural convection ensures quiet operation.
What certifications are available for international compliance?
Chalong Fly provides comprehensive certification for global markets, including UN38.3, MSDS, IEC62619, CE, UKCA, and CB scheme certifications.
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