High-Safety Modular Solution for Indoor Energy Storage Needs

• Cell Type: Lithium Iron Phosphate (LFP)
• Rated Voltage/Capacity: 51.2V / 100Ah
• Rated Energy: 5.12kWh (single module); Max 20.48kWh (4 modules parallel)
• Charge/Discharge Current: 50A (rated); 100A (max)
• Communication: CAN/RS485 (Bluetooth optional)
• Protection Grade: IP20 (indoor exclusive)
• Cycle Life: 5000 cycles (80% residual capacity @25℃, 0.5C/0.5C, 90%DOD)
• Certifications: UN 38.3, IEC 62619, CE
• Dimensions: 480*137*460mm (WHD)
• Net Weight: 42kg (92.6lbs)
• Operating Temp: Charge 0~55℃; Discharge -20~60℃
• Installation: 19-inch 3U rack-mount (compatible with standard cabinets/brackets)

The CBLV 5120-B is a reliable, high-performance lithium iron phosphate (LFP) energy storage battery tailored for indoor applications. Featuring a modular parallel design, it supports up to 4 modules in parallel, enabling flexible capacity expansion from 5.12kWh to 20.48kWh to match residential, small commercial, and industrial auxiliary energy demands.

Integrated with an advanced Battery Management System (BMS), the battery provides real-time monitoring of voltage, current, and temperature, paired with multi-layer protection (over-voltage/under-voltage/over-current/over-temperature/short-circuit) to ensure safe and stable operation. It adopts natural heat dissipation, a compact 19-inch 3U rack-mount structure, and standardized interfaces for seamless integration with inverters via CAN/RS485 communication (Bluetooth optional for convenient monitoring).

With IP20 dustproof protection, 5000 deep charge-discharge cycles, and compliance with UN 38.3, IEC 62619, and CE certifications, the CBLV 5120-B delivers long-lasting performance, low life-cycle costs, and global market accessibility—ideal for indoor energy storage scenarios requiring reliability and scalability.

Designed exclusively for indoor energy storage, the CBLV 5120-B is suitable for:

1. Residential Energy Storage: Matches photovoltaic systems for self-use, peak shaving, and cost reduction.
2. Small Commercial Backup: Provides emergency power for shops, offices, and small business critical loads.
3. Industrial Auxiliary Power: Supplies stable energy for small workshops, production lines, and control systems.
4. Off-grid Energy Systems: Powers remote residences, rural clinics, and outdoor workstations (with inverter).
5. Customized Small-scale Projects: Modular parallel design supports tailored capacity for special energy storage needs.

1. Modular Scalability: Supports 1-4 modules in parallel, scaling capacity from 5.12kWh to 20.48kWh flexibly.
2. Advanced BMS Protection: Real-time parameter monitoring and multi-dimensional safeguards prevent battery damage and safety risks.
3. Intuitive SOC Display: 4-LED indicator clearly shows power levels for easy real-time status checks.
4. Wide Inverter Compatibility: CAN/RS485 communication ensures seamless integration with mainstream inverters.
5. Reliable LFP Core: Intrinsic safety, 5000-cycle life, and excellent temperature adaptability.
6. Space-saving Installation: 19-inch 3U rack-mount design fits standard cabinets, saving indoor space.
7. Global Certification Compliance: Meets UN 38.3, IEC 62619, and CE standards for global deployment.
8. Simple Wiring & Maintenance: Standardized interfaces and natural heat dissipation reduce installation and upkeep efforts.

1. Long Service Life: 5000 deep cycles (80% residual capacity) lower replacement frequency and life-cycle costs.
2. Flexible Capacity Matching: Modular parallel design allows on-demand expansion without full system replacement.
3. Comprehensive Safety: BMS protection + LFP cell stability + IP20 design, ensuring safe indoor operation.
4. Easy Deployment: Standard rack-mount design and clear wiring guidelines enable quick installation.
5. Low Maintenance Cost: Routine maintenance only requires half-yearly supplementary charging; no complex upkeep.
6. Stable Performance: Wide temperature adaptability and natural heat dissipation ensure reliable operation in various indoor environments.
7. Global Market Access: International certifications support cross-border sales and application.

A: Single module is 5.12kWh; supports up to 4 modules in parallel, with a maximum total energy of 20.48kWh.

A: No, it has an IP20 protection grade, designed exclusively for indoor use. Avoid moisture, rain, direct sunlight, and humid environments.

A: Standard CAN and RS485; Bluetooth is an optional function for convenient wireless monitoring.

A: ① Supplementary charging every 6 months from the factory date; ② Disconnect output if unused long-term (keep SOC 45%-55%); ③ Clean with a soft dry brush (avoid corrosive cleaners); ④ Regularly check wiring connections.

A: Possible causes: low SOC, extreme temperature, overload, or battery aging. Solutions: fully charge the battery, operate within 10~35℃ (recommended), reduce non-essential loads, or contact support for replacement if aged.

A: Compatible with most mainstream inverters via CAN/RS485. Confirm inverter communication protocol compatibility with our technical team before purchase.

A: Store in a clean, dry, ventilated indoor area (25℃±5℃, RH ≤75%), keep SOC 45%-55%, and stay ≥2m from heat sources. Recharge to 50% SOC if stored over 90 days.

A: Stop use immediately—this may be due to a faulty button or poor wiring. Contact after-sales to repair or replace the control module.

A: It has passed UN 38.3, IEC 62619, and CE certifications, complying with global safety and performance standards.

A: For single-module connection: 1/0 AWG (2000mm) for positive/negative wires; shielded network cable (8P8C) for CAN communication. For parallel modules: 1/0 AWG (70mm) for inter-module positive/negative wiring.