Expand your business with reliable products, protected markets, and dedicated factory support.
Sunjoy Energy SJW-24314LFP 25.6V 314Ah 8KWh LiFePO4 Battery ...

[Sunjoy Energy 8KWh High-Capacity Module] Built with high-density 314Ah cells, the SJW-24314LFP delivers a solid 8.038KWh of energy at a nominal 25.6V, making it the perfect foundational block for residential and light commercial solar setups.
[Massive 15-Unit Parallel Scalability] Specifically engineered for flexible expansion; seamlessly supports up to 15 units connected in parallel to scale your total storage capacity up to a colossal 120KWh to match growing power demands.
[Premium 6000+ Deep Cycles Lifespan] Powered by highly stable Lithium Iron Phosphate (LiFePO4) chemistry, guaranteeing 6,000 complete cycles at 80% DOD for over 15 years of dependable daily load-shifting.
[150A High-Current Charging & Discharging] Supports robust continuous charging and discharging currents up to 150A, ensuring smooth power delivery for high-wattage household appliances and industrial equipment.
[Smart BMS & Multi-Protocol Synch] Outfitted with an intelligent central BMS supporting RS485, RS232, and CAN bus communication, providing flawless plug-and-play telemetry with global mainstream hybrid inverters.
The Sunjoy Energy SJW-24314LFP 25.6V 314Ah LiFePO4 Storage Battery offers the ultimate blend of high-capacity modularity and scalable power security. Delivering 8.038KWh of premium lithium iron phosphate energy in a single compact enclosure, this low-voltage storage module is expertly engineered for premium smart homes, small businesses, and off-grid microgrids. It serves as a modern, space-saving, and completely maintenance-free alternative to outdated lead-acid banks and noisy fuel generators.
What sets the SJW-24314LFP apart is its exceptional stackable architecture. While a single module easily covers daily household baseloads, the system natively supports the parallel connection of up to 15 individual battery units. This allows homeowners and small commercial property owners to start with a single 8KWh block and smoothly expand their network up to a staggering 120.5KWh total energy matrix without replacing existing hardware, providing absolute future-proof grid independence.
Driven by premium 314Ah high-density cells, the SJW-24314LFP boasts a professional lifespan of over 6,000 deep cycles at 80% Depth of Discharge (DOD). To ensure perpetual structural safety, the system is governed by an integrated industrial-grade Battery Management System (BMS). This smart BMS constantly executes automatic safety cuts against over-current, short-circuits, voltage drifts, and thermal anomalies. Housed in a durable sheet metal casing with an IP54 ingress protection rating, it is fully prepared to handle garage, basement, or utility closet environments with quiet, reliable efficiency.
Brand / System Ecosystem: Sunjoy Energy
Model Number: SJW-24314LFP
Battery Chemistry: Lithium Iron Phosphate (LiFePO4)
Nominal Voltage: 25.6V
Nominal Capacity: 314Ah
Nominal Energy Capacity: 8.038KWh (Approx. 8KWh)
Working Voltage Range: 21.6V – 28.8V
Cycle Lifespan: ≥ 6000 Cycles @ 80% DOD
Self-Discharge Rate: ≤ 2% per month (@ 25°C & 50% SOC)
Communication Interfaces: RS485 / RS232 / CAN
Bluetooth & Wi-Fi Telemetry: Optional
System Certifications: CE / UN38.3 / MSDS
Charging Voltage Config: 28.8V
Charging Mode Topology: CC-CV (Constant Current - Constant Voltage)
Maximum Charging Current: 150A
Maximum Continuous Discharging Current: 150A
Charging Cut-off Voltage: 28.8V
Discharging Cut-off Voltage: 21.6V
Charge Operating Temperature: 0°C to 45°C (32°F to 113°F) @ 60±25% RH
Discharge Operating Temperature: -20°C to 60°C (-4°F to 140°F) @ 60±25% RH
Storage Temperature Range: 0°C to 45°C (32°F to 113°F) @ 60±25% RH
Enclosure Structural Material: Heavy-Duty Sheet Metal
Casing Physical Dimensions (W x H x D): 450 x 235 x 500 mm
Module Operational Weight: Approx. 70 Kg (154.3 lbs)
Water & Dust Ingress Rating: IP54