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The Sunsynk X-Series 5.12kWh 51.2V Battery is a premium energy storage solution designed for high-performance residential and commercial solar systems, offering exceptional reliability and safety.
The Sunsynk X-Series 5.12kWh lithium-ion phosphate (LiFePO4) battery is a next-generation storage solution engineered for high-efficiency energy management. Developed for application scenarios requiring high power output and long cycle life, this battery is the perfect companion for Sunsynk hybrid inverters, providing a seamless and intelligent energy storage experience.
Equipped with an advanced Battery Management System (BMS), the X-Series monitors and protects against over-discharge, over-charge, and temperature extremes. Its high-density design supports a 1C discharge rate, allowing it to handle heavy loads with ease. For users with growing energy needs, the modular architecture supports parallel connection of up to 8 units, reaching a total storage capacity of over 40kWh.
Built to last, the Sunsynk X-Series features a durable IP65 enclosure, making it suitable for wall-mounted or floor-standing installations in various environmental conditions. With a 10-year product warranty and a cycle life exceeding 6,000 cycles, it represents a secure, long-term investment in energy independence.
| Model | SUN-X-5.12-F (X-Series) |
| Battery Chemistry | Lithium Iron Phosphate (LiFePO4) |
| Nominal Energy | 5.12 kWh |
| Usable Energy | 4.86 kWh (95% DoD) |
| Nominal Voltage | 51.2 V |
| Nominal Capacity | 100 Ah |
| Operating Voltage Range | 43.2 V – 57.6 V |
| Max Charge Current | 50 A |
| Max Discharge Current | 100 A (1C) |
| Cycle Life | ≥ 6,000 Cycles (@ 25°C, 0.5C/0.5C) |
| Parallel Capability | Up to 8 Units |
| Communication | RS485, CAN |
| IP Rating | IP65 (Indoor/Outdoor) |
| Dimensions (W x D x H) | 420 x 140 x 650 mm |
| Net Weight | Approx. 46 kg |
| Warranty | 10 Years |
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Sunsynk offers a 10-year warranty on this product, however, in order for the manufacturer warranty to be fully valid, once installed, you MUST register your inverter here: https://www.sunsynk.org/warranty
More Sunsynk Warranty Information (Link)
Specific References
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The Sunsynk X-Series 5.12kWh 51.2V Battery is a premium energy storage solution designed for high-performance residential and commercial solar systems, offering exceptional reliability and safety.
