Pylontech UF5000 5.12 kWh 51.2 V Li‑Ion Battery — Brand new, never used (purchased November 2025). High-performance 5.12 kWh Lithium Iron Phosphate (LiFePO₄) solar storage battery with 51.2 V nominal voltage and up to 95 % depth of discharge, giving roughly 4.86 kWh usable energy. Modular for expansion (up to ~102.4 kWh with parallel units), ~6,000+ cycle life, and intelligent BMS with RS485/CAN communication for reliable solar/storage system integration. Excellent choice for backup power, load shedding, or hybrid/off-grid systems, and in excellent unused condition.