APC Back-UPS ES 550, batteria LiFePO4 aggiornata 45% più lunga, ricondizionata e testata
Reconditioned, Upgraded, and Built to Last. Condition: Used unit - Professionally refurbished, fully tested, and upgraded with Cutting-edge Power Technology. Battery Capacity: 8Ah — 45% higher capacity than original (5.5Ah).