Replacement Battery Set for ONEAC ONXBC-4C4017 UPS

Direct-fit replacement battery set designed for the ONEAC ONXBC-4C4017 UPS. This battery pack restores the UPS backup runtime and charging performance when the original batteries are worn or depleted. Ideal for maintaining reliable power protection for connected equipment, the set is intended as a like-for-like swap with the specified ONEAC model. Have installation performed according to the manufacturer's instructions or by a qualified technician, and recycle or dispose of used batteries following local regulations.