Replacement Battery Set for OPTI-UPS ES1400 / 1400ES UPS

Complete replacement battery set specifically made for OPTI-UPS ES1400 and 1400ES uninterruptible power supplies. This battery set restores the runtime and backup capability of your OPTI-UPS ES1400 / 1400ES unit, replacing depleted cells to maintain reliable power protection for connected equipment. Matches the original battery configuration for these models and is intended for straightforward installation by a qualified technician or service person. Ideal when the existing batteries show end-of-life indicators or fail to hold charge.