Alpha Technologies CFR 4000E UPS — Replacement Battery Set

Direct-fit replacement battery set for the Alpha Technologies CFR 4000E UPS. This complete battery pack is intended to restore the unit’s backup power capability and runtime when original batteries reach end of life. Packaged for easy installation into CFR 4000E systems and compatible with factory configurations. Follow manufacturer guidelines for safe handling, installation, and proper disposal or recycling of used batteries. If you prefer, have a qualified technician perform the replacement to ensure optimal performance.