RefurbUPS GXT4-700RT120 UPS Replacement Battery Kit 4x12V5A

Compatible UPS Battery Kit

This kit contains four 12V5A sealed lead-acid batteries built as direct replacements for the Liebert GXT4-700RT120 uninterruptible power supply. It is intended for system administrators and facility managers who need to restore backup runtime on that specific UPS model. The package includes installation instructions so the swap can be completed without specialised tools.

Sustained Load Behaviour

Each cell is rated for high-rate discharge, meaning it can deliver the current spikes demanded by the UPS during a mains failure without excessive voltage sag. Under continuous load the batteries maintain stable output until the UPS initiates its controlled shutdown sequence. They are not designed for cyclic deep-discharge applications such as solar storage or electric-vehicle use.

Practical Interface Limits

The kit connects to the UPS through the manufacturer's proprietary cartridge interface, so it cannot be used in units that require a different form factor or voltage string. Mixing these cells with batteries of another age, capacity or chemistry will unbalance the string and shorten service life. Buyers who need a higher ampere-hour rating or a different voltage configuration must select an alternative kit.