Refurbished Dell Batteries

Here you will find our assortment of refurbished Dell batteries.

Refurbished Dell PERC RAID controller batteries - including battery backup units (BBU) and non-volatile flash modules for PERC H330, H730, H730P, H740P, and H840 controllers in PowerEdge servers. All batteries tested for charge capacity, hold time, and controller compatibility.

RAID controller batteries protect write cache data during power loss events. A PERC H730P configured with 2GB write cache delivers significantly higher write throughput than the same controller in write-through mode - the cache absorbs random write I/O and writes it to disk sequentially, which is faster. The BBU is what makes this safe: it ensures that cached data can be flushed to disk during a power event before the cache contents are lost.

A degraded Dell PERC battery triggers an automatic fallback to write-through mode. iDRAC9 logs the event and OpenManage generates an alert - but in many environments, the alert is noticed during a scheduled maintenance review rather than immediately. During the period between battery failure and replacement, storage performance degrades measurably for write-intensive workloads.

Dell PERC battery compatibility is controller-specific. The H730P BBU is different from the H740P BBU. Epoka stocks batteries for the most common PERC configurations deployed in PowerEdge 12G, 13G, and 14G environments. Our team can advise on correct battery part numbers for your specific PERC if required.

See also Dell Controllers and Dell Servers.

Are you searching for more Dell parts? Look no further; we've gathered all our Dell parts in this collection.

If you are looking for refurbished batteries from other brands, you can see them all here.