[NANOG] Re: Small Capacity UPS

[Gary Sparkes via NANOG <nanog () lists nanog org>]

An interesting thing to be concerned about, given average temperature exposures compared to consumer electronics 
devices with usually inadequate cooling, compared to LiFePo4 in a UPS, which has been my baseline for years now as 
SLA's age out. 

-----Original Message-----
From: Mark Tinka <mark@tinka.africa> 
Sent: Wednesday, April 9, 2025 7:47 AM
To: Vasilenko Eduard <vasilenko.eduard () huawei com>; Gary Sparkes <gary () kisaracorporation com>; North American 
Network Operators Group <nanog () lists nanog org>
Subject: Re: [NANOG] Re: Small Capacity UPS



On 4/9/25 10:56, Vasilenko Eduard wrote:
> Your first 3 UPSes are lithium-ion. I am scared of lithium-ion in the apartment.

In a UPS, even I would be concerned. It's such a cramped space, and Li-Ion are not as resilient as LA when exposed to 
high ambient temperatures. That does not mean they will catch fire, but it surely means they will age significantly 
faster.

But for a standard home stationery backup, Li-Ion just fine. I'm coming up on 6 years for my deployment, which is 
housed in my garage. 700Ah battery pack spread across 7x 100Ah 48V LFP batteries.

Mark.
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