Charging time doesn't interest me much in a grid backup situation. The cost
of the battery per watt hour is normally my only consideration for a backup
battery.
-----Original Message-----
From: Robert Andrews
Sent: Wednesday, February 12, 2020 4:25 PM
To: [email protected]
Subject: Re: [AFMUG] Alibaba LiFePO4 48V 200Ah battery packs?
Nice thing about the lithium Iron is any charger that is programmable
will work. And the faster you can charge them the better. You think
flooded times of 2-4 hours and with a big charger the lithium banks can
charge at 100amps and 1 hour.
On 02/12/2020 02:06 PM, [email protected] wrote:
21 cents per watt hour. That is not competitive with flooded cells.
And what kind of special charger would you have to have?
*From:* Peter Kranz via AF
*Sent:* Tuesday, February 11, 2020 5:36 PM
*To:* [email protected]
*Cc:* Peter Kranz
*Subject:* [AFMUG] Alibaba LiFePO4 48V 200Ah battery packs?
Anyone successfully built a telecom UPS solution using rack mount LiFePO4
batteries sourced from china?
There seems to be endless arrays of rack mount solutions there:
https://www.alibaba.com/product-detail/48v-100ah-200ah-lithium-ion-battery_60844575234.html?spm=a2700.details.pronpeci14.6.7e40675elEWkcL
Prices run about 25% the cost of locally sourced LiFePO4 solutions. The
selection is crazy however, and who knows what the gotchas are.
*Peter Kranz
*www.UnwiredLtd.com <http://www.unwiredltd.com/>
Desk: 510-868-1614 x100
Mobile: 510-207-0000
[email protected]
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