Differences

This shows you the differences between two versions of the page.

--- electrical:12v:deep_cycle_battery [2023/10/27 16:33]
frater_secessus [specs]
+++ electrical:12v:deep_cycle_battery [2025/12/24 22:58] (current)
@@ Line 280: / Line 280: @@
 Further reading:  [[https://marinehowto.com/what-is-a-deep-cycle-battery/|this page]] with further explanation and teardowns to show the difference between deep cycle and "deep cycle" batteries.
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+==== Telco backup batteries ====
+Telcos and other companies that need battery backup rotate their AGM batteries out regularly;  these find their way onto the used market on pallets for relatively low prices.
+These backup batteries are not meant to cycle, vandweller style.  They are designed to live on Float forever then suddently dump their power when grid power goes down.
+Can you make them work for you?  Maybe, but people who can squeeze some use out of them already know what they are doing.

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