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--- electrical:12v:b2b [2021/06/18 18:57]
frater_secessus [gotchas]
+++ electrical:12v:b2b [2021/06/21 15:32]
frater_secessus [Redarc]
@@ Line 129: / Line 129: @@
 When the alternator input terminals detect at least 13.2v the charger will be switched to alternator charging.((trigger wire allows use of smart alternators))
+==== Redarc ====
+Redarc "dual input" DC-DC chargers have integrated MPPT controllers. They appear to do both buck and boost conversion as solar input voltage is 9v-32v.((https://www.redarc.com.au/Content/Images/uploaded/Manuals/BCDC%20Dual%20Input%20Instruction%20Manual.pdf))
+[[https://amzn.to/2TLGhtv|{{ https://m.media-amazon.com/images/I/71CqS887T8L._AC_UL320_.jpg?125}}]]
+  * [[https://amzn.to/3iZY3Uw|BCDC1225D]] - 25A
+  * [[https://amzn.to/2TLGhtv|BCDC1240D]] - 40A
+  * [[https://amzn.to/3zFgmUZ|BCDC1240D]] - 50A
+=== solar+alternator behavior ===
+> The unit will always take as much power from the unregulated Solar input as it can before supplementing that power, up to the maximum rated output, from Vehicle power input((https://www.redarc.com.au/Content/Images/uploaded/Manuals/BCDC%20Dual%20Input%20Instruction%20Manual.pdf)),((https://www.redarc.com.au/Content/Images/uploaded/BCDC1250D%20Instruction%20Manual.pdf))

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