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electrical:12v:b2b

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electrical:12v:b2b [2020/07/04 13:43]
frater_secessus [CTEK D250 series]
electrical:12v:b2b [2020/08/15 15:03]
frater_secessus [Renogy]
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 The most common b2b charger with 'dwellers is the D250 series, all of which are 20A smart chargers with integrated MPPT: The most common b2b charger with 'dwellers is the D250 series, all of which are 20A smart chargers with integrated MPPT:
  
-  * D250 (pre-2018, discontinued) - the original, Vabs == 14.4v. +  * D250 (pre-2018, discontinued) - the original, Vabs == 14.4v, Vfloat == 13.6v
-  * [[https://amzn.to/2RY2GNQ|CTEK D250SA]], a 20A solar/alt controller.  Vabs selectable 14.4v and 14.7v.  Added support for smart alternators.  +  * [[https://amzn.to/2RY2GNQ|CTEK D250SA]], a 20A solar/alt controller.  Vabs selectable 14.4v and 14.7v.  Vfloat 13.6v. Added support for smart alternators.  
-  * [[https://amzn.to/2VNkfou|D250SE]] and [[https://amzn.to/2Aw56As|Smartpass 120S]] which have lithium settings. +  * [[https://amzn.to/2VNkfou|D250SE]] which has 14.2 Vabs and 13.3 Vfloat for lithium settings. 
  
  
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   * Smartpass 80 - original model.  80A + 20A = 100A.   * Smartpass 80 - original model.  80A + 20A = 100A.
   * [[https://amzn.to/2YZuIPG|Smartpass 120]].  120A + 20A = 140A.   * [[https://amzn.to/2YZuIPG|Smartpass 120]].  120A + 20A = 140A.
-  * [[https://amzn.to/3e156pA|SmartPass 120S]] is for smart alternators.+  * [[https://amzn.to/3e156pA|SmartPass 120S]] as above, but with support for smart alternators.
  
 Note:  the CTEK D250SA((and the pre-2018 D250**S** model)) panel voltage (Vpanel) maximum is 23v.((https://www.ctek.com/storage/ma/b21ecd5d5e5943a995474cf36d586451/956c3913c8cc4319bb4e47baea0c6d82/pdf/A78BBB08A9DF8976DB79E21271E091489ACEF47A/D250SA-manual-UK-EN.pdf, pdf))  There are user reports that the unit is repairable after overvoltage or polarity damage.((https://www.4x4community.co.za/forum/showthread.php/322874-CTEK-D250S-Problem?s=a2bc518379e50466c9ec523e8b114053&p=4270868#post4270868)),((https://expeditionportal.com/forum/threads/dual-battery-system-with-ctek-d250-not-charging-battery-over-12-volts.174927/post-2416300)) Note:  the CTEK D250SA((and the pre-2018 D250**S** model)) panel voltage (Vpanel) maximum is 23v.((https://www.ctek.com/storage/ma/b21ecd5d5e5943a995474cf36d586451/956c3913c8cc4319bb4e47baea0c6d82/pdf/A78BBB08A9DF8976DB79E21271E091489ACEF47A/D250SA-manual-UK-EN.pdf, pdf))  There are user reports that the unit is repairable after overvoltage or polarity damage.((https://www.4x4community.co.za/forum/showthread.php/322874-CTEK-D250S-Problem?s=a2bc518379e50466c9ec523e8b114053&p=4270868#post4270868)),((https://expeditionportal.com/forum/threads/dual-battery-system-with-ctek-d250-not-charging-battery-over-12-volts.174927/post-2416300))
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   * DC1212 series DC-DC isolators in 20-40((and possibly 60A according to manual nomenclature)) output.  Switched on by ignition circuit on the D+ port.((https://www.renogy.com/content/RNG-DCC1212-20-BC/DCC1212-204060-Manual.pdf)) DIP switches for battery type, Vabs and Vfloat. [[https://www.renogy.com/content/RNG-DCC1212-20-BC/DCC1212-204060-Manual.pdf|manual]] (pdf)   * DC1212 series DC-DC isolators in 20-40((and possibly 60A according to manual nomenclature)) output.  Switched on by ignition circuit on the D+ port.((https://www.renogy.com/content/RNG-DCC1212-20-BC/DCC1212-204060-Manual.pdf)) DIP switches for battery type, Vabs and Vfloat. [[https://www.renogy.com/content/RNG-DCC1212-20-BC/DCC1212-204060-Manual.pdf|manual]] (pdf)
   * DCC-series of voltage sensing b2b chargers in [[https://amzn.to/2NGIP6U|20A]] and [[https://amzn.to/33HJ8ns|40A versions]].     * DCC-series of voltage sensing b2b chargers in [[https://amzn.to/2NGIP6U|20A]] and [[https://amzn.to/33HJ8ns|40A versions]].  
-  * DCC50S [[https://amzn.to/2QYuswm|50A model with MPPT charging]]. MPPT input limited to 25v.((per the manual)) - [[https://www.renogy.com/content/RBC50D1S-G1/RBC50D1S-G1-Manual.pdf|manual]] (pdf)  The 50A may refer to 25A MPPT and 25A alternator charging.((manual suggests 50A max indivudiually -- FIXME))+  * DCC50S [[https://amzn.to/2QYuswm|50A model with MPPT charging]]. MPPT input limited to 25v.((per the manual)) - [[https://www.renogy.com/content/RBC50D1S-G1/RBC50D1S-G1-Manual.pdf|manual]] (pdf)  Total output is limited to 50A from either source.  If both solar and alternator charging are active their [[http://img.mousetrap.net/misc/renogy2525.jpg|respective outputs are limited to 25A each]].  
  
  
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 The [[https://amzn.to/38399Ak|FlexCharge NC25a-12]] is a 25A charger that claims exceptional efficiency((http://www.flexcharge.com/nc25a.htm)), the ability to dump loads, and [[http://www.flexcharge.com/charging%20explained.htm|a proprietary charging algorithm]]. The [[https://amzn.to/38399Ak|FlexCharge NC25a-12]] is a 25A charger that claims exceptional efficiency((http://www.flexcharge.com/nc25a.htm)), the ability to dump loads, and [[http://www.flexcharge.com/charging%20explained.htm|a proprietary charging algorithm]].
 +
 +==== Victron ====
 +
 +Victron makes several DC-DC chargers, some of which are configurable by bluetooth.  12v examples:
 +
 +  * Orion-Tr 12|12-20 20A 
 +  * Orion-Tr 12|12-30 30A 
 +
electrical/12v/b2b.txt · Last modified: 2024/04/12 21:52 by frater_secessus