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electrical:12v:b2b

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electrical:12v:b2b [2020/06/25 11:58]
frater_secessus [Kisae] 		electrical:12v:b2b [2020/07/04 13:23]
frater_secessus [CTEK D250 series]
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 ==== CTEK D250 series ==== ==== CTEK D250 series ====
  
-The most common b2b charger with 'dwellers is the [[https://amzn.to/2RY2GNQ|CTEK D250SA]], a 20A solar/alt controller.  It has connections for both alternator and solar panel input + MPPT function, although the MPPT algo may not be partcularly robust.  +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. 
 +  * [[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/2VNkfou|D250SE]] and [[https://amzn.to/2Aw56As|Smartpass 120S]] which have lithium settings.  
  
 House and starter batteries are combined when the starter battery holds >13.1v for 5 seconds.((https://www.ctek.com/storage/C1493FC8638168601722950C8151FF6A802476C93EC460B3BC5323C8A7951C71/9fde706a812c451ebc7257ab76e05cdb/pdf/media/ac7a2dfdc9104b30939287bdb76b81fb/D250SA-manual-low-UK-EN.pdf))  The batteries are isolated when the starter battery is "<12.8V, for 10 sec... or service battery voltage > starter battery voltage". House and starter batteries are combined when the starter battery holds >13.1v for 5 seconds.((https://www.ctek.com/storage/C1493FC8638168601722950C8151FF6A802476C93EC460B3BC5323C8A7951C71/9fde706a812c451ebc7257ab76e05cdb/pdf/media/ac7a2dfdc9104b30939287bdb76b81fb/D250SA-manual-low-UK-EN.pdf))  The batteries are isolated when the starter battery is "<12.8V, for 10 sec... or service battery voltage > starter battery voltage".
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 > The D250SA trickle charges the starter battery from a solar panel at intervals of 3 seconds if the service battery is fully charged.((https://www.ctek.com/storage/C1493FC8638168601722950C8151FF6A802476C93EC460B3BC5323C8A7951C71/9fde706a812c451ebc7257ab76e05cdb/pdf/media/ac7a2dfdc9104b30939287bdb76b81fb/D250SA-manual-low-UK-EN.pdf)) > The D250SA trickle charges the starter battery from a solar panel at intervals of 3 seconds if the service battery is fully charged.((https://www.ctek.com/storage/C1493FC8638168601722950C8151FF6A802476C93EC460B3BC5323C8A7951C71/9fde706a812c451ebc7257ab76e05cdb/pdf/media/ac7a2dfdc9104b30939287bdb76b81fb/D250SA-manual-low-UK-EN.pdf))
 +
    
 ==== Sterling ==== ==== Sterling ====
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 ==== FlexCharge ==== ==== FlexCharge ====
  
-The [[https://amzn.to/38399Ak|FlexCharge NC25a-12]] is a 25A charger that claims exceptional efficiency((http://www.flexcharge.com/nc25a.htm)) 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]].
electrical/12v/b2b.txt · Last modified: 2024/04/12 21:52 by frater_secessus

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