|Topic Review (Newest First)|
|09-10-2008 10:49 AM|
|09-09-2008 04:24 PM|
No matter what Xantrex says, if you're gonna use an EchoCharge, I'd disconnect the second "channel" (i.e., the 2nd red wire from the charger).
It's not a question of how much amperage; it's a question of flow control (or "interaction" as you correctly surmised at the beginning).
The EchoCharge is built exactly for what you wanna do. The charger's 2nd channel likely isn't as "smart". Leaving it connected could fool the EchoCharge into thinking the battery is at a higher level of charge than it really is.
Without getting to a real design engineer familiar with that particular charger (and where do you find one at Xantrex these days?), I'd opt for the "clean" solution rather than trust to what someone told you over the phone.
|09-09-2008 02:04 PM|
Since the 10TB only has 10A max output, its behaviour using one channel run through the Echo-Charge would probably be the same as when using the two "channels," which aren't really very independent at all, it seems.
|09-09-2008 12:03 PM|
Originally Posted by btrayfors
One thing that is obvious from all of these "how do I charge my batteries" threads is that there is a LOT of confusion out there! Is there a book that explains it all in a clear and concise manner for the layman? Perhaps Nigel Calder's book? (Which, I confess, is on my list but I haven't gotten around to reading yet.)
|09-09-2008 09:25 AM|
The TrueCharge 10TB charger can handle one battery bank just fine. Connect one red wire and one black wire to the desired battery bank (e.g., to the house bank).
The EchoCharge will work independently of the TrueCharge 10TB charger. Connect it to the start battery and the house battery bank per instructions which accompany the device.
|09-09-2008 09:08 AM|
Originally Posted by hellosailor View Post
|09-09-2008 09:01 AM|
Ok, everybody, thanks for your comments. Very much appreciated.
It looks like The Way To Go (for us, anyway) would be the Blue Sea Systems e-Series Battery Switch Dual Circuit Plus [tm]
coupled with the Xantrex Echo-Charge
I wonder what kind of interaction there would possibly be between the Xantrex Echo-Charge and the Xantrex TrueCharge 10TB charger? The Echo-Charge detects charging on the house bank and diverts up to 15A to the start battery. The 10TB is a dual-channel smart charger, that's going to want to handle each battery/bank independently. Guess I'll have to call/write Xantrex to ask them about that.
Thanks again, everybody. (Now I just have to convince The Admiral and Family CFO to let me spend Yet A Few More Bucks on this solution. Wish me luck!)
|09-08-2008 06:50 PM|
" This is because your group 24 battery with roughly 70 amp hours just tried to charge a 450 amp hour bank of dead batteries "
If the Blue Sea ACR gizmo is as smart as the Yandina/West combiner is, that scenario could not happen!
Check the manual. If the house bank is so far depleted that it could suck the alternator and battery voltage below 13.6(?) volts--the combiner will open up and isolate the starting battery from the house bank again. IIRC there's about a 90-second delay in the system so it doesn't chatter, but when the system voltage drops, for any reason, the Yandina combiner cuts out the second battery until the primary one has been brought back up to nominal voltage again.
The only real fault I've heard is that, after all, a relay can fail. And I agree, they can fail, but they're pretty damn reliable when they are sourced from prime sources to begin with. (As both the Yandina and BS probably are.)
In terms of capacity and updates later, as long as the maximum amperage ratings are less than what you are planning to upgrade to, you'll be fine. The Yandina/West version comes in 75A and 150A ratings, as I recall, and as long as your alternator output is LESS than the device rating, you're OK.
You really have a 35A alternator?? Not 55A?
|09-08-2008 06:04 PM|
Halekai or is it Acoustic, don't some multistage chargers do the float stage at low 12 volt levels. While were on subject don't different types of battery have different limits to what is healthy for them? That may be more concerned with amps though.
|09-08-2008 05:41 PM|
Actually, it depends on the which ACR relay you've got. The one pictured above will charge BOTH banks provided either side has a charging level voltage present. The older one would only combine and charge both banks if the primary bank was being charged, but wouldn't do the same if the secondary bank had a charging voltage unless a sense wire was connected.
Originally Posted by RXBOT View Post
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