cdnred wrote: That Renogy seems to be priced right for $100 on Amazon. I've got a 12v 40ah LifePO4 now but I'm thinking that maybe down the road changing it out for a 12v 100ah LifePO4. Will that 20A DC-DC charger be suitable for both cases or should I go with something like a 40a or 50a right off with going with the 100ah down the road..? Is there any relationship to battery ah compared to amp rating for DC-DC chargers..?
Sparksalot wrote:For those of you using a DC-DC charger for a trailer, where do you locate the charger? How are you doing the ignition sense?
cdnred wrote:Do you have any preference between Renogy compared to Victron Energy Orion-Tr Smart..? I like the fact that the Victron Energy Orion-Tr Smart has blue-tooth capability yet the Renogy is rated highed in reviews and is much cheaper..
Wiring in the 20a DC-DC charger, is there anything else I would need to buy to complete the circuit..?
bdosborn wrote:cdnred wrote:Do you have any preference between Renogy compared to Victron Energy Orion-Tr Smart..? I like the fact that the Victron Energy Orion-Tr Smart has blue-tooth capability yet the Renogy is rated highed in reviews and is much cheaper..
Wiring in the 20a DC-DC charger, is there anything else I would need to buy to complete the circuit..?
If the Renogy works then it's fine, if it doesn't they have a terrible reputation when it comes to honoring a warranty. The Victron has a better reputation both for reliability and honoring warranties. And I'm a tech nerd so I like the Bluetooth capability.
Don't forget a fuse, you'll need to read the manual to see what they recommend.
Bruce
Will that 20A DC-DC charger be suitable for both cases or should I go with something like a 40a or 50a right off
bdosborn wrote:This is an option too:
Unlike AGM batteries you can mix different age LiFePO4 batteries. If you decide you want more capacity in a year or so you can add another 40 a-hr battery in parallel to the one you have now.
Bruce
As you said, you can mix different aged LifePO4 batteries together but can you mix different ah batteries also..? Currently I've got a 40ah, can I add a 100ah down the road or must I get the same size as I have now 40ah..?
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