Forum Discussion
BFL13
Oct 08, 2020Explorer II
So the charging graph in that tech link seems to say you charge at 20 amps and it stays in Bulk until about 97% SOC (wow!) then amps taper in Absorption for a few hours to get to near full at 2 amps, then more time to get to 0.2 amps for real full.
If that is correct you could just use the portable 20 amp setting until amps start to taper and you are at 97% ?? that would be neat. That is your marker to stop the gen or anytime earlier if you know the AH when starting the recharge.
there is a volts/SOC table for no-load you can use when hardly any load for your "morning voltage/SOC" before any solar kicks in and no furnace or lights on.
You don't need to float if no load for months so that is easy.
With just the one 100AH battery you would have to not use the converter for recharging (too many amps) and take the battery off line when you get home, recharge it with the portable at 20 amps, run the camper off the converter for 12v. Then heading out, unplug the converter, connect the battery at whatever SOC it is by now--90% say, and any solar you get while away is gravy.
Have to rig up some easy way to switch over. Never have to see the battery in its difficult to get at location for years!
So what's the catch? (ignoring the price!)
Edit--I forgot about alternator charging! Not sure what amps I am getting with the camper/truck combo--if too many amps for the first bit of time, I can just pull the Stub 1 40a fuse for Pin 4.
- I see the voltage per SOC loaded seems to say it stays above 11 volts down to a low SOC, so that means the inverter will not alarm off.
If that is correct you could just use the portable 20 amp setting until amps start to taper and you are at 97% ?? that would be neat. That is your marker to stop the gen or anytime earlier if you know the AH when starting the recharge.
there is a volts/SOC table for no-load you can use when hardly any load for your "morning voltage/SOC" before any solar kicks in and no furnace or lights on.
You don't need to float if no load for months so that is easy.
With just the one 100AH battery you would have to not use the converter for recharging (too many amps) and take the battery off line when you get home, recharge it with the portable at 20 amps, run the camper off the converter for 12v. Then heading out, unplug the converter, connect the battery at whatever SOC it is by now--90% say, and any solar you get while away is gravy.
Have to rig up some easy way to switch over. Never have to see the battery in its difficult to get at location for years!
So what's the catch? (ignoring the price!)
Edit--I forgot about alternator charging! Not sure what amps I am getting with the camper/truck combo--if too many amps for the first bit of time, I can just pull the Stub 1 40a fuse for Pin 4.
- I see the voltage per SOC loaded seems to say it stays above 11 volts down to a low SOC, so that means the inverter will not alarm off.
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