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Do you have a Harbor Freight Tools near you ? If you do, they have a manual 10 amp (2,10, 50 Amp Start) Manual* charger for ~$55 dollars. They...
My experiences when using an automatic/computer chip based charger is "most" of the time they won't revive a totally dead 12v battery and they go...
Can you please take another good quality picture of what's damaged below your first picture ? Rob43
No, not a long period of time... Rob43
Yes, congrats and welcome ! Rob43
Tonight when I drive my Prime home: 1) I will check the 12v battery with my volt meter within 2 minutes of parking. (No EVSE connection) 2) I...
A thought for you: Instead of permanently disabling it, install a simple on/off switch or something like a Deans connector so that it can easily...
I'm hoping you can continue your testing for as long as reasonably possible. I'm also now starting to think that your 2020 Primes battery is in...
Stop your testing wherever you feel comfortable, your testing is appreciated. Rob43
Yes, 11.5 volts would Definitely be considered a "Deep Discharge" on a 12v car battery. The truth is any of these numbers below 12.4 volts is not...
That of course is the goal, but it unfortunately does not always workout that way. Rob43
As mentioned by others including Mark57, we are concerned that if you actually get your Prime to a low enough 12v battery voltage where it does...
Your 0.12 volt drop seems to be relatively inline with Salamander_King's 0.09 volt daily loss. I believe stopping your testing at ~11.90 volts...
I would Not recommend disconnecting the negative terminal on your 12v battery for trickle/maintenance charging. I would tell you to install the...
Honestly, those 3 brands will probably all work just fine... Here's 2 good choices from Costco, I'd probably pick the cheaper one and call it a...
I personally own several variants of the Battery Tender chargers, I believe I own a .75A, 1.25A, and a 3A unit. I also own several other different...
Your spreadsheet sounds good. Do you plan on leaving it at ~12.24 volts, and then just test it daily for as long as possible before your next...
As others have mentioned, I've got a thread on this you should look into. Hopefully you leave your new battery alone as it should be charged and...
On the surface, this doesn't seem like a big deal... But let's round up and call it 0.10 volts lost per 24 hour day, now it's just a matter of...
Does anyone know the approximate low voltage tipping point of the 12v battery not working / not able to start the Prime ? Rob43
