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It all depends on the tender. My Deltran Battery Tender Junior will not charge a battery that has less than 3V. The OP's bike sat for 2 months with the lights on. My guess would be the battery was totally discharged.
in this case you might be right as I dont think I ever discharged my battery to this level. I ise bosch and decker one and curious if this one will charge dead battery to this extend.
in this case you might be right as I dont think I ever discharged my battery to this level. I ise bosch and decker one and curious if this one will charge dead battery to this extend.
If you meant Black & Decker, their tenders have a similar feature, although the threshold is 2V.
A digital maintenance tender will only put out when it detects voltage and load. So technically, above is correct that it won't charge a dead battery. A discharged battery is around 12.1 or so. A battery that reads 3 volts or lower is not going back in my Harley with a $400. parts alone charging system.
It's so sulfated at 3 volts, it may come back but it is severely damaged. My last Harley gel mat battery said on it to not charge it with regular charger. However, I am sure there sre some quality chargers that can throw out 12 AMP and meter back to 12.6. Would think that would be OK.
I assume that is what our small maintenance chargers do. However I have noticed my even after days still reads more the 12.6 when I remove it. Battery only drops back to normal if I flip lights on and off or let it set a few hours.
I personally take mine off charger when Ieave it for months. Modern Harley's taper off even with alarm set and won't hurt a fully charged good battery. The Speedometer, ECM, Alarm and Remote System only draw in the mili amps . Mine will start after 3-4 months.
Last edited by Jackie Paper; Jan 12, 2020 at 08:06 AM.
Yes this is Black & Decker the exact same one so I was wrong. I also dont leave my battery on tender just occasional charge to top it off and never had and issues.
To jumpstart, attach the positive clamp to the starter lug, negative clamp to any nearby ground. A charger can also be connected this way.
Jump packs are intended to get you going in an emergency. Your Owner's Manual will tell you what you need to charge/maintain your battery.
Has anyone done this on a 2018" softail? I am away from my bike and always forget to try and locate where the starter is. On my TC, no problem but these new softails are a PIA to get to the battery.
Has anyone done this on a 2018" softail? I am away from my bike and always forget to try and locate where the starter is. On my TC, no problem but these new softails are a PIA to get to the battery.
It all depends on the model. External pre-load suspension adjustment plays a part in starter access.
Would that mean for a heritage classic that does not have an external pre-load adjustment, should be able to access the starter? Need to remember to check it out after work.
I have Heritage as well and would like to know if jump starting by connecting to starter is possible. Is there any risk to damage any electronics by doing this? Did anyone actually tried this starter jump in real life? And was it successful? I will prefer to carry jumper cables rather then buying jump buster for 175$
Would that mean for a heritage classic that does not have an external pre-load adjustment, should be able to access the starter? Need to remember to check it out after work.
Yes, the adjuster **** is the major obstical on models so equipped. It is by no means easy to access the starter lug, but in an emergency, no special tools are needed for a jump start.
I have Heritage as well and would like to know if jump starting by connecting to starter is possible. Is there any risk to damage any electronics by doing this? Did anyone actually tried this starter jump in real life? And was it successful? I will prefer to carry jumper cables rather then buying jump buster for 175$
It's no different than connecting your jumper cables to the battery. As far as risk goes, it is recommended the donor vehicle is not running, as there are too many variables involved with the donor's charging system.
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