Charging car battery with charger without disconnecting from car
Mar 10, 2023 · Car has a tracker installed as well. I want to give the battery (lead acid 46AH) a top up using battery charger (10A) after every week so that battery remains charged since ECU …
What's the difference between 2 A and 10 A charging options?
Jul 27, 2019 · My battery charger has a 2 A and 10 A option. What's the difference? If 10 A is more and faster, why not just put the 10 A option?
charging battery with DC power supply - Motor Vehicle …
Sep 4, 2017 · Fairly straightforward question, would I be able to charge my car battery with a DC power supply that outputs 12V 2.5A? I know real car battery chargers put out 12V 10A. Would …
electrical - Motor Vehicle Maintenance & Repair Stack Exchange
Nov 5, 2025 · With the fuse tap, the original circuit still has its original 10A fuse, and my addition gets a new 3A fuse, which is the smallest that came with the fuse tap. With that difference in …
Charging 12v car battery with 12V 2A power supply
Jan 9, 2018 · @Paulster2 Added some details in question. I am planning to check current drain with engine off tomorrow after getting battery charged. I am thinking of putting my Multimeter …
Best way to recharge battery using alternator?
Jun 28, 2022 · After several hours on 10A there was no change in the needle; I've switched it to 2A based on your recommendation, but will have to wait overnight to see if it works better that …
Preventing alternator draining car battery - Motor Vehicle …
May 3, 2018 · An alternator already contains diodes before the output terminal that will prevent reverse current flow, in most automobiles the alternator output is wired directly to the battery. …
Removing the cigar lighter socket in the Outback load area
Jul 22, 2023 · I understand that these circuits should be limited to 10A (although the Subaru has a 20A fuse for this circuit) and I have a charger which will limit the current to 10A. Unfortunately I …
Is a battery healthy if drops under 10 volts with load?
Nov 9, 2020 · To my knowledge of a battery drops under 10 volts on start then it is unhealthy and need recharging/replacing. However I have just read another answer where it states a battery …
Battery drain but multi meter shows it doesn't
Apr 26, 2021 · Just disconnect the large cable from the battery positive post that goes to the alternator, then put the 2 probes of your multimeter in between them with the multimeter set to …