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Questions tagged [battery-drain]

A loss of electrochemical potential between positive and negative terminals a car's battery, creating a loss of power, sometimes to the point of being unable to start the vehicle.

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7 votes
1 answer

What would cause a slow drain of a battery?

Have a 2002 Toyota Camry, I got a switch to disconnect the battery, but before that the battery would slowly drain if you left the car for about a week. The solution is fine for now, but how would I ...
user379468's user avatar
6 votes
5 answers

Car battery won't charge above 50%

I had a problem starting my car after not driving it for two weeks. After charging the battery with a CTEK trickle charger via the cigarette lighter socket, the car started fine. I had my car battery ...
SilverlightFox's user avatar
3 votes
2 answers

What are "normal" battery recharge needs for modern cars?

I just bought a brand new car (Honda Accord Touring 2017). Its battery recharge characteristics are: - loses 1/3 of its charge in 4 days (if the car is resting. See test attached) - loses 1/3 or its ...
sambaMan's user avatar
3 votes
1 answer

Why won't my car even crank?

While inspecting the wires under the hood of my 1995 Camry LE (v6) I noticed that a wire ending at my alternator was loose. Note that before I disconnected anything, my car would start fine... So I ...
Nathaniel Davidson's user avatar
1 vote
1 answer

Emergency flashers drain the battery in 5-10 minutes

I have a 5yo Honda CRV. Recently I had two episodes when the car did not start after it was left with emergency flashers (hazard lights) on for 5-10(?) minutes. I had to ask someone to jump-start it (...
sds's user avatar
  • 113
1 vote
2 answers

Using li-ion battery on motorcycle with existing minimum current draw

I own a Ducati 848 motorcycle which is well known for needing battery tender. Most of the owners of such bikes (along with their bigger brothers 1098) especially since they are not riding them every ...
kokobill's user avatar
  • 1,005
1 vote
2 answers

Device that prevents vehicle from draining accessory batteries?

Not exactly sure if the device / component or setup I'm asking about even exists. But, here is my naive question (I am bad with electrical in general): Is there something built into modern vehicle ...
maplemale's user avatar
  • 541
1 vote
4 answers

Minimum driving miles to keep battery charged (Honda Civic 2015)

I have a 2015 Honda Civic and I got a new battery for it about six months ago. Recently the car hasn't been starting and required jumps every morning to run. I took it to the dealership and they let ...
hchc1992's user avatar