disconnect the positive lead from the battery with everything off. Then touch it gently to the battery post , if you see a spark there is something drawing current
Maybe your alternator needs replacing.
Alternator is defective and needs replacing.
There is not an alternator indicator light on a Honda Pilot. If the alternator goes out, the battery will not stay charged.
ALTERNATOR OR THE BATTERY GROUND WIRE Have you tried checking your Alternator? I know this is why mine on my vehicle would not stay charged..
Your battery does not stay charged. You can take it to a shucks or napa to have it check free. Ed
You might have a bad battery, a poor connection between the battery and alternator, or a bad ground from the battery.
something is causing a drain on the battery when switch is turned off
alternator or bad wires
Fist may be steering lock fail at position 2 second alternator not charged to battery ( bad alternator ) i thing diode froom alternator broken
Something is on draining the battery or it has a dead cell and needs replacing.
The battery is bad or the alternator is not putting out the correct voltage and is bad.
Defective alternator, dead cell in battery, something on pulling power from the battery when the vehicle is idle, corroded battery cable connections, or loose alternator drive belt.