# Battery drain Hazard lights? **URL:** \ **Category:** General Discussion\ **Tags:** accord, honda\ **Created:** [February 9, 2023, 7:53pm UTC](https://community.cartalk.com/t/battery-drain-hazard-lights/189056 "2023-02-09T19:53:14Z")\ **Posts on this page:** 11\ **Page:** 1
**Author:** ![wavyonwheels](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/wavyonwheels/32/17969_2.png) [@wavyonwheels](https://community.cartalk.com/u/wavyonwheels)\ **Post date:** [February 9, 2023, 7:53pm UTC](https://community.cartalk.com/t/battery-drain-hazard-lights/189056/1 "2023-02-09T19:53:15Z")
I was about to head to an appointment but my door opener did not yield even a click. Yup no juice I tried my jump box but that did not have enough juice to start it. I was wondering if my solar charging device had gone awry when I realized I had a beep beep going on. My hazard lights were on. My question: could Hazard light kept flashing for about 24 hours drain a year old battery? Or should I look else where? I am trying to use my jump box to give it a trickle charge, enough to get it started with the jump box. Getting my exercise for the week just dragging it back and forth to recharge it. Do I have a chance for this to work ? ---
**Author:** ![lion9car](https://avatars.discourse-cdn.com/v4/letter/l/59ef9b/32.png) [@lion9car](https://community.cartalk.com/u/lion9car)\ **Post date:** [February 9, 2023, 8:09pm UTC](https://community.cartalk.com/t/battery-drain-hazard-lights/189056/2 "2023-02-09T20:09:31Z")
> [@wavyonwheels](#): > > could Hazard light kept flashing for about 24 hours drain a year old battery? If my quick search results are correct, each bulb draws about 2 A, assuming they’re incandescent. If you have four bulbs on 50% of the time, that’s 4 Ah every hour, for a total of 48 Ah in 24 hours. Depending on the capacity of your battery, that’s anywhere from a significant portion of its capacity to all of it. ---
**Author:** ![Barkydog](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/barkydog/32/2470_2.png) [@Barkydog](https://community.cartalk.com/u/Barkydog)\ **Post date:** [February 9, 2023, 8:13pm UTC](https://community.cartalk.com/t/battery-drain-hazard-lights/189056/3 "2023-02-09T20:13:56Z")
I would think it a possibility and start there. Had a ford with a random sticling brake light switch, it could kill the battery overnight. ---
**Author:** ![asemaster](https://avatars.discourse-cdn.com/v4/letter/a/5f9b8f/32.png) [@asemaster](https://community.cartalk.com/u/asemaster)\ **Post date:** [February 9, 2023, 8:23pm UTC](https://community.cartalk.com/t/battery-drain-hazard-lights/189056/4 "2023-02-09T20:23:50Z")
> [@wavyonwheels](#): > > could Hazard light kept flashing for about 24 hours drain a year old battery? Certainly. Why were the hazard lights on? ---
**Author:** ![wavyonwheels](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/wavyonwheels/32/17969_2.png) [@wavyonwheels](https://community.cartalk.com/u/wavyonwheels)\ **Post date:** [February 9, 2023, 8:25pm UTC](https://community.cartalk.com/t/battery-drain-hazard-lights/189056/5 "2023-02-09T20:25:05Z")
The dumb azz owner must have hit the switch. (Me of course 🙄) ---
**Author:** ![wavyonwheels](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/wavyonwheels/32/17969_2.png) [@wavyonwheels](https://community.cartalk.com/u/wavyonwheels)\ **Post date:** [February 9, 2023, 8:36pm UTC](https://community.cartalk.com/t/battery-drain-hazard-lights/189056/6 "2023-02-09T20:36:50Z")
For what ever it is worth the specs are: Cold Cranking Amperage: 640 A Cranking Amperage: 800 A Reserve Capacity: 100 min ---
**Author:** ![circuitsmith](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/circuitsmith/32/40376_2.png) [@circuitsmith](https://community.cartalk.com/u/circuitsmith)\ **Post date:** [February 10, 2023, 12:24am UTC](https://community.cartalk.com/t/battery-drain-hazard-lights/189056/7 "2023-02-10T00:24:31Z")
> [@wavyonwheels](#): > > Reserve Capacity: 100 min Reserve is measured at 25A. 100 min = 1.7 hour So 25A x 1.7H = ~42AH. ---
**Author:** ![TheWonderful90s](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/thewonderful90s/32/29584_2.png) [@TheWonderful90s](https://community.cartalk.com/u/TheWonderful90s)\ **Post date:** [February 10, 2023, 4:15am UTC](https://community.cartalk.com/t/battery-drain-hazard-lights/189056/8 "2023-02-10T04:15:07Z")
> [@lion9car](#): > > that’s 4 Ah every hour, for a total of 48 Ah in 24 hours. Even worse, it’s 96 amp hours in 24 hours! ---
**Author:** ![lion9car](https://avatars.discourse-cdn.com/v4/letter/l/59ef9b/32.png) [@lion9car](https://community.cartalk.com/u/lion9car)\ **Post date:** [February 10, 2023, 5:11am UTC](https://community.cartalk.com/t/battery-drain-hazard-lights/189056/9 "2023-02-10T05:11:26Z")
> [@TheWonderful90s](#): > > Even worse, it’s 96 amp hours in 24 hours! Oops, I guess I was in too big of a hurry when writing that up! ---
**Author:** ![wavyonwheels](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/wavyonwheels/32/17969_2.png) [@wavyonwheels](https://community.cartalk.com/u/wavyonwheels)\ **Post date:** [February 10, 2023, 1:46pm UTC](https://community.cartalk.com/t/battery-drain-hazard-lights/189056/10 "2023-02-10T13:46:22Z")
So that would be about 1.75 Amps drawn over 24 hours. I have a clamp on Ammeter that I will measure the current with ( if I can get it working right, looks flakey now). Going down to down to Advance Auto to pick up the battery, will get back… BTW I gave lost the Reply button again using Pale Moon browser. Another Discourse problem. ---
**Author:** ![wavyonwheels](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/wavyonwheels/32/17969_2.png) [@wavyonwheels](https://community.cartalk.com/u/wavyonwheels)\ **Post date:** [February 10, 2023, 4:03pm UTC](https://community.cartalk.com/t/battery-drain-hazard-lights/189056/11 "2023-02-10T16:03:32Z")
Battery charged up good. I have a reading of about 1/2 to 3/4 on and off. My meter is not made for such low currents so I will say it is in the ball park. Not a good situation where the battery can get drained in a day with the flasher on. And it does not give a beep beep if one closes the door with it on. Thanks All!!