powersurge
Posts: 1742
Joined: Wed Oct 21, 2015 10:24 am
Delivery Date: 06 Dec 2014
Location: Long Island, NY

Re: Newbie Battery Questions

Thu Oct 24, 2019 7:07 am

Gospelman wrote:
Wed Oct 23, 2019 10:58 pm
johnlocke thanks for the information concerning build date. You'll be pleased to know that I'm already complying with your recommendations, charging to 80% and allowing the charge to sink to 20 - 30 % before recharging.
I don't think you need to let the battery go that far down... Especially LEAVING IT THERE. The battery state that it should be (for the longest life) is 50% (or 40 to 60). You can leave it for weeks or more at that level. That is where you want the battery to spend the greatest part of its life. You also should not let it go down below 25-40% before recharging ASAP. If you will not use the car, bring it back to around 50%

I keep my battery, while at home, in the 40-60% range. I plug the car at night, in with the timer to start charging to 100% right before I leave for the day's driving. Try to only charge to 100% when you are going to drain it down to 60% soon. Otherwise, if you are only driving the car 15-20 miles per day, charge it to 80%, and recharge when it reaches about 40%.

alanwan306
Posts: 2
Joined: Sun Feb 23, 2020 8:06 pm
Delivery Date: 25 Feb 2020

Re: Newbie Battery Questions

Tue Mar 17, 2020 12:22 pm

I'm a newbie to the forum and have a battery charging timer question.

If I set charging timer OFF I get that, say I plug it in and charge timer off in 90 minutes. It turns off. Great.

My question is if my battery is 30%. it's 9pm at night. Then i set the charge timer OFF to 8am (for the next day morning). From my understanding, I plug it in at 9pm, set the timer OFF at 8am, the car only starts charging say around 5 or 6am, as long as it calculates to finish charging the car to 100% by 8AM. Am I correct?

Alternatively, I have the 2016 S model (no navigation). I assume, there is no "long life mode?" i.e. setting the timer off to 8am but to have it only charge to 80%. Is there a hack for this? I have a level 2 charger but it's basic with no timer, no wifi, it just plugs in to the outlet, to the car, and charges.

Thanks, love the car, love this forum and you guys all taught me so much from the couple weeks I owned the car and joined the forum!!
2016 Leaf S. Purchased "new" on Feb 2020 with 30,500km, with a battery SOH @ 88.8 %.
Loving it!

goldbrick
Posts: 781
Joined: Tue Aug 01, 2017 3:33 pm
Delivery Date: 01 Aug 2017
Leaf Number: 311806
Location: Boulder, CO

Re: Newbie Battery Questions

Wed Mar 18, 2020 9:36 am

That's sounds about right for how the charge timer works, although I'm no expert since I never use mine.

As for a hack, the only way to charge to 80% with a 2016 S is to set the charger timer's OFF time to some value later than when you want to leave. So, for example, set the timer for 10AM and it will try to reach 100% at 10AM. If you leave at 8AM, you can just unplug the car and go. It will probably take some trial and error to find the right values to use but it should be pretty consistent once it's set.

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