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Old 03-12-2019, 09:58 AM   #15
ka-t_240
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Originally Posted by Gopherboy6956 View Post
After doing some looking - I think i'll go Braille AGM - still much lighter than stock, but no potential Lithium issues and I don't have to get a different trickle charger for winter.

Plus, around $200 still isn't bad.

https://www.braillebattery.com/index...atteries/b2618

Just make sure you disconnect over the winter if not leaving on a charger. It will help keep it happy. My battery is smaller, but still leave it on a charger most of the time.
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Old 03-12-2019, 11:44 AM   #16
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Just make sure you disconnect over the winter if not leaving on a charger. It will help keep it happy. My battery is smaller, but still leave it on a charger most of the time.
For sure - even my basically dead ass one is on a trickle right now
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Old 03-12-2019, 01:31 PM   #17
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Went to hang the charger on last night for a top off charge, only to find battery is completely dead. Not even a dome light. So....
It was a choice between the Optima and Deka AGM. I've had good luck with the Optima in my Tundra. Got 7 years out of the first one.

Decided on the Deka intimidator AGM since we buy boat loads of batteries from Deka here at work and I can get a decent price.
Hope it works out ok and holds up as well as the Optima.


The batteries in these cars sure go dead fast when sitting.
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Old 03-12-2019, 02:19 PM   #18
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Went to hang the charger on last night for a top off charge, only to find battery is completely dead. Not even a dome light. So....
It was a choice between the Optima and Deka AGM. I've had good luck with the Optima in my Tundra. Got 7 years out of the first one.

Decided on the Deka intimidator AGM since we buy boat loads of batteries from Deka here at work and I can get a decent price.
Hope it works out ok and holds up as well as the Optima.


The batteries in these cars sure go dead fast when sitting.
Optima moved their production facilities a while ago and started using recycled lead in their batteries almost 10 years ago. I got only a couple years out if the last two yellow tops on my truck, dead cell every time. I would pass on them. I been a big fan of Odessey and Northstar the last few years.

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Old 03-12-2019, 08:42 PM   #19
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I know you already picked up a battery, but Odyssey batteries get my vote... made mistake getting Shorai before it and ended up being a dead $300+ paperweight from daily driving within a few months. Voltage is critical on the lithium batteries and you can't let them get below 13.7 volts if you value your battery... so you have to watch your voltage like a hawk and have them constantly on a charger. If you start your car a few times within a short time/travel distance and no charging in-between would not recommend using for a daily driver. Would only use for coming and going to work and not running ANY short errands while at work. Charging while at work would be highly recommended if need to use the car for errands during the workday.

The Nissan dealership 'killed' the less than 1 year old Odyssey battery in my Frontier which they had for 3 months waiting on a replacement part for failed brake system because apparently they don't disconnect the battery and used it without recharging, first and last time I ever take a vehicle to them. They drained it down to ~3 volts then had the nerve to say I needed a new battery for $130. Told them I didn't want their junk OEM battery. OEM battery is why I bought the Odyssey when I got the truck in the first place - crazy ammount of corrosion on the main cable, connections, and battery bracket from it offgassing.

Contacted Battery Mart, where I purchase batteries from, and asked them to do the Odyssey recovery procedure, which they agreed to though saying no garantee since it was way outside the warranty drain specification, and that return shipping would be on me if it was a dead battery. So I shipped off the battery to them and they performed the recovery procedure, brought the battery back to life, and stress tested it with very healthy results.

Battery functions as new with no noticeable change in its performance. I'm sure some life was taken off it due to the Nissan dealerships negligence, but as long as I get useful service out of it for ~ 5 years it will be well worth it. I bought the when it was on sale and with an additional %15 off... so it was ~$80 less than normal price...normally ~$280, got it for just under $200. Odyssey batteries will last a good 7+ years of extreme use though, and are rated at up to 10 years useful life... and have a 5 year warranty.

I use the PC680MJ in my FR-S... metal jacket because higher heat rating and about 1/2 the weight of stock battery.
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Old 03-12-2019, 09:06 PM   #20
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Another vote for Odessey. Optima sold out and is junk now. Braille are super light, but my friends that use them on track cars get less than a year out of them and treat them like disposables.
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Old 03-13-2019, 07:30 AM   #21
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Any of these super lightweight batteries need to be on chargers as much as possible. And frankly if you sit them at work you should detach them so the don't drain. I'm surprised there isn't a prevalence of solar powered chargers for them, that you they can always be charging when the car is off.
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Old 03-13-2019, 11:24 AM   #22
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Any of these super lightweight batteries need to be on chargers as much as possible. And frankly if you sit them at work you should detach them so the don't drain. I'm surprised there isn't a prevalence of solar powered chargers for them, that you they can always be charging when the car is off.

Good point. I wonder if anyone has gone this route. I may try it.
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Old 03-13-2019, 01:32 PM   #23
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Good point. I wonder if anyone has gone this route. I may try it.

you can buy a little solar panel and charge controller at harbor freight for cheap.
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Old 03-13-2019, 04:10 PM   #24
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Originally Posted by Gopherboy6956 View Post
I just bought a Braille AGM - not lithium. So going with the traditional tech that's just 1/3 lighter.
I just went through the winter (a colder winter than previous years) in upstate NY with a Braille B3121 battery. There were no issues. It didn't need charging or anything different than stock battery. I will see how many years it will last. If it lasts more than 3 years, I am getting another.
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Old 03-13-2019, 04:14 PM   #25
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Hey All - Quick question -

My OEM battery finally bit the dust (from my 2013) and it's time for a new one.

I track my car occasionally and am not opposed to getting a smaller / lighter one. I do store my car in the winter on a trickle charger, so very cold starts are not an issue.

IF I do go with an aftermarket, smaller/lighter batter - I want it to be almost a direct swap if possible.

Any recommendations over another OEM battery?

Thank you!



What's going on here??? There are some very striking yellow bits that must turn blue....
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Old 03-13-2019, 04:17 PM   #26
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What's going on here??? There are some very striking yellow bits that must turn blue....
lol what? The battery will be gone and the only part left yellow is the sticker on top of the radiator fill tube

What will really throw you off is the red Cam Sensor Covers, Alternator and water pump pulleys.

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