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Ultimate Battery Thread


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#41 oldhotrod

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Posted 19 August 2019 - 03:39 AM

After watching the @Will Prowse video, i opted to go with the battle born battery. I figured here was a pretty smart young man, capable of assembling his own battery and even he recommended battle born, well that was good enough...well almost, actually i tried to buy one from a local supplier but they were so ridiculous to deal with that i contacted battle born first through IM. They responded immediately which is never the case, then they asked if they could call me to see what me needs were, another rarity. Xlnt communication and customer service...i highly recommend...and i don't like anybody...lol
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#42 PaulT

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Posted 19 August 2019 - 04:35 AM

I found Battleborn responsive, also, and great pre-sale and post-sale. Answered every question I had.

 

Paul


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#43 oldhotrod

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Posted 19 August 2019 - 04:56 AM

I have emailed questions to companies over the years and it is safe to say that i have never got an answer the same day, with many never replying...so when i made an off hand joking comment to a post someone at battle born had put on facebook, imagine my surprise when i almost immediately received a messenger reply asking if someone could call me...that meant a lot, showed they were paying attention and the importance of communicating with customers...this is rare today, is kind of an old school way to do business and that is important to me...especially with business done over the internet...

Edited by oldhotrod, 19 August 2019 - 04:57 AM.

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#44 ckent323

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Posted 22 August 2019 - 06:36 PM

I added some links to recent posts on batteries, wiring for batteries and battery electronic - on page 1 post #2

Regards,

Craig

Edited by ckent323, 22 August 2019 - 06:37 PM.

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#45 kBash

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Posted 08 September 2019 - 03:55 PM

I have spent a fair amount of time searching......can anyone tell me the charge parameters for the Exide AGM24DP? I recently installed my new Victron Smart charger and I’m in the final setup phase before I make the last connection to my panels.

I also clicked a few links that are on page 1 and they take me back to this post every time. A few of them may be messed up or it’s an error on my end.
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#46 ckent323

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Posted 09 September 2019 - 02:41 AM

kBash,

Look here:
http://www2.exide.co...cs 11_13_15.pdf

last row "Flat Plate - e.g. Exide Edge


Also here

https://www.deepcycl...ne-battery.html

"float voltage (at 25°C/80°F) is 13.5 - 13.8 V and cycling voltage (at 25°C/80°F) is 14.1 - 14.4 V."


Please be advised that a Dual Purpose battery is not the same as a Deep Cycle Battery. It is between a starting battery and a deep cycle battery.

For a house battery (or battery bank) my recommendation is an AGM true deep cycle battery and for a starting battery my recommendation is a good AGM starting battery.

LifePO4 may be an appropriate alternative if you understand the use conditions and charging needs (assuming you are willing to accept the up front costs for the battery and the charging electronics)

Regards,

Craig

Edited by ckent323, 09 September 2019 - 02:42 AM.

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#47 ckent323

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Posted 14 September 2019 - 08:12 PM

Added links to the recent "MPPT + DC-DC = (cheap) B2B" and "Charging Choice" WTW threads.

Summarizing question on how much current can one put into a lead acid battery during charging see the info at the "Charging Choice" link:

I found the following information which may be of use relative to battery charging

https://batteryunive...ad_acid_battery

https://www.itacanet...ery/battery.pdf

https://www.impactba...my-car-battery/

https://www.powerstream.com/SLA.htm

Relative to Lifeline Batteries I found the following:

"The charging current during bulk charging should be set as high as practical; higher current levels mean faster recharge time and less time for the plates to become sulfated. Due to the low impedance design, Lifeline batteries can tolerate an inrush current as high as 5C (500 A for a 100 Ah battery)."

I do not believe this is unique to Lifeline batteries but it may only apply to high quality batteries - I don't really know.

Ref: http://lifelinebatte...ical-Manual.pdf


Note: internal resistance in a lead acid battery changes with SOC and temperature.

https://batteryunive...ect_performance

and

https://batteryunive...rnal_resistance


I hope this information is helpful.

Craig

Edited by ckent323, 14 September 2019 - 08:22 PM.

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#48 ckent323

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Posted 25 September 2019 - 04:06 AM

With apologies something happened recently when I edited the list of links and all of the links were broken. I have contacted the WTW moderators to help fix the problem.
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#49 Wandering Sagebrush

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Posted 17 October 2019 - 12:27 AM

Craig, I’ll alert the admins.  This is probably above mod permissions.


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