02-09-2020, 01:21 PM | #111 | |
Gone Wild
Join Date: Oct 2019
Posts: 646
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Re: DIY 101 - 14 cell Nissan Leaf lithium pack
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03-29-2020, 10:42 AM | #112 |
Not Yet Wild
Join Date: Nov 2018
Location: SC
Posts: 4
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Re: DIY 101 - 14 cell Nissan Leaf lithium pack
Great write up and great detail. Threads like these have really helped me pass the time lately.
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04-02-2020, 08:18 PM | #113 |
Not Yet Wild
Join Date: May 2019
Posts: 28
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Re: DIY 101 - 14 cell Nissan Leaf lithium pack
Great build👏👏
I was wondering what kind of range you get/expect? I’ve tried learning about battery power, but the only thing ive learned is bigger number is better😅 You have a 48V 125ah pack now, is that the same ish as if I bought 3 x 12V 60Ah lithium batteries? Live in Norway and we have a lot of leaf batteries, but probaly less then 30 people own a golf cart. And zero people tuning them. Ive fully restored a DS with alltrax XCT48500 and FSIP TOURQE motor ++ and desperetly want longer range and less battery maintance. Buying “normal” lithium batteries would be so much easier and safer, but will it have the same perfomance as a 14 cell leaf build?? Stay safe over there😷 |
04-03-2020, 11:08 AM | #114 |
Gone Wild
Join Date: Oct 2012
Location: Southwestern Pa.
Posts: 6,204
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Re: DIY 101 - 14 cell Nissan Leaf lithium pack
When your pack hit's 50-V.....it's time to get to a outlet to charge up!!
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04-05-2020, 10:45 AM | #115 | ||
Gone Wild
Join Date: Nov 2018
Location: Lady Lake, FL.
Posts: 457
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Re: DIY 101 - 14 cell Nissan Leaf lithium pack
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Sent from my SM-G960U using Tapatalk |
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04-05-2020, 11:01 AM | #116 | |
Gone Wild
Join Date: Nov 2018
Location: Lady Lake, FL.
Posts: 457
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Re: DIY 101 - 14 cell Nissan Leaf lithium pack
Quote:
I actually put a label under the volt meter that says "52v Min." the owner knows that there's 5+ miles in the tank after that but it's time to watch it closely. It's more for people borrowing the cart and out joyriding and don't comprehend the level of damage to the pack if over discharged. Once it gets to around 51v it starts dropping like a rock! You can probably go from 52v to 48v in less than 20-30 minutes of hard driving... With as many miles of golf cart roads around here that's easy to do. Again the audible alarm is the last layer of protection to keep someone from turning their modules into something resembling a puff pastry. If the alarm sounds you need to plug in the cart to silence it. Simple and effective. Sent from my SM-G960U using Tapatalk |
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04-08-2020, 11:03 AM | #117 | |
Gone Wild
Join Date: Jan 2013
Location: Saint Petersburg, FL
Posts: 2,089
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Re: DIY 101 - 14 cell Nissan Leaf lithium pack
Quote:
Also, just curious, what is the VPC and/or full pack voltage at which your LV cutoff kicks in? Mine is 3.25vpc (pack 45.5v). Contemplating increasing that but if I add an annoying buzzer at 47.5v then I can leave it as-is. |
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04-13-2020, 08:06 PM | #118 |
Gone Wild
Join Date: Nov 2018
Location: Lady Lake, FL.
Posts: 457
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Re: DIY 101 - 14 cell Nissan Leaf lithium pack
Sorry I didn't get back sooner bit I've been s little distracted recently. In the cart I just finished I used a programmable monitor called "Battery Failsafe Device". I wired it to B- and the 48v output/ controller side of the solenoid.
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04-13-2020, 08:46 PM | #119 | |
Gone Wild
Join Date: Oct 2019
Posts: 646
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Re: DIY 101 - 14 cell Nissan Leaf lithium pack
Quote:
I found a cheap (~$12) LiOn SOC meter (voltage based) that is supposed to have a configurable audible voltage alarm but I haven't had time to try it yet. Just wanted it for the low voltage alert, but not sure it will work as well as the one you've indicated here though. |
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04-23-2020, 11:44 PM | #120 |
Not Yet Wild
Join Date: May 2019
Posts: 4
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Re: DIY 101 - 14 cell Nissan Leaf lithium pack
Mcjefe
Thanks for this post did you happen to post the electrical schematic that's in the background taped to your wall somewhere? |
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