User avatar
Stanton
Forum Supporter
Posts: 1846
Joined: Thu Feb 03, 2011 10:56 am
Delivery Date: 01 Sep 2011
Leaf Number: 7458
Location: Plano, TX
Contact: Website Twitter

Replaced 12v Lead with 12v Lithium

Sat Mar 23, 2013 1:17 pm

I finally "pulled the trigger" on a 12v Lithium replacement for the stock Lead Acid and so far, so good. Here's a link to the actual battery/specs I bought:

http://lithiumpros.com/products/more-in ... umber=C925

I had to get creative with positioning of the 12v Lithium as it was wider and shorter than the stock battery; I put a small block of wood underneath, turned it on it's side, and reversed the bracket so I could line up the (+) terminal harness (they sure don't leave a lot of slack in that cable). I did a CarWings "status update" to make sure everything came back up and plugged it in for a timer charge Monday morning (as usual). Here's a pic to see what shedding 10 lbs looks like :P
Leaf_after.jpg
You do not have the required permissions to view the files attached to this post.
Last edited by Stanton on Sat Mar 23, 2013 5:05 pm, edited 1 time in total.
2011 Blue Ocean SV w/floor mats & window tint
12v LiFePO4 battery & FIAMM 74100 horns
Wet Okole seat covers (front)
Tor's low-power heater mod
2013 sun visor
3G modem upgrade
L2 EVSE Upgrade
Battery Pack replaced (Rev E) @51 months and 41k miles

User avatar
surfingslovak
Vendor
Posts: 3804
Joined: Mon Jun 13, 2011 1:35 pm

Re: Replaced 12v Lead with 12v Lithium

Sat Mar 23, 2013 1:29 pm

Looks great! Please keep us updated, I'd be very interested to hear how it performed for you over time.

User avatar
ampitupco
Forum Supporter
Posts: 175
Joined: Thu Jun 10, 2010 1:58 pm
Delivery Date: 11 Jan 2012
Leaf Number: 17235
Location: Arvada, CO
Contact: Website

Re: Replaced 12v Lead with 12v Lithium

Sat Mar 23, 2013 1:31 pm

Wow that's quite a price for a 12v accessory battery!
ampitupco
2015 LEAF SV
2012 LEAF SL: 33000 miles 229 GID / 55.7Ahr (10/2015) [SOLD]
LEAF Energy iOS app
Nissan LEAFs For Sale
Denver LEAF Owners

User avatar
TonyWilliams
Posts: 9949
Joined: Sat Feb 19, 2011 1:48 am
Location: San Diego
Contact: Website

Re: Replaced 12v Lead with 12v Lithium

Sat Mar 23, 2013 1:36 pm

Stanton wrote:I finally "pulled the trigger" on a 12v Lithium replacement for the stock Lead Acid and so far, so good. Here's a link to the actual battery/specs I bought:

http://lithiumpros.com/products/more-in ... umber=C925


How did you pick this $845 battery? There seem to be a number of others out there. How does the BMS work? Any warranty as the battery bakes in the Texas sun? What lithium chemistry? How many cells?

downeykp
Forum Supporter
Posts: 573
Joined: Wed Nov 24, 2010 9:11 am
Delivery Date: 31 May 2011
Leaf Number: 1931
Location: Keaau, HI

Re: Replaced 12v Lead with 12v Lithium

Sat Mar 23, 2013 1:40 pm

$845 for a battery? Where is the logic in that?
2011 Black Leaf SL+QC Vin. 1931
Res. 6-14-10 Order 1-25-11
EVSE: Mod'd Ver. 2 Nissan L1
Delivered 5-31-11

67 Months 25600mi. 10 bars

39 Suniva panels 10.3kw with Enphase micro inverters my electricity cost $21.87 a month.

User avatar
mikeEmike
Posts: 69
Joined: Sat Sep 22, 2012 7:13 am
Location: San Fernando Valley

Re: Replaced 12v Lead with 12v Lithium

Sat Mar 23, 2013 3:08 pm

If it's worth $845 to shed 10 pounds, I'm going on a diet today. In fact, I think I'll go on a diet and lose 10 pounds anyway, even if it's worth $0. It will do a lot more good for my health than it would for my car.

User avatar
EVDRIVER
Posts: 5769
Joined: Sat Apr 24, 2010 7:51 am

Re: Replaced 12v Lead with 12v Lithium

Sat Mar 23, 2013 3:17 pm

That would make for a nice set of low weight wheels which would add more benefit. These batteries are really of benefit to ICE racers looking to shave every pound.

User avatar
Stanton
Forum Supporter
Posts: 1846
Joined: Thu Feb 03, 2011 10:56 am
Delivery Date: 01 Sep 2011
Leaf Number: 7458
Location: Plano, TX
Contact: Website Twitter

Re: Replaced 12v Lead with 12v Lithium

Sat Mar 23, 2013 3:44 pm

I see a couple of basic questions:

1) Once you decide you DON'T want a lead acid 12v battery in your car (and I think we're seeing signs that they DON'T do well in a Leaf), your choices are limited to the AGM type batteries (that some have tried) or Lithium. If this battery lasts 3-5x LONGER than one of those, then paying 2-3x the price (which is already twice the price of a stock battery) will ultimately pay off in the long run (I didn't pay $800 for the battery). Same concept we took when we paid more for a BEV (up front) to avoid years of paying for gas.
2) You can read my blog entry on this (on MNL), but my research found that Lithium Pros know how to design batteries and the systems that control them to the point where their batteries have the most sophisticated BMS systems integrated into batteries today. As for the "cheap" 12v Lithium replacement batteries you find on eBay (and elsewhere), you get what you pay for.

Bottom line: I didn't buy this battery to save weight (although that's nice), I bought it because I expect it to last a LONG time in the Leaf.
2011 Blue Ocean SV w/floor mats & window tint
12v LiFePO4 battery & FIAMM 74100 horns
Wet Okole seat covers (front)
Tor's low-power heater mod
2013 sun visor
3G modem upgrade
L2 EVSE Upgrade
Battery Pack replaced (Rev E) @51 months and 41k miles

User avatar
EVDRIVER
Posts: 5769
Joined: Sat Apr 24, 2010 7:51 am

Re: Replaced 12v Lead with 12v Lithium

Sat Mar 23, 2013 4:07 pm

Stanton wrote:I see a couple of basic questions:

1) Once you decide you DON'T want a lead acid 12v battery in your car (and I think we're seeing signs that they DON'T do well in a Leaf), your choices are limited to the AGM type batteries (that some have tried) or Lithium. If this battery lasts 3-5x LONGER than one of those, then paying 2-3x the price (which is already twice the price of a stock battery) will ultimately pay off in the long run (I didn't pay $800 for the battery). Same concept we took when we paid more for a BEV (up front) to avoid years of paying for gas.
2) You can read my blog entry on this (on MNL), but my research found that Lithium Pros know how to design batteries and the systems that control them to the point where their batteries have the most sophisticated BMS systems integrated into batteries today. As for the "cheap" 12v Lithium replacement batteries you find on eBay (and elsewhere), you get what you pay for.

Bottom line: I didn't buy this battery to save weight (although that's nice), I bought it because I expect it to last a LONG time in the Leaf.



My factory battery in my LEAF is fine after 2 years. If I had to replace it I would likely not buy an expensive AGM since I don't plan on keeping the car more than two additional years. A quality AGM should last a long time in a LEAF, most people that trash the battery are doing it out of abuse or lack of use on the car. You can get quite a few quality AGM batteries for $800 and never have to worry about a costly failure down the road.

smkettner
Posts: 6977
Joined: Mon Aug 09, 2010 10:13 pm
Delivery Date: 26 Feb 2014
Location: Orange County, CA

Re: Replaced 12v Lead with 12v Lithium

Sat Mar 23, 2013 10:42 pm

1 bar lost at 21,451 miles, 16 months.
2 bar lost at 35,339 miles, 25 months.
LEAF traded at 45,400 miles for a RAV4-EV

Return to “Accessories / Mods”