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Exige V6 Dry Cell Battery Recommendation - Page 2 - Interior/Exterior/Lights/Glass/Alarms/ICE/HVAC/Other - The Lotus Forums Jump to content
Edison Ngu

Exige V6 Dry Cell Battery Recommendation

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Shorai make Lithium Iron batteries which are light weight (2.19Kg)

This one is Left + Right - connections and this one is Left - Right +

There's tons of lightweight brackets to fit every battery. I found what I needed for my Odyssey battery for the Elise easily on eBay stores.
 

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Thats a very good gain then! Umm cable ties for the mounting :lol: being so light, i would have thought you could strap it down with a decent band or velcro strap. Wont go anywhere! Will have a look, as. 1.5 kg for the bracket is crazy!

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Cant comment on the CR model but i've done the maths.. weight/cost and by far the replacement of the OEM battery to a Braille or similar is the best weight reduction per pound than any other modification (ie. carbon rear bonnet, roof, etc...)


www.alias23.com

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2 hours ago, NW76 said:

I think its a different one ... I had it out recently ... I guess maybe 7-8 kg ... if you google the weight savings on the CR vs the S one of the main drivers Lotus mentions is a lightweight battery ... whatever that means ...

My searching suggest the CR may use the Varta B18 which is an 063 (44ah) equivalent and is listed at 11 kgs. Tthe std cars use a 72ah  and the 350 versions list as 74ah and 63ah

My owm 360 cup has a Varta E43 72AH at 17.4 KGS

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I mounted a VARTA SILVER 44ah battery as the best money-weight saving value 

For only 75€ a 8 kg weight reduction 

No problems with battery autonomy 

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6 hours ago, Seriouslylotus said:

My searching suggest the CR may use the Varta B18 which is an 063 (44ah) equivalent and is listed at 11 kgs. Tthe std cars use a 72ah  and the 350 versions list as 74ah and 63ah

My owm 360 cup has a Varta E43 72AH at 17.4 KGS

You are right... 11kg should be close... so 6kg less... but a 2-3 kg solution still would also be very interesting for me... 

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9 hours ago, Yellow Peril said:

Shorai make Lithium Iron batteries which are light weight (2.19Kg)

This one is Left + Right - connections and this one is Left - Right +

There's tons of lightweight brackets to fit every battery. I found what I needed for my Odyssey battery for the Elise easily on eBay stores.
 

Those Shorai units look very interesting. They even have a battery management system port, which I assume is the cell taps for balancing. Might get one for the Caterham at the very least.

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9 hours ago, Dani said:

I mounted a VARTA SILVER 44ah battery as the best money-weight saving value 

For only 75€ a 8 kg weight reduction 

No problems with battery autonomy 

Do you need to change the oem bracket to secure the battery?

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Yes, I think so, my mechanic told me that he adapted the bracket. When I will get the car again I can take a picture of that and upload here. 

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Cheers Dani. I would also be interested to see how bracket was adapted.

Do you have a link to which battery you purchased please?

 

I know nothing about batteries, but is there any reason the CR battery (44ah) would not be put in all Exiges and Evoras? Like is there a notice that they need to be kept on trickle charger or something?

Edited by RedViper

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1 hour ago, RedViper said:

Cheers Dani. I would also be interested to see how bracket was adapted.

Do you have a link to which battery you purchased please?

 

I know nothing about batteries, but is there any reason the CR battery (44ah) would not be put in all Exiges and Evoras? Like is there a notice that they need to be kept on trickle charger or something?

I do not know for the standard but my car came with a trickle charger (straight from Lotus - did the V6 S as well?!?) and there was a clear recommendation to use it ;-) ... I end up after two weeks downtime to put my battery on the trickle charger ... that works fine...  

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25 minutes ago, NW76 said:

I do not know for the standard but my car came with a trickle charger (straight from Lotus - did the V6 S as well?!?) and there was a clear recommendation to use it ;-) ... I end up after two weeks downtime to put my battery on the trickle charger ... that works fine...  

I guess that the way they get round smaller battery then. No trickle charger supplied with car or recommendation to use one.. I have one anyway though as car often goes unused for weeks at a time... I know... shame

I think I could be tempted by the Varta Silver then given its relatively cheap for 7kg weight reduction :)

Edited by RedViper

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Hope it helps

4 hours ago, RedViper said:

Cheers Dani. I would also be interested to see how bracket was adapted.

Do you have a link to which battery you purchased please?

 

I know nothing about batteries, but is there any reason the CR battery (44ah) would not be put in all Exiges and Evoras? Like is there a notice that they need to be kept on trickle charger or something?

Sorry, I was wrong, because I mounted a 52ah battery. Anyway, its a 12kg battery  (-7Kg) with more than enough autonomy. No charges needed. 

Here is the official web page:

http://www.varta-automotive.com/en-gb/products/automotive/silver-dynamic/

Amazon

https://www.amazon.co.uk/C6-Varta-Silver-Dynamic-Battery/dp/B007NY6CQM

 

And here you have a picture (sorry for the quality). I hope it helps :):

20160906_115501.jpg

 

The battery is this one: 

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I don't know what chargers Lotus supply but the best way to keep a battery in good condition is to use something like a CTEK "maintenance charger". I use them and keep it attached and powered on at all times. It only charges if and when it's needed by continually monitoring the battery. That way your battery won't do a total discharge and potentially become unrecoverable. 

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4 hours ago, Dani said:

Hope it helps

Sorry, I was wrong, because I mounted a 52ah battery. Anyway, its a 12kg battery  (-7Kg) with more than enough autonomy. No charges needed. 

Here is the official web page:

http://www.varta-automotive.com/en-gb/products/automotive/silver-dynamic/

Amazon

https://www.amazon.co.uk/C6-Varta-Silver-Dynamic-Battery/dp/B007NY6CQM

 

And here you have a picture (sorry for the quality). I hope it helps :):

20160906_115501.jpg

 

The battery is this one: 

Hi Daniel, thanks for the picture. So is this the oem bracket to hold the battery in place?

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Thanks for that Dani. I checked mine just now and I have the E43 one same as SL. 

So would be a decent weight saving to fit one you have. Thanks for pic ?

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So just to be clear...

The Varta 52ah which can be bought here:
https://www.amazon.co.uk/C6-Varta-Silver-Dynamic-Battery/dp/B007NY6CQM

Provides a weight saving of circa 7-8KG and retains the existing OEM bracket and requires no full time trickle charger to be fitted - Correct?

If so for the sake of £70-80 and the cost saving that is the best bang for buck on weight saving!


www.alias23.com

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33 minutes ago, 550superfast said:

All good information and each to their own.

I am more interested in saving 15kg or so and happy to spend £500 doing it.

I'm with you Gary. I want the maximum weight saving I can get ( within reason)  these batteries  are  way better bang for buck than anything carbon!! However having just bought a Braille battery I am sad to report the uk Braille website is out of date with its pricing! Due to exchange rates the retail price of the GU1R is now £530 + vat and delivery ........

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If you go the route, please let us know how this works. The additional saving is very interesting for me.

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a friend of mine has a battery business, but doesn't offer big capacity lithium batteries (yet) ... he was thinking that a 30Ah battery could be sufficient, with a cranking power of 450A (at -18°c)... and this battery may suit the description  (sorry, the website is in French) : 

https://www.bps-racing.com/eclairage-electricite/electricite/batterie/batteries-lithium-12v/batterie-competition-skyrich-lithium-12v-capacite-30-a-h.html

and the pricing is very good !

english spoken infos can be found here : http://www.skyrichbattery.com/Lithium-Ion-Battery/c10/p552/HJTX30L-FPLithium-Ion-Battery-YIX30L/product_info.html

not exactly same ref, but same features ... 

it can even be found for less than 220€, with free delivery (in France) : http://www.silverperformance.fr/batterie-skyrich-lix30l-hjtx30lfp-lithium-ion-p-138312.html

wondering if the 60Ah max charging can be an issue ... I may have a try, though !

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