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Thread: Light dry cell battery recommendations

  1. #31
    Registered User mad_cow's Avatar
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    Quote Originally Posted by mad_cow View Post
    I got a HC35 in the 300zx. Seems to be holding up well. It was 215 delivered.
    Update, no issues to report.

  2. #32
    Opens ALLMTR's Avatar
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    Quote Originally Posted by nelsonian101 View Post
    Think the one I got was a HC20. Much lighter than stock battery but only use if trying to save some weight for a track car. Each weight saving helps. For street use, I'd be using something bigger.
    How's the Hc20 going? I'm looking for a lightweight battery for my car but Ls motor? :/
    I own a two and a half litre Commodore

  3. #33
    Half Shafted. Madhatr's Avatar
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    I start mine with a HVT-2.

    http://www.ssbpowersport.com.au/Prod...5/Default.aspx

    Not super light at nearly 10kg, but it's pretty compact, price is good and is rated at over 500cca. New, I tested mine on an old style carbon pile load tester and it'll easily put out 800cca for 5 seconds.
    Last edited by Madhatr; 12-06-17 at 07:47 PM.
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    This happens every time one of these floozies starts poontangin' around with those show folk fags.

  4. #34
    Registered User nelsonian101's Avatar
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    Quote Originally Posted by ALLMTR View Post
    How's the Hc20 going? I'm looking for a lightweight battery for my car but Ls motor? :/
    Can't fault the HC20. Still going strong. Been flogged in cold weather at track days with E85 and thermos fans.
    BMW M140i daily. Honda Odyssey family car.





    Wakefield 1.07.386 (FG Falcon - Street Tyres 1.08.8) Marulan Short FG Falcon 43.4 SMP GP FG Falcon 1.48.1 Winton FG Falcon 1.35.4

  5. #35
    Registered User mad_cow's Avatar
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    Quote Originally Posted by mad_cow View Post
    Update, no issues to report.
    Thanks to a certain retarded panel shop, they sent my HC35 totally flat!

    Charged it back up on the AGM Reco setting on my charger and seems to still be good. Time will tell.

  6. #36
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    Quote Originally Posted by nelsonian101 View Post
    Can't fault the HC20. Still going strong. Been flogged in cold weather at track days with E85 and thermos fans.
    This ain't your daily drive though, is it?
    I own a two and a half litre Commodore

  7. #37
    Registered User nelsonian101's Avatar
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    Quote Originally Posted by ALLMTR View Post
    This ain't your daily drive though, is it?
    It was my daily drive for nearly 9 years, until I bought the M140i.
    Now the XR6T is a road registered track car that's just driven to and from various circuit/hillclimb events.
    BMW M140i daily. Honda Odyssey family car.





    Wakefield 1.07.386 (FG Falcon - Street Tyres 1.08.8) Marulan Short FG Falcon 43.4 SMP GP FG Falcon 1.48.1 Winton FG Falcon 1.35.4

  8. #38
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    Has no problem starting the 4.0 litre?
    I own a two and a half litre Commodore

  9. #39
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    Main thing with lithium batteries is they don't like being floated or overcharged, you'll get permanent damage VERY quickly. They don't like being run too low either. They are happiest between 20% and 80% charged.
    Most "12V" Lithium batteries are made of 4x 3.2V LiFePO4 cells, with a battery management system inside to keep the 4 of them in balance with each other, and to cut off any loads if the voltage gets too high or too low. Some have current limits of 50A, 100A etc even though the cells can do 500-1000A easily. You would need to find one with a BMS that has enough current capacity to run your starter. I think alternators put out a higher voltage than these batteries like, but I believe the battery management/protection systems should handle this. Some of the better ones even have bluetooth.

    Batteries don't like heat, I'd recommend relocating to the boot. You get peak power at 35 degrees C from a lithium battery. They don't like being charged too fast when they are cold either, but can handle cold starts fine. Lithium batteries don't really suffer from the Puekert effect either.

    Lots of interesting reading here:
    http://nordkyndesign.com/category/ma...ttery-systems/

  10. #40
    Registered User piss98's Avatar
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    Registering interest as I've been thinking about either an Optima or Lithium battery in the Nova as it will probably need a new one in the near'ish future. No idea what size lithium or good brands but like the lightness and general no fuss of them (plus I don't have to bother putting a lithium or optima in a box in the boot and can just leave it open/behind a panel)

    Who makes the hotness in lithium car batteries to reliably kick over an LS?
    Hide yo' wife!!!

  11. #41
    Registered User Mr Purple's Avatar
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    I'd considered going something funky for the Valiant like that but really can't be bothered because there's loads of room in the boot and the whole car needs to be rewired anyway. Plus weight saving in our old barges isn't a big issue!

    Are the Optimas actually worthwhile? Or should I just buy a generic AGM battery that happens to fit in the Moroso boot box.

  12. #42
    Registered User piss98's Avatar
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    I haven't put mine in a box yet so will get a wrist slap if pulled up. Given I'll need a new battery soon I figured for the same as a new battery and box I can just stick an Optima in at least, lithium is more $'s but having run one faultlessly in the bike for years (and for how light they are!) I am interested.

    And hey mine only weighs 1250kg! I can probably drop 12-15kg off the rear passenger corner with a lithium version.
    Hide yo' wife!!!

  13. #43
    Registered User mad_cow's Avatar
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    Quote Originally Posted by mad_cow View Post
    Thanks to a certain retarded panel shop, they sent my HC35 totally flat!

    Charged it back up on the AGM Reco setting on my charger and seems to still be good. Time will tell.


    Almost 2 years on the HC35 is still kicking. Would bang again!

  14. #44
    Registered User jabtronic's Avatar
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    I switched to dual 220cca SSB lithiums in my SR3 (Hayabusa motor, 12v system with 24v start). Haven't had the best run but I can't exactly blame the batteries I've killed 2 in a month so I need to first try and relocate them out of engine compartment. One physically bulged up from heat after idling too long and the other I dunno I had a few electrical issues and now the battery won't hold charge. I have a feeling the Radical charging system may be overcharging them.
    In dirt bikes they only last 2 years, they die just after the warranty period but I still use them. In the case of the SR3 I saved 10kg with lithiums and aluminium brackets compared to the Odysseys and steel brackets they come with, but then lately they have caused a few DNS's so there's a price paid there

  15. #45
    cunning linguist lickmyleftone's Avatar
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    I am very happy with the Optima D31 I have in the Datsun. $400
    Starts like it's been kicked in the nuts by a mule now.
    The World's Best Pest Control in Brisbane, at PF mates rates, PM me.

    when all else fails, hit it harder.

  16. #46
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    +1 for Optima's . I did try odyssey's some years ago were ok for a while , switched to optima , one mine is 8 yrs old now

  17. #47
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    Arenít the optimas 20+kg?
    I own a two and a half litre Commodore

  18. #48
    Registered User Mr Purple's Avatar
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    Yes. Sorry, thatís my fault for taking this thread off topic.

  19. #49
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    Quote Originally Posted by Ribfeast View Post
    Main thing with lithium batteries is they don't like being floated or overcharged, you'll get permanent damage VERY quickly. They don't like being run too low either..... I think alternators put out a higher voltage than these batteries like.....Batteries don't like heat, I'd recommend relocating to the boot.....They don't like being charged too fast when they are cold either....
    Fuck me, I thought the ex was temperamental....
    I own a two and a half litre Commodore

  20. #50
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    Lithium batteries are not temperamental. Lead acid batteries are by comparison temperamental. It's just that we're conditioned to their kind of temperamental after 100 year or so...

    I put a Lithium SSB ETX20 size bike battery in my car a year ago. Works perfect. This is for the weekender car, which don't get driven most weekends of course. Being only 7 Ah capacity, I have an isolator switch as well, otherwise the alarm system will drain it. But battery weighs 1.4 kg and starts the engine easy as you like (1.8L 4cyl mind you). Only cost $244 delivered to my door off ebay, so only about $100 or so more than a good quality 10 kg AGM battery.

    As mentioned above, don't under or over charge them. Keep volts between 12 and 14 volts and happy days. And that's about all they really care about. Oh, there are more tricks of course if running them as house batteries in an off grid/van/boat situation, but for a car start battery all you need is an isolator and make sure your charge system keeps volts as close to 14V rather than much higher.

  21. #51
    Multi - 21 kabab's Avatar
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    We do the HC20's and Optima's

    https://automotivesuperstore.com.au/fullriver-hc20

    The HC20's are half the size and weight of the smallest Optima's most people use them for race cars etc..

    Biggest issue is just supply it's very hard to get stock of them!

  22. #52
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    Quote Originally Posted by kabab View Post
    We do the HC20's and Optima's

    https://automotivesuperstore.com.au/fullriver-hc20

    The HC20's are half the size and weight of the smallest Optima's most people use them for race cars etc..

    Biggest issue is just supply it's very hard to get stock of them!
    Do they qualify for the free shipping? Iím thinking I might run one for drag racing and adding a second for drag challenge weeks/weekends
    I own a two and a half litre Commodore

  23. #53
    Multi - 21 kabab's Avatar
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    Yeah they are only 7kg they are a small battery!

    Let me know i can do it a bit cheaper for you i just got to check stock..

  24. #54
    Opens ALLMTR's Avatar
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    Pm sent
    I own a two and a half litre Commodore

  25. #55
    cunning linguist lickmyleftone's Avatar
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    Quote Originally Posted by ALLMTR View Post
    Arenít the optimas 20+kg?
    The one I have is 27kg
    The World's Best Pest Control in Brisbane, at PF mates rates, PM me.

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  26. #56
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    Quote Originally Posted by kabab View Post
    Yeah they are only 7kg they are a small battery!

    Let me know i can do it a bit cheaper for you i just got to check stock..
    Oh and your pms are full. Need the white line adjustable upper rear arms for vs as well, thanks
    I own a two and a half litre Commodore

  27. #57
    Multi - 21 kabab's Avatar
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    Quote Originally Posted by ALLMTR View Post
    Oh and your pms are full. Need the white line adjustable upper rear arms for vs as well, thanks
    Fixed

    Do you have the part number you need or can you send me the car details?

  28. #58
    Registered User mad_cow's Avatar
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    Is ASS open today for pickups? Had an order out in for 3 batteries

  29. #59
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    Quote Originally Posted by kabab View Post
    Fixed

    Do you have the part number you need or can you send me the car details?
    https://www.ebay.com.au/itm/Whitelin...6cec%7Ciid%3A1

    Iím happy to buy off eBay, just wasnít sure if shipping with battery would be easier/cheaper
    I own a two and a half litre Commodore

  30. #60
    Multi - 21 kabab's Avatar
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    I'll give you a heaps better price directly

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