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Thread: Lightweight (lithium most likely) battery recs?

  1. #1
    Join Date
    Apr 2008
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    Default Lightweight (lithium most likely) battery recs?

    I'm lazy and tired of looking. Does anyone have any recs for small/lightweight, hopefully lithium batteries that are sub $300?

    I tried to run a Ballistic lithium battery for a couple of years, but it died every year, despite removing it and putting it on their charger off and on over the winter. I went through three of them, replaced under warranty. One failed by developing a big scary 'tumor', the other just died. Not surprised they went out of business. JohnCH ran the same battery and had much better luck with it however.

    I tried to order this battery twice from Jegs. https://www.jegs.com/i/XS-Power/703/LI-S545/10002/-1. It seemed very promising and I was excited to give it a whirl. However, XS Power is apparently a clown show, and they don't seem to be able to deliver batteries on time, if at all. Both times I ordered it, I kept getting updates from Jegs saying the delivery had been delayed, a couple of weeks each time. After two months last summer, I gave up and cancelled the order. When it looked like it was actually stocked by Jegs in late Oct last year I tried ordering it again. Again, delay after delay.

    I finally called XS Power directly since they drop ship for Jegs and was on the receiving end of a very unprofessional and unpleasant ranting from whomever I talked to there. My battery was supposed to have been shipped as of Nov 7th. As of late December they hadn't even made it yet and weren't planning on starting production until mid-January. He got pissed at me because I actually was expecting my battery in a timely manner, not whenever they got around to building it. Meanwhile, my $300+ had been in their hands since late October. I cancelled again immediately after that conversation.

    So, I'm back to square one. Are their any good similar size/weight batteries in this price range that anyone has experience with?

  2. #2
    Join Date
    Feb 2017
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    I run one of these in the Birkin 2.5l Duratec and also to crank the 320 cu in O-320 Lycoming in the airplane. Weighs around 4 lbs.
    https://www.ebay.com/itm/Ballistic-P...4AAOSwQjhdwAHx

    I paid around $150 but prices are going down.

  3. #3
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    Quote Originally Posted by waltermitty View Post
    I run one of these in the Birkin 2.5l Duratec and also to crank the 320 cu in O-320 Lycoming in the airplane. Weighs around 4 lbs.
    https://www.ebay.com/itm/Ballistic-P...4AAOSwQjhdwAHx

    I paid around $150 but prices are going down.
    The battery that I went through three of was a Ballistic Evo II 16. A more square dimension set-up than this one. They are out of business now, hence why the prices have gotten so low. Though, at this price it might be worth the risk again.

  4. #4
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    Dec 2013
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    I run a JMT HJT12 with a high compression Zetec for 3 years now. No problems so far.

  5. #5
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    I'be always had good results with the Odyssey PC680
    Mike
    2010 Caterham CSR with Cosworth 2.3 Duratec
    2018 Caterham 420R with 2L Duratec 210hp at Donington UK
    1975 BMW CSL Group 4 (restoration finished - track set up time)
    1977 Holden Torana "A9X" (awaiting restoration)
    1985 Holden Commodore SS Group A (suspension restoration)
    1985 Holden Commodore Group A (suspension set up)
    1982 Ferrari 400i (radiator replacement)
    1965 Ford Mustang Fastback "Holman Moody"
    1992 Ford Escort RS Cosworth WRC (dyno time)
    1990 Range Rover 2 door Classic
    and another project car coming....

  6. #6
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    Thumbs up

    Quote Originally Posted by Croc View Post
    I'be always had good results with the Odyssey PC680
    +1

  7. #7
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    Croc, I don't think I showed you my Ballistic Evo 2 battery when you were here. It weighs under 3-1/2 pounds and as you can see is tiny, yet it easily starts my car after sitting outside overnight in mid 30F weather.

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    It replaced my PC680 (>11 lb heavier) and worked well for two years, then began showing signs of charge loss after the car had sat for a week or two. A replacement was installed 5 years ago. That battery is still working well, but I'm sure I'll be in the same boat as Supsersportsp in the near-ish future so I'm watching this thread closely.

    Two batteries that have mostly good reviews are the Antigravity and the EarthX. The EarthX is a little more expensive, but from I've read could be worth it. Anyone have experience with either manufacturer? Any good or bad experience with other Lithium brands?

    Thanks,
    John
    '95 Westfield SEiW w/2.0L Duratec
    '68 Lotus Elan FHC
    '91 Miata w/Flyin Miata suspension & brakes
    '95 Porsche 993 C2
    '86 Porsche 944 turbo (neglected project car)
    Throttle Steer

  8. #8
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    John - I had an Evo melt down once on the early days of the current CSR. The Odyssey batteries never have. Killed one once from my own stupidity. Yes they are heavier but still a nice small footprint that you can package easily in a seven's engine bay. Easy to get replacement through Amazon Prime.

    Ouch - Earthx batteries are pricey. I guess the bonuses were good this year in Seattle!
    Mike
    2010 Caterham CSR with Cosworth 2.3 Duratec
    2018 Caterham 420R with 2L Duratec 210hp at Donington UK
    1975 BMW CSL Group 4 (restoration finished - track set up time)
    1977 Holden Torana "A9X" (awaiting restoration)
    1985 Holden Commodore SS Group A (suspension restoration)
    1985 Holden Commodore Group A (suspension set up)
    1982 Ferrari 400i (radiator replacement)
    1965 Ford Mustang Fastback "Holman Moody"
    1992 Ford Escort RS Cosworth WRC (dyno time)
    1990 Range Rover 2 door Classic
    and another project car coming....

  9. #9
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    The EarthX ETX36C is about $240 more than the PC680 (both on Amazon) and 11 lb. lighter. That's less than $22/lb savings which isn't bad compared to some other weight saving areas. Melt down is definitely a concern, but driving a se7en isn't exactly for the risk adverse

    -John
    '95 Westfield SEiW w/2.0L Duratec
    '68 Lotus Elan FHC
    '91 Miata w/Flyin Miata suspension & brakes
    '95 Porsche 993 C2
    '86 Porsche 944 turbo (neglected project car)
    Throttle Steer

  10. #10
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    Jul 2009
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    Arkansas and . . .
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    Quote Originally Posted by supersportsp View Post
    I'm lazy and tired of looking. Does anyone have any recs for small/lightweight, hopefully lithium batteries that are sub $300? . . .
    I was all set to jump in till I got to your price point. I have a Braille ML14C for track use, but itís about the same cost as very nice two-day track event.
    Stalker V8, chassis #85

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