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Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community - FT86CLUB (https://www.ft86club.com/forums/index.php)
-   Electronics | Audio | NAV | Infotainment (https://www.ft86club.com/forums/forumdisplay.php?f=27)
-   -   Antigravity Small Case Batterys (https://www.ft86club.com/forums/showthread.php?t=26969)

glamcem 04-13-2014 03:15 PM

Quote:

Originally Posted by fstlane (Post 1669222)
I'm interested to hear as well. Shorai uses prismatic LiFePO4 pouches where as Antigravity uses A123 cylindrical LiFePO4 cells so their composition is different. However, neither use a built in battery management system to prevent overcharging/undercharging so both would be subjected to the same operating conditions. I'm pretty disappointed as I was excited to implement this newer battery technology into this platform but it doesn't appear it's a viable option as a drop in replacement.

Shorai is in my to do list and my car will see many track events this year so I will report back

Gopherboy6956 04-28-2017 05:59 PM

Any update on this @glamcem?

RFB 04-29-2017 12:59 PM

Quote:

Originally Posted by fstlane (Post 1669222)
I'm interested to hear as well. Shorai uses prismatic LiFePO4 pouches where as Antigravity uses A123 cylindrical LiFePO4 cells so their composition is different. However, neither use a built in battery management system to prevent overcharging/undercharging so both would be subjected to the same operating conditions. I'm pretty disappointed as I was excited to implement this newer battery technology into this platform but it doesn't appear it's a viable option as a drop in replacement.

Tracking and D.D'ing my Shorai for several years now, let it go flat a couple of times, the last time it discharged it would not charge up again with the Shorai charger.

However, I charged it with an old crappy tire conventional charger at HIGH for a few minutes, then a conventional charge.

Been working fine and charging with the Shorai charger for the last 2 years.
:D :cheers:

stevesnj 04-29-2017 01:15 PM

1 Attachment(s)
If the battery needs a special charger then I would think the alternator on the car wouldn't maintain the battery the same as a special charger. Do they provide any special regulator or anything between the battery and the alternator feed wire?

Edit* I just saw this new automotive battery with a BMS which is what is needed for cars with an alternator...

glamcem 04-30-2017 03:50 PM

Quote:

Originally Posted by Gopherboy6956 (Post 2900868)
Any update on this @glamcem?

Sorry, I no longer have the car :/ I was planning to get one of these but didn't get a chance to do it


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