Who has the smallest battery?

[alangbaker]

I'm just curious at the moment. My RF98 has an Odyssey battery and it's working fine, but if you wanted to switch...

...how small a lithium battery could you get away with?

Obviously, with an alternator charging the battery when the car is running, you don't need much in the way of Amp-hours, but how low could you go with cranking power?

What's the smallest battery anyone here has used—successfully, mind!—for a Honda-powered Formula F.

[david oleary]

I'm just curious at the moment. My RF98 has an Odyssey battery and it's working fine, but if you wanted to switch...

...how small a lithium battery could you get away with?

Obviously, with an alternator charging the battery when the car is running, you don't need much in the way of Amp-hours, but how low could you go with cranking power?

What's the smallest battery anyone here has used—successfully, mind!—for a Honda-powered Formula F.

I have used the Briella B106 in my WEST DSR- SWIFT DB1 (Honda) MYGALE FB and P2 Summit racing $149.00

[alangbaker]

I have used the Braille [at least, I think you meant "Braille"] B106 in my WEST DSR- SWIFT DB1 (Honda) MYGALE FB and P2 Summit racing $149.00

Nice. Ever had any problem with cranking power?

And does anyone know how to relate Pulse Cranking Amps (PCA) and Cold Cranking Amps (CCA)?

[romoman]

I have an AntiGravity ATX 20 https://antigravitybatteries.com/pro...-oem/atx20-rs/ in a Porsche race car. Less than 4 lbs, 680 cranking amps, and 6.89 x 3.4 x 5.12 . You could probably get away with a ATX12 that is 3 lbs and a little smaller.

[recaryob]

I second the lithium antigravity ATX20 or similar. i am on my third one, but only because i’m on my third car. it’s one of the first mods I plan for, because I weigh over 200#. Approximately 4 lbs, completely compatible in a total loss system. I never use a jumper, can run 2-3 sessions without charging. excellent cranking power. in a total loss system you have to opt for the largest lithium battery to get enough amp hours (lithium amp hours are a different measure than lead acid amp hours, you can google it). on a honda with an alternator you can most likely get by with an even smaller antigravity battery 2.5-3lbs. have been nothing but pleased with their batteries.

[david oleary]

I never had any issues with the Brialla B106 all specs are on line
I think the Pulse Amp are 550 and CCA is 225.
I install them when I built the cars and never replaced them for 4-5
seasons

[OneWayOut]

I never had any issues with the Brialla B106

If this is the case, you could shave 3 more pounds with the ML9C. Bit more expensive, of course.
https://braillebattery.com/collectio...roducts/ml9c-1