Batteries, Duracell vs. MK?

[AAA_5104]

Our team is buying new batteries for comps, and are considering different batteries. We have been using MK batteries, but have seen Duracell batteries being used by other teams. Does anyone know if there is any quantitative data preferring one over the other in terms of usage? Thanks so much!

[usbcd36]

Battery Brands

Team 2619 has done something close to this and published their testing data in a whitepaper in 2018 (See page 20). Their conclusion was that Duracell branded batteries seemed to be the best at the time.

Battery Brands

Anecdotally, all of the batteries seem to have gotten worse since ~2017. Earlier this year, I set up a battery analysis rig with my big electronic load (0-600A) and collected some data on two of our Interstates (one of which had failed), four new PowerSonics, one or two of our MKs, and one Duracell. This was mostly for my own curiosity, and my process evolved during the testing. I purchased and tested the Duracell to see if it was significantly better, but I need a bigger sample size. My mai…

[marshall]

Use the ones you can get.

[AAA_5104]

Alright, thank you soo much for this info. unfortunantly, i probably cant help cant help with the “decent methodology” and “battery modle”, but if i find anything, i will let you know, thanks again

[AAA_5104]

for our team, we are available to get either batteries, and were just wondering if there’s a significant difference, as well as the fact that a majority of our MK batteries have been reliably failing us.