Which one did you order? I didn't easily find a supra specific battery on the site. Did you just order a Z4 battery?Hey I bought mine from Power Tex. Ours usually last about 3 years down here in FL. I’m hoping this one will be longer. My OEM one is still going. It’s only a year & ½ old. But I never like to search for consumable parts on a pinch. Hence another thread that talks about these
https://powertexbatteries.com
https://www.supramkv.com/threads/lightweight-battery-alternative.17049/page-6Which one did you order? I didn't easily find a supra specific battery on the site. Did you just order a Z4 battery?