Other than that you would not be able to tell them apart until you ran your finger across the surface. NOTE. No sand collected inside and they dried quickly. I?ve heard this is not uncommon, so I can?t recommend this battery. My day one PS4 pro just died 5 mths before ps5 ?? oh well Im not going that long without access to my over 400 games and backcat sounds sketchy on ps5 so I got the latest pro quieter and more power efficient. Excelente artículo, llego antes de lo esperado y ha cargado por completo los controles. So the sizing is probably true to size, that was my own error. Very disappointed in this pair and a waste of hard earned money. Thank you Rage Powersports. 5mm or 6.