1 month I wouldn't wait; you gain 1 month life on the new battery.
Now if you tell me that in 1 year you are still under the mileage and age to file a claim and your actual range is enough; I personally would wait more to the end of warranty.
JeroenE wrote:The garage wouldn't replace it under warranty because I didn't use the Kia granny charger.
gday wrote:Thanks Oinq, but I have already ordered the Konnwei 902 that was recommended. However it is nice to see some proof that others work and since I am a "digital and electronic tinkerer" I may well buy others later.