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Off-topic chat, Help, Advice, General motoring issues / Re: Qashqai battery woes?
« on: 17 May 2024, 09:53:00 PM »I'm intrigued to know how anyone could know it had been as low as 5.5v, unless that is what it read when the AA man arrived
A fully charged battery should be 12.7 volts (disconnected, as especially on modern cars, without a proper ignition switch, circuits can become live from just opening the doors)
A "flat" battery is ~ 12.1 volts, but as I have found, the NG starts fine when the battery shows an indicated 12.15v. It's those live circuits
I have replaced the battery on the TTiD. Voltage seemed fine, but the cold cranking amp test showed it was on the weak side. The car now starts better & I have another emergency battery that is too good to weigh in, but not really reliable enough for going away on long journeys with
5.5V was what the AA guy said when he first checked it before using the booster to start the car.