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Caesium

Member Since: 21 Sep 2021
Location: Essex
Posts: 453

2012 Range Rover Vogue SE 4.4 V8 Santorini Black

Alternator Maximum Output Voltage

Does anyone know what the max output of the alternator should be?

I’ve just installed my 3rd party battery monitor and after startup the alternator is pumping out 15.04v which seems a little high?

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Christian.

Current Cars
2011 Range Rover Vogue SE
2020 BMW M4 Competition
2019 BMW X4

My RR Blog: www.facebook.com/L322Project
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26th Dec 2021 12:40pm

AJGalaxy2012

Member Since: 11 Jun 2018
Location: Gainsborough
Posts: 1464

2012 Range Rover Vogue SE 4.4 V8 Bonatti Grey

It sounds OK to me, 15v can be exceeded if the temperature is low, 15.1v being the absorption voltage at 0 degC. This is where a lot of people get it wrong when fitting an AGM in place of a standard Lead Acid battery, 'It works perfectly' yes it does but never charges fully !

Have a look https://workshoppist.com/agm-battery-charging-voltages/ BMW i3 Electric Car
2012 Full Fat RR 4.4 TDV8 (now gone)
2006 VW Touareg 3.0 TDi V6

26th Dec 2021 7:37pm

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