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Bergos



Member Since: 08 Aug 2015
Location: Somewhere in Portugal
Posts: 95

Portugal 2007 Defender 110 Puma 2.4 HT Keswick Green
Normal battery drain while parked
What is the normal battery drain while a Puma is parked?
I am receiving 0.03-0.06 Ampers. Is that expected? Charging a mobile phone increses the power consumption to 0.18-0.2A. Bergos

LR Defender 110 HT 2007 (2.4 Puma)
https://www.facebook.com/LR.Wanderlust/
Post #715692 2nd Jul 2018 5:26pm
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custom90



Member Since: 21 Jan 2010
Location: South West, England.
Posts: 20480

United Kingdom 
Mines at 18 - 26mA so you figures seem pretty normal. Thumbs Up
Bear in mind there are lots of variables, such as temperature and on off draw such as a tracker etc.
200 - 300mA such as a relay coil can flatten a battery pretty quickly, after about 24 - 36hrs at a guesstimate No Guts, No Glory.
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Post #715712 2nd Jul 2018 7:11pm
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Cupboard



Member Since: 21 Mar 2014
Location: Suffolk
Posts: 2971

United Kingdom 2011 Defender 110 Puma 2.4 HT Corris Grey
My Ultragauge takes 35mA and everything else takes an additional 5mA for a total of 40mA. The split might be a little off but that's roughly correct. I haven't measured with the alarm on. My tracker is running from my second battery and I don't know how much that takes.

As for how long it will take to drain the battery, I was away in November for 3 weeks and it fired up first time at less than zero on a 7 year old battery. A couple of winters prior to that I left it for 2 weeks with the same plus the tracker and it was fine.

Doing the maths, my Defender seems happy cold starting once I've drained something like 20Ah out of the battery. I don't know I'd want to go much below that but allegedly cranking amps don't fall off too much until you get to about 40-50% depth of discharge.

A load of 200mA would still give you 4 days or more.
Post #715718 2nd Jul 2018 7:33pm
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