banjo Posted June 24, 2010 Report Posted June 24, 2010 Hi guys havn't been here for a while,probably due to the reliability of the old gal.I was given a cool box for the car recently and wondered if it was for use when travelling only,or can it be used for longer periods e.g a weekend fishing trip :rolleyes: when obviously the gal will be switched off and stationary,or will it drain the battery.does it even work when the engine is switched off?cheers guys. Quote
Willie Krashitt Posted June 26, 2010 Report Posted June 26, 2010 I have a Waeco coolbox and this, as will most coolboxes, will flatten a battery over a weekend, especially if it is hot. Get yourself a battery minder that goes between the power socket and the coolbox (most of the camping shops sell them, as do lots of car accessory type shops) and this will cut the power to the coolbox when the voltage drops below about 11.5V, and will only switch on again when a voltage over 12.5V is seen.This will leave you enough power to restart the engine when you return to the car. George. Quote
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