Honda CR-V - 6 yr old Honda CRV has the flat battery fault - Railroad.
Flat batteries are caused by one of three things.
1. Battery unserviceable. Reached the end of its useful life.
2. A fault with the charging system.
3. Something not switching off when it should, causing the battery to drain over a period of time.
Honda CR-V - 6 yr old Honda CRV has the flat battery fault - Peter.N.
If you can jump start the engine connect a voltmeter across the battery, it should read about 14.4 volts with the engine running, if it does chances are the battery is u/s if it reads much less it will be the alternator.
![2017 Honda CR-V 1.6 i-DTEC 160 SE Plus 5dr Auto [Nav]](http://images.honestjohn.co.uk/imagecache/url/crop/90x60/https/cdn.uk.prod.group-mobility-trader.com/images/cas/f3d8590ac578f08f4ae659e8cad34bb0/edef3516711af5d3d63ad401caed7937.jpg)
