As title says how do I tests lesuer battery's
Wildbill
Wildbill
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So one volt drop is not a problem over 6 hrs I have just checked them five min ago and no ChangTechnically Bill you should get the same voltage reading on both batteries unless you have disconnected them, that is one problem with multi batteries, one dies they all appear to
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Will do that tomorow that have Ben fine it just with me fitting new soler panel thought I would check them outBill, the voltage test under zero load conditions is not a definitive test. It is indicative only. Testing batteries under zero load doesn't give you the full picture
The best bet is to try to put a load on each battery in turn, say internal lights or better still a 12v kettle, test before and after, and see how voltage drops immediately the water has boiled, then watch to see each battery recover a little. If they recover at least a bit within (say) 5 minutes, then that tells you the battery is functioning well. If not, then perhaps worth speaking with a friendly garage to test them on one of their dedicated load testers
Edit: Halfords offer a cheap tester for around £14 - last you a lifetime. It puts the battery under a small load (350 ohms), so it gives a better indication of battery condition than a standard multimeter
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That should be a smily happy on as soler is king I fitted them with no problem now just adding to themeFair enough mate. Good luck with it, my turn with solar panels soon
Sealed battery Jon but I could use that on the starter batteryChecking specific gravity against indicated cell voltage is a good guide to a battery's health.