reviving a 1.5 years old dead battery

Historical_Ad_6729B to Mechanic Advice@gearhead.townEnglish · 10 months ago

I use my car once every week or other week for 30min drives off course that is bad and damaged my car battery, the question is can I now revive this dead battery ? it failed me today I jumped started it then drove for 30 min and it won’t start again I put it in a battery charger it went from 11 v to 13 v in less than an hour with very low current but after an another hour sitting in my garage the voltage dropped to 12.6 V without even being connected to the car !

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