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Galaxy S10
Garmin Fenix 5
garbonzai: Calcium batteries need to be charged on a calcium rated charger (usually for 24-48 hours), unlike the old lead acid where you just went for a 20min drive and the alternator charged it backup.
All new car batteries have a bit of calcium in them now, lead acid are histroy, my local garage will charge mine (48hrs) for $10.00, or the AA battery will loan you a charger for 24hrs to charge it your shelf (they drop it off and pick it back up) for $20.
So, in a nut shell, yes you need to get it charged or it will let you down or shorten the life of the battery.
Good luck
Galaxy S10
Garmin Fenix 5
jeffnz: He is kind off correct but depends on the age of your car as cars prior to 2000 had alternators that charged max about 114.3 volts and calcium needs 14.8.
What that means is that if your battery gets heavily discharged as in lights left on, your car alternator won't be able to charge it and the old home battery charges won't either.
Although it may seem charged it may only be part charged so would pay to get it checked but $40 is expensive.
Email me with your location and I'll give you a place that you can take it and charge for free, well as long as you are in main centre.
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