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BQ34110: Use bq34110 for detect Lead-Acid battery, health and capacity remaining

Part Number: BQ34110

Hi team,

I would like to use bq34110 in my system side to detect the health status and capacity remaining of the plug-in Lead-Acid battery. 

The system only powered by the battery set which are two 12V Lead-Acid battery in parallel. This system do not charge the battery set, once run out of battery, user just need to replace a charged battery set. So the battery set is replaceable for this system.  

The system need to report to user if the battery set is too old for using (internal resistance measurement?) and user know they need to replace a new one. 

Could you provide the detail on how to implement this function? Thanks!

Regards,

Alex