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supereal · 01-07-2020, 04:03 PM

We use the Battery Tender all winter. It keeps our Optima batteries ready for the next drive. Most of our Optimas last years with no problems. Glass Mat batteries require low charging rates to prevent damage.

01-07-2020, 04:03 PM	#13
supereal Senior Member Join Date: Jul 2014 Location: Iowa Posts: 1,634	Re: Optima 6V battery charge We use the Battery Tender all winter. It keeps our Optima batteries ready for the next drive. Most of our Optimas last years with no problems. Glass Mat batteries require low charging rates to prevent damage.