I'm reading that a good fully charged battery should be at 12.3 V resting. My battery has been sitting on a smart charger and maintainer and says 12V only and the charger
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VMAX BC8S1215A 12 Volt 15 Amp 8-Stage Microprocessor Controlled Smart Battery Charger/Maintainer Compatible with AGM Gel SLA FLA Marine, Automotive, Solar 12V Batteries - Walmart.com
Duracell 4A Battery Charger and Maintainer for 6V, 12V, SLA, AGM and Gel Batteries, Auto Voltage Detection at Tractor Supply Co.
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Renogy Deep Cycle Hybrid Gel Battery 12-Volt 200Ah Safe Charge Home Appliances for RV, Off-Grid Solar System, Maintenance-Free RBT200GEL12-G1 - The Home Depot
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