Opened but not used. The Renogy 60A 12V DC to DC On-Board Battery Charger • Compatible with AGM, Flooded, Gel, and Lithium batteries. • 3-stage charging ensures a 100% full battery charge. • Numerous safety protections. • Smart 3-stage charging: bulk, boost, and float. • Protects your starter battery. I brought this new but have not used it. It is past it’s return date now.
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