PulseTech’s SP-10 SolarPulse Battery Charger, Maintainer and Desulfator charges, maintains and desulfates any 12V lead-acid batteries including VRLA, AGM, Gel and flooded cell on outdoor vehicles and equipment, without danger of overcharging or overheating. It’s ideal for charging three to four 12V lead-acid batteries connected in parallel, helping ensure batteries remain in peak condition. Patented Pulse Technology removes sulfate crystals from the battery plate extending battery life up to three times.