The AB-12.100/ST8VA with Charger is a rechargeable lead-acid battery charger designed to power 1A batteries ranging from 7 to 20Ah in capacity. The charger is manufactured by ABASCO and is designed for long-term charging and maintenance of lead-acid batteries. It features heat-resistant connectors and a state-of-the-art protection circuit to ensure optimal battery health and performance. The charger also contains a safety switch that allows you to turn off the charger in the event of an over-current or over-temperature situation, providing additional protection for the user.