Rectifier for charging 12/24V batteries. Specifications: Purpose: Charging lead-acid, lithium iron phosphate, AGM, calcium batteries Power supply: AC 100-240V 50/60Hz Output voltage: 12/24V No-load output voltage: 29.6V Initial minimum voltage: >7V Maximum power under load.: 150W power no load: 4W max. charging current: 12V: 12A / 24V: 6A air cooling battery charge level indicator voltage and charging current indicator ambient temperature sensor (if temperature. drops below 10°C.The rectifier increases the charging voltage if the temperature. will rise above 28°C.The rectifier reduces the charging voltage) signaling poor battery connection/contact contamination/battery damage length. power cable: approx. 140 cm length. wires with terminals: ok. 90cm device dimensions: 185x118x70mm The charging process, depending on the selected mode, can occur in a 7-step cycle. It ensures the safety and durability of the battery.