Coteks line of 12v and 24v CX chargers include all of the features you expect from a high quality battery charger. Cotek CX chargers are compatible with all common battery types including Lead Acid Li-ion Gel and AGM. Cotek chargers have some of the most advanced safety and technical features out of any battery charger and in our experience Cotek products are extremely high quality with some of the lowest failure rates in the industry.Features. Universal AC input with active PFC. Compatible with Lead Acid Li-ion Gel and AGM batteries. Support optional remote controller CR-1. Optional voltage temperature compensation with battery temp sensor. 2-stage fan speed control. Dry contact for alarm. High efficiency and high reliability. Built-in battery rescue function. Built-in Engine Start Battery ESB output function. Protection – Short Circuit Over Voltage Over Temperature Brown-out. Withstand 2G vibration test. RS-232 communication interface. Output power OK signal. Volts DC – 12VDC. Amps – 25. Voltage Range – 14.4 V. Dimension – 7.2 x 2.83 x 9.58 in.