The ENC-240 Series of chargers from MEAN WELL are designed for use with lead-acid batteries and Li-ion batteries (lithium-ion and lithium-manganese). These chargers feature a built-in 3-step programmable charging curve and universal AC input for maximum convenience. Additionally, the ENC-240 Series have a built-in active PFC function and fanless design for quiet operation. Finally, these chargers also include a built-in temperature compensation function and protection against short circuit, over voltage, over temperature, battery under voltage, battery over voltage, and battery reverse polarity.