... :20A 3.WORK VOLTAGE: 12V,24V AUTO SOLAR INTELLIGENT CONTROLLER TypeBY 20A Rated charging current20A Rated load current20A Work ... 2/24VControl modePWM charge modeMain characteristics:1, the use of intelligent control2, with over charge, over discharge, short circuit, ... all control using industrial grade chip (only on I industrial controller ), in the cold, high temperature, damp environment running ...