1、12V/24V system automatic recognition function, mini size, easy to install and convenient to use. 2、Independent boost circuit solves the charging efficiency of the low‑power vertical wind generator. 3、The display mode adopts LCD display, which is convenient for showing visible and intuitive parameters. 4、Wind MPPT charging way, make sure power maximum input to battery and high charging efficiency obtained. 5、Be able to use for 300W/500W/600W wind turbines with high compatibility, reliable to use. 1 x Controller1 x Unloading Resistance1 x User Manual Condition: 100% Brand NewItem Type: ControllerMaterial: AluminumType: JW1230, JW2430, JW2450, JW2460, JW2480 (optional) Type JW1230 JW2430 JW2450 JW2460 JW2480 Voltage 12V/24V 12V/24V 12V/24V 12V/24V 12V/24V Photovoltaic Module Power 200W 150W 250W 300W 400W Wind Turbines Power 300W 300W 500W 600W 800W Charging 30A 20A 23A 37.5A 50A Control Mode: Maximum power point tracking-MPPT (charging efficiency is 30% higher than that of PWM ordinary type)Display Mode: LCDOutput State Setting: Full power/half power/divided period and other custom characteristicsProtection Type: Lightning protection; solar battery anti-reverse protection; battery open circuit protection, battery reverse connection protection; over wind speeds and over voltage soft automatic brake protectionUse Altitude: About less than or equal to 5500M (above 2000M need to reduce power use)Product Size: Approx. 16.3 x 12.2 x 6.5 cm / 6.4 x 4.8 x 2.6 inWeight: Approx. 2531g / 89.3oz