10A PWM Solar Charge Controller from Newpowa. Capable of supporting 12V and 24V Systems. Can handle up to 170/340W at 12V and 24V. Smart 3 Stage charging (Boost, Equalization, and Float). $17.96 with Free Shipping on Domestic Orders (48 States). The warranty lasts for one (1) year from the date of the original purchase of this product. Get Yours Today!