VWG2008 charge controller's specification:

Model	VWG2008V2-12v/24v
Rated power	600W
Wind Input Power	500W
PV Input Power	100W
Rated Battery Voltage	12V	24V
over voltage protective voltage	17.5V	35V
Battery over charge protective voltage	14.32V	28.64V
Battery over discharge protective voltage	10.98V	21.97V
Over discharge voltage recovery	12.44V	24.88V
Rated charge current	40A	20A
No load loss	≤40mA
Protection Type	1,Over charged protection; 2.Over discharged protection. 3. Reverse polarity connection protection.  4. PV Panel reverse current protection. 5. Short circuit protection.  6. Thunder and Lighting protection
operation Ambient tempreture	-10℃～50℃
operation Ambient humidity	0～90％
Size(W×H×D)mm	228×133×75mm
Weight(KG)	1.2kg