wind charge controller's specification:

Model	VWG2008V4-12/24v
Rated power	600W (Wind: 500-600W;  PV;100-200W)
Rated Battery Voltage	12V/24V (automatic voltage detection)
Wind turbine automatically braking voltage	17.5V/32.5V (DC voltage after rectification)
Battery over charge protective voltage	14.4V
Battery over discharge protective voltage	10.98V/21.97V (default, adjustable)
Over discharge voltage recovery	12.44V/28.88V (default, adjustable)
Rated charge current	42A/21A
Recovery time after the automatic braking	10 Seconds (default, adjustable)
No load loss	≤45mA
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	284×181×76mm
Weight(KG)	1.6kg