The solar panels used to keep the batteries charged for my two electric rod iron gates were stolen. Will this solar panel trickle charge the batteries for my gates, efficiently and effectively?

Tech Specs:

Dimensions:

[5] 14 x 13.3 x 0.6in (38 x 34 x 2cm); [1.8] 14 x 5 x 0.6 (38 x 13 x 2cm) 

Power Output:

5 or 1.8 Watts (see options) 

Weight:

[5] 3lb 5oz (1502g); [1.8] 15.8oz (448g) 

Recommended Use:

RV, home, boat, car 

Manufacturer Warranty:

1 Year