I have 12 of these going on 2 years no Problems at all runing my of grid homestead
these are amassing ! make shure you have platy of solar and wind coming in ,I have 45 hundred watts of solar and 4 K of wind wen the wind is blowing at 6 miles per hour wen its stormy my wind out surpasses my solar well wen it`s stormy der`s not much sun but my paneles stile produce plenty of power even on overcast days  well lets get back to the point in hand You will not make a mistake purchasing these Batteries!
Rating: 5 stars